Panasonic U-200PE1E8 User manual
85464369404010
INSTALLATION INSTRUCTIONS – DC INVERTER Air Conditioner –
for Refrigerant R410A
INSTRUCTIONS D’INSTALLATION – Climatiseur Réversible DC INVERTER –
pour réfrigérant R410A
EINBAUANLEITUNG – DC INVERTER-Klimaanlage –
für Kühlmittel R410A
ISTRUZIONI DI INSTALLAZIONE – Condizionatore d’aria DC INVERTER –
para Refrigerante R410A
INSTRUÇÕES DE INSTALAÇÃO –
Sistema de Ar Condicionado com INVERSOR CC
–
para Refrigerante R410A
ΟΔΗΓΙΕΣ ΕΓΚΑΤΑΣΤΑΣΗΣ – Κλιματιστικό Σύστημα DC INVERTER –
για το Ψυκτικό μέσο R410A
INSTRUCCIONES DE INSTALACIÓN
– Acondicionador de aire DC INVERTER –
para refrigerante R410A
Heat Pump Unit (3-phase)
Unité pompe à chaleur (Triphasée)
Wärmepumpeneinheit (dreiphasig)
Unità pompa di calore (Trifase)
Unidade de bomba de calor (Trifásica)
Μονάδα Αντλίας Θερμότητας (Τριφασική)
Unidad de bomba de calor (Trifásica)
Outdoor Units
U-200PE1E8, U-250PE1E8
Unités extérieures
U-200PE1E8, U-250PE1E8
Außeneinheiten
U-200PE1E8, U-250PE1E8
Unità esterne
U-200PE1E8, U-250PE1E8
Unidades exteriores
U-200PE1E8, U-250PE1E8
Εξωτερικές Μονάδες
U-200PE1E8, U-250PE1E8
Unidades exteriores
U-200PE1E8, U-250PE1E8
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– DC INVERTER Air Conditioner –
■ R410A Models
Model No.
Indoor Units
Indoor Unit Type 70 90
E1 High Static
Pressure Ducted
S-200PE1E8 S-250PE1E8
Outdoor Units
Heat Pump Unit
(3-phase) U-200PE1E8, U-250PE1E8
* Refrigerant R410A is used in the outdoor units.
for Refrigerant R410A
INSTALLATION INSTRUCTIONS
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IMPORTANT!
Please Read Before Starting
This air conditioning system meets strict safety and
operating standards. As the installer or service person,
it is an important part of your job to install or service the
system so it operates safely and efficiently.
For safe installation and trouble-free operation, you must:
●Carefully read this instruction booklet before beginning.
●Follow each installation or repair step exactly as shown.
●Observe all local, state, and national electrical codes.
●This product is intended for professional use.
Permission from the power supplier is required when
installing the 8 – 10 Type outdoor unit that is connected
to a 16 A distribution network.
●If this equipment has been installed in a residential
area and any problems caused by high harmonic waves
occurred, attach a recommended harmonic filter to the
equipment. For details about a suitable harmonic filter,
please contact your sales distributors.
●Pay close attention to all warning and caution notices
given in this manual.
WARNING
This symbol refers to a hazard or unsafe
practice which can result in severe person-
al injury or death.
CAUTION
This symbol refers to a hazard or unsafe
practice which can result in personal injury
or product or property damage.
If Necessary, Get Help
These instructions are all you need for most installation
sites and maintenance conditions. If you require help for a
special problem, contact our sales/service outlet or your
certified dealer for additional instructions.
In Case of Improper Installation
The manufacturer shall in no way be responsible for
improper installation or maintenance service, including
failure to follow the instructions in this document.
SPECIAL PRECAUTIONS
WARNING When Wiring
ELECTRICAL SHOCK CAN CAUSE
SEVERE PERSONAL INJURY OR DEATH.
ONLY A QUALIFIED, EXPERIENCED
ELECTRICIAN SHOULD ATTEMPT TO
WIRE THIS SYSTEM.
• Do not supply power to the unit until all wiring and tubing
are completed or reconnected and checked.
• Highly dangerous electrical voltages are used in this
system. Carefully refer to the wiring diagram and these
instructions when wiring. Improper connections and
inadequate grounding can cause accidental injury or
death.
• Ground the unit following local electrical codes.
• Connect all wiring tightly. Loose wiring may cause
overheating at connection points and a possible fire
hazard.
•Provide a power outlet to be used exclusively for each
unit, and a power supply disconnect, circuit breaker and
earth leakage breaker for overcurrent protection should
be provided in the exclusive line.
• Provide a power outlet exclusively for each unit, and
full disconnection means having a contact separation
in all poles must be incorporated in the fixed wiring in
accordance with the wiring rules.
•To prevent possible hazards from insulation failure,
the unit must be grounded.
When Transporting
Be careful when picking up and moving the indoor and
outdoor units. Get a partner to help, and bend your knees
when lifting to reduce strain on your back. Sharp edges
or thin aluminum fins on the air conditioner can cut your
fingers.
When Installing…
…In a Room
Properly insulate any tubing run inside a room to prevent
“sweating” that can cause dripping and water damage to
walls and floors.
…In Moist or Uneven Locations
Use a raised concrete pad or concrete blocks to provide
a solid, level foundation for the outdoor unit. This prevents
water damage and abnormal vibration.
…In an Area with High Winds
Securely anchor the outdoor unit down with bolts and a
metal frame. Provide a suitable air baffle.
…In a Snowy Area (for Heat Pump-type Systems)
Install the outdoor unit on a raised platform that is higher
than drifting snow. Provide snow vents.
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When Connecting Refrigerant Tubing
WARNING
•
When performing piping work do not
mix air except for specifIed refrigerant
(R410A) in refrigeration cycle. It
causes capacity down, and risk of
explosion and injury due to high
tension inside the refrigerant cycle.
• Refrigerant gas leakage may cause
fire.
• Ventilate the room well, in the event that is refrigerant
gas leaks during the installation. Be careful not to allow
contact of the refrigerant gas with a flame as this will
cause the generation of poisonous gas.
• Keep all tubing runs as short as possible.
• Use the flare method for connecting tubing.
• Apply refrigerant lubricant to the matching surfaces of
the flare and union tubes before connecting them, then
tighten the nut with a torque wrench for a leak-free
connection.
• Check carefully for leaks before starting the test run.
• Do not leak refrigerant while piping work for an
installation or re-installation, and while repairing
refrigeration parts. Handle liquid refrigerant carefully as
it may cause frostbite.
When Servicing
• Turn the power OFF at the main power box (mains)
before opening the unit to check or repair electrical
parts and wiring.
• Keep your fingers and clothing away from any moving
parts.
• Clean up the site after you finish, remembering to
check that no metal scraps or bits of wiring have been
left inside the unit being serviced.
WARNING
• Do not clean inside the indoor and
outdoor units by users. Engage
authorized dealer or specialist for
cleaning.
• In case of malfunction of this
appliance, do not repair by yourself.
Contact the sales dealer or service
dealer for repair.
CAUTION
• Do not touch the air inlet or the sharp
aluminum fins of the outdoor unit.You
may get hurt.
•
Ventilate any enclosed areas when
installing or testing the refrigeration
system. Escaped refrigerant gas, on
contact with fire or heat, can produce
dangerously toxic gas.
•
Confirm after installation that no
refrigerant gas is leaking. If the gas
comes in contact with a burning stove,
gas water heater, electric room heater
or other heat source, it can cause the
generation of poisonous gas.
Others
CAUTION
• Do not touch the air inlet or
the sharp aluminum fins of the
outdoor unit.You may hurt.
• Do not sit or step on the unit,
you may fall down accidentally.
• Do not stick any object into
the FAN CASE.
You may be injured and the
unit may be damaged.
NOTICE
The English text is the original instructions. Other
languages are translations of the original instructions.
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2. The standards for minimum room volume are as follows.
(1) No partition (shaded portion)
(2) When there is an effective opening with the adjacent room
for ventilation of leaking refrigerant gas (opening without
a door, or an opening 0.15% or larger than the respective
floor spaces at the top or bottom of the door).
(3) If an indoor unit is installed in each partitioned room and
the refrigerant tubing is interconnected, the smallest room
of course becomes the object. But when mechanical
ventilation is installed interlocked with a gas leakage
detector in the smallest room where the density limit is
exceeded, the volume of the next smallest room becomes
the object.
3. The minimum indoor floor space compared with the
amount of refrigerant is roughly as follows: (When the
ceiling is 2.7 m high)
40.5
54.0
27.0
13.5
0.0 20100 3040 6070809010050
67.5
81.0
94.5
108.0
121.5
135.0
148.5
162.0
175.5
189.0
202.5
216.0
229.5
243.0
256.0
270.0
m2m3
15
10
5
0
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
105
110
115
120
125
283.5
297.0
310.5
324.0
337.5
kg
Check of Density Limit
The room in which the air conditioner is to be installed
requires a design that in the event of refrigerant gas
leaking out, its density will not exceed a set limit.
The refrigerant (R410A), which is used in the air conditioner,
is safe, without the toxicity or combustibility of ammonia, and
is not restricted by laws imposed to protect the ozone layer.
However, since it contains more than air, it poses the risk of
suffocation if its density should rise excessively. Suffocation
from leakage of refrigerant is almost non-existent. With the
recent increase in the number of high density buildings,
however, the installation of multi air conditioner systems is
on the increase because of the need for effective use of floor
space, individual control, and energy conservation by curtailing
heat and carrying power, etc.
Most importantly, the multi air conditioner system is able
to replenish a large amount of refrigerant compared to
conventional individual air conditioners. If a single unit of the
multi air conditioner system is to be installed in a small room,
select a suitable model and installation procedure so that if the
refrigerant accidentally leaks out, its density does not reach the
limit (and in the event of an emergency, measures can be made
before injury can occur).
In a room where the density may exceed the limit, create an
opening with adjacent rooms, or install mechanical ventilation
combined with a gas leak detection device. The density is as
given below.
Total amount of refrigerant (kg)
Min. volume of the indoor unit installed room (m3)
< Density limit (kg/m3)
The density limit of refrigerant which is used in multi air
conditioners is 0.3 kg/m3(ISO 5149).
NOTE
1. If there are 2 or more refrigerating systems in a single
refrigerating device, the amount of refrigerant should be as
charged in each independent device.
For the amount of charge in this example:
The possible amount of leaked refrigerant gas in rooms A,
B and C is 10 kg.
The possible amount of leaked refrigerant gas in rooms D,
E and F is 15 kg.
e.g., charged
amount (10 kg)
Indoor unit
Outdoor unit
e.g., charged
amount (15 kg)
Room A Room B Room C Room D Room E Room F
Outdoor unit
Refrigerant tubing
Indoor unit
Mechanical ventilation device – Gas leak detector
Refrigerant tubing
Outdoor unit
Indoor unit
Very
small
room
Small
room Medium
room
Large room
Range below the
density limit of
0.3 kg/m³
(Countermeasures
not needed)
Range above the
density limit of 0.3
kg/m³
(Countermeasures
needed)
Total amount of refrigerant
Min. indoor volume
Min. indoor floor area
(when the ceiling is 2.7 m high)
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Precautions for Installation Using New
Refrigerant
1. Care regarding tubing
1-1. Process tubing
●Material: Use C1220 phosphorous deoxidized copper
specified in JIS H3300 “Copper and Copper Alloy Seamless
Pipes and Tubes”.
●Tubing size: Be sure to use the sizes indicated in the
table below.
●Use a tube cutter when cutting the tubing, and be sure to
remove any flash. This also applies to distribution joints
(optional).
●When bending tubing ø15.88 or smaller, use a bending
radius that is 4 times the outer diameter of the tubing or
larger.
CAUTION
Use sufficient care in handling the tubing. Seal the tubing
ends with caps or tape to prevent dirt, moisture, or other
foreign substances from entering.These substances can
result in system malfunction.
Unit: mm
Material O
Copper tube Outer diameter 6.35 9.52 12.7 15.88
Wall thickness 0.8 0.8 0.8 1.0
Material 1/2 H, H
Copper tube Outer diameter 19.05 22.22 25.4 28.58
Wall thickness 1.0 1.0 1.0 1.0
1-2. Prevent impurities including water, dust and oxide from
entering the tubing. Impurities can cause R410A refrigerant
deterioration and compressor defects. Due to the features
of the refrigerant and refrigerating machine oil, the
prevention of water and other impurities becomes more
important than ever.
2. Be sure to recharge the refrigerant only in liquid form.
2-1. Since R410A is a non-azeotrope, recharging the refrigerant
in gas form can lower performance and cause defects of
the unit.
2-2. Since refrigerant composition changes and performance
decreases when gas leaks, collect the remaining
refrigerant and recharge the required total amount of new
refrigerant after fixing the leak.
3. Different tools required
3-1. Tool specifications have been changed due to the
characteristics of R410A.
Some tools for R22- and R407C-type refrigerant systems
cannot be used.
Item New
tool?
R407C
tools
compatible
with
R410A?
Remarks
Manifold
gauge
Yes No Types of refrigerant,
refrigerating machine oil,
and pressure gauge are
different.
Charge
hose
Yes No To resist higher pressure,
material must be changed.
Vacuum
pump
Yes Yes Use a conventional vacuum
pump if it is equipped with
a check valve. If it has no
check valve, purchase and
attach a vacuum pump
adapter.
Leak
detector
Yes No Leak detectors for CFC
and HCFC that react to
chlorine do not function
because R410A contains
no chlorine. Leak detectors
for HFC134a can be used
for R410A.
Flaring oil Yes No For systems that use R22,
apply mineral oil (Suniso
oil) to the flare nuts on the
tubing to prevent refrigerant
leakage. For machines
that use R407C or R410A,
apply synthetic oil (ether
oil) to the flare nuts.
* Using tools for R22 and R407C and new tools for R410A
together can cause defects.
3-2. Use R410A exclusive cylinder only.
Single-outlet valve
(with siphon tube)
Liquid refrigerant should be
recharged with the cylinder
standing on end as shown.
Manifold gauge Vacuum pump
Outlet
Inlet
Valve
Liquid
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IMPORTANT . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Please Read Before Starting
Check of Density Limit
Precautions for Installation Using New Refrigerant
1. GENERAL. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
1-1. Tools Required for Installation (not supplied)
1-2. Accessories Supplied with Unit
1-3. Type of Copper Tube and Insulation Material
1-4. Additional Materials Required for Installation
1-5. Tubing Size
2. SELECTING THE INSTALLATION SITE . . . . . . . . . . . . . . 8
2-1. Outdoor Unit
2-2. Air Discharge Chamber for Top Discharge
2-3. Installing the Unit in Heavy Snow Areas
2-4. Precautions for Installation in Heavy Snow Areas
2-5. Dimensions of Snow / Wind-proof Ducting and
Refrigerant Tubing Space for Installation
3. HOWTO INSTALL THE INDOOR UNIT . . . . . . . . . . . . . . 10
■High Static Pressure Ducted Type (E1 Type). . . . . . . . . . . 10
3-1. Required Minimum Space for Installation and Service
(8, 10 Types)
3-2. Suspending the Indoor Unit
3-3. Installing the Refrigerant Tubing
3-4. Installing the Drain Pipe
4. HOWTO INSTALL THE OUTDOOR UNIT . . . . . . . . . . . . 12
4-1. Installing the Outdoor Unit
4-2. Drainage Work
4-3. Routing the Tubing and Wiring
5. ELECTRICAL WIRING . . . . . . . . . . . . . . . . . . . . . . . . . . . 13
5-1. General Precautions on Wiring
5-2. Recommended Wire Length and Wire
Diameter for Power Supply System
5-3. Wiring System Diagrams
6. HOW TO INSTALL THE TIMER REMOTE CONTROLLER
(OPTIONAL PART) . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 15
NOTE
Refer to the Instruction Manual attached to the optional
Timer Remote Control Unit.
7. HOWTO PROCESS TUBING . . . . . . . . . . . . . . . . . . . . . 15
7-1. Connecting the Refrigerant Tubing
7-2. Connecting Tubing Between Indoor and
Outdoor Units
7-3. Insulating the Refrigerant Tubing
7-4. Taping the Tubes
7-5. Finishing the Installation
8. LEAK TEST, EVACUATION AND ADDITIONAL
REFRIGERANT CHARGE . . . . . . . . . . . . . . . . . . . . . . . . 19
■Air Purging with a Vacuum Pump (for Test Run)
Preparation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
8-1. Leak Test
8-2. Evacuation
8-3. Charging Additional Refrigerant
8-4. Finishing the Job
9. TEST RUN. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
9-1. Preparing for Test Run
■E1 Type . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 21
9-2. Caution
9-3. Test Run Procedure
9-4. Items to Check Before the Test Run
9-5. Test Run Using the Remote Controller
9-6. Precautions
9-7. Table of Self-Diagnostic Functions and
Corrections (E1 Type)
9-8. System Control
9-9. Test Run Procedure
9-10. Items to Check Before the Test Run
9-11. Preparation for Test Run
9-12. Test Run
9-13. Precautions
9-14. Table of Self-Diagnostic Functions and Corrections
9-15. System Control
■E1 Type (for Link Wiring) . . . . . . . . . . . . . . . . . . . . . . . . . . 32
9-16. Caution
9-17. Test Run Procedure
9-18. Items to Check Before the Test Run
9-19. Test Run Using the Remote Controller
9-20. Table of Self-Diagnostic Functions and
Corrections (E1 Type)
9-21. Automatic Address Setting
9-22. Automatic Address Setting
9-23. Caution for Pump Down
10. HOWTO INSTALL WIRELESS REMOTE
CONTROLLER RECEIVER . . . . . . . . . . . . . . . . . . . . . . . 40
NOTE
Refer to the Instruction Manual attached to the optional
Wireless Remote Controller Receiver.
11. MARKINGS FOR DIRECTIVE
97/23/EC (PED). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
12. APPENDIX . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 40
CONTENTS
Page Page
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1. GENERAL
This booklet briefly outlines where and how to install the
air conditioning system. Please read over the entire set of
instructions for the indoor and outdoor units and make sure all
accessory parts listed are with the system before beginning.
1-1. Tools Required for Installation (not supplied)
1. Flathead screwdriver
2. Phillips head screwdriver
3. Knife or wire stripper
4. Tape measure
5. Carpenter’s level
6. Sabre saw or key hole saw
7. Hacksaw
8. Core bits
9. Hammer
10. Drill
11. Tube cutter
12. Tube flaring tool
13. Torque wrench
14. Adjustable wrench
15. Reamer (for deburring)
1-2. Accessories Supplied with Unit
See Table 1-1.
Table Type
1-1 High Static Pressure Ducted E1 Type
1-3. Type of Copper Tube and Insulation Material
If you wish to purchase these materials separately from a local
source, you will need:
1. Deoxidized annealed copper tube for refrigerant tubing.
2. Foamed polyethylene insulation for copper tubes as
required to precise length of tubing. Wall thickness of the
insulation should be not less than 8 mm.
3. Use insulated copper wire for field wiring. Wire size varies
with the total length of wiring. Refer to 5. ELECTRICAL
WIRING for details.
CAUTION
Check local electrical codes and regulations before
obtaining wire. Also, check any specified instructions or
limitations.
1-4. Additional Materials Required for Installation
1. Refrigeration (armored) tape
2. Insulated staples or clamps for connecting wire (See your
local codes.)
3. Putty
4. Refrigeration tubing lubricant
5. Clamps or saddles to secure refrigerant tubing
6. Scale for weighing
Table 1-1 (High Static Pressure Ducted E1 Type)
Part Name Figure Q’ty Remarks
Special washer 8For suspending indoor
unit from ceiling
Flare insulator 2For gas and liquid
tubes
Drain socket 1For drain pipe
connection
Tube
connector
8
type 1For decreasing size
of liquid tube from
ø12.7 to ø9.52 mm
10
type 1
For increasing size of
gas tube from ø25.4
to ø28.58 mm (Not
used)*
* Used with the U-200PE1E8 outdoor unit
Table 1-2 (Outdoor Unit)
Name Figure Q’ty
Reducing Joint Tube
(
ø
19.05 →
ø
25.4)
1
Joint Tube (
ø
19.05)
1
1-5. Tubing Size
(A) Single type
●During tubing work, try to make both the tubing length (L)
and the difference in elevation (H1) as short as possible.
Refer to Table 1-3.
H1
Table 1-3 Tubing Data for Models (Single)
Models
Tubing Data U-200PE1E8 U-250PE1E8
Tubing size
outer diameter
Liquid tube
mm (in.) 9.52 (3/8) 12.7 (1/2)
Gas tube
mm (in.) 25.4
Limit of tubing length (L) (m) 100
Height
Differential of
Indoor/Outdoor
Units (H1)
Outdoor unit is
placed
higher (m) 30
Outdoor unit is
placed
lower (m) 30
Max. allowable tubing length at
shipment (m) 5 – 30
Required additional refrigerant
(g/m) 40 * 80 *
Refrigerant charged at shipment
(kg) 5.3 6.5
No additional charge of compressor oil is necessary.
* If the total tubing length exceeds 30 m, charge the amount of refrigerant
as shown above in “Required additional refrigerant” for every 1 m in
excess of 30 m for outdoor units.
Single
Main tubing L
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2. SELECTING THE INSTALLATION SITE
CAUTION
●When moving the unit during or after unpacking, make
sure to lift it by holding its lifting lugs. Do not exert
any pressure on other parts, especially the refrigerant
piping, drain piping and flange parts.
●If you think the humidity inside the ceiling might exceed
30°C and RH 80%, reinforce the insulation on the unit
body. Use glass wool or polyethylene foam as insulation
so that it is no thicker than 10 mm and fits inside the
ceiling opening.
2-1. Outdoor Unit
AVOID:
●heat sources and exhaust fans, etc. (Fig. 2-1)
●damp, humid or uneven locations.
DO:
●choose a place as cool as possible.
●choose a place that is well ventilated and outside air
temperature does not exceed maximum 45°C constantly.
●allow enough room around the unit for air intake/exhaust and
possible maintenance. (Fig. 2-2)
●use lug bolts or equal to bolt down unit, reducing vibration
and noise.
●If cooling operation is to be used when the outdoor air
temperature is –5°C or below, install a duct on the outdoor
unit.
Fig. 2-1
Installation space
Install the outdoor unit with a sufficient space around the
outdoor unit for operation and maintenance.
(1) Obstructions on the left side, right side and rear side (Front
side and above the unit are opened). (Fig. 2-2)
Fig. 2-2
* Necessary space is required to unscrew on the rear side for
maintenance and if a sufficient maintenance space is provided
on the rear side (40 cm), the space of over 15 cm is enough at
the right side.
CAUTION
1.
This unit requires no additional refrigerant charge up to
tubing length 30 m. In case of more than 30 m, additional
refrigerant charge is required. Refer toTable 1-3.
2. In case of multi type installation, indoor units should be
installed within the same room. If multi type indoor units
are installed in different rooms, temperature control may
develop problems because thermostat operation must
follow the thermostat condition of 1 indoor unit only (the
main unit).
WARNING
Always check the gas density for the room in which the unit
is installed.
■Check of limit density
When installing an air conditioner in a room, it is necessary to
ensure that even if the refrigerant gas accidentally escapes, its
density does not exceed the limit level.
If the density might exceed the limit level, it is necessary to
set up an opening between it and the adjacent room, or to
install mechanical ventilation which is interlocked with the leak
detector.
(Total refrigerant charged amount: kg)
(Min. indoor volume where indoor unit is installed: m3)
< Limit density 0.3 (kg/m3)
The limit density of refrigerant which is used in this unit is
0.3 kg/m3(ISO 5149).
The shipped outdoor unit comes charged with the amount of
refrigerant fixed for each type, so add it to the amount that
is charged at the field. (Refer to the unit’s nameplate for the
amount of charged refrigerant at shipment.)
Minimum indoor volume & floor area relative to the amount
of refrigerant are roughly as given in the following table.
40.5
54.0
27.0
13.5
0.0 20100 3040 6070809010050
67.5
81.0
94.5
108.0
121.5
135.0
148.5
162.0
175.5
189.0
202.5
216.0
229.5
243.0
256.0
270.0
m2m3
15
10
5
0
20
25
30
35
40
45
50
55
60
65
70
75
80
85
90
95
100
105
110
115
120
125
283.5
297.0
310.5
324.0
337.5
kg
CAUTION
Pay special attention to any location, such as a basement
or recessed area, etc. where leaked refrigerant can collect,
since refrigerant gas is heavier than air.
Hot air
Exhaust fan
Out-
door
unit
Heat source
*25 cm
or more
20 cm
or more
15 cm
or more
Range below the
density limit of
0.3 kg/m³
(Countermeasures
not needed)
Range above the
density limit of 0.3
kg/m³
(Countermeasures
needed)
Total amount of refrigerant
Min. indoor volume
Min. indoor floor area
(when the ceiling is 2.7 m high)
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(2) Obstructions on the front side and rear side (Left side, right
side and above the unit are opened). (Fig. 2-3)
Fig. 2-3
* For compressor replacement, 50 cm or more is required on the
front side even when using the air discharge chamber.
(3) Obstructions on the front side and above the unit (Left side,
right side and rear side are opened). (Fig. 2-4)
Fig. 2-4
In case of multiple installations
●Provide a solid base (concrete block, 10 × 40 cm beams or
equal), a minimum of 15 cm above ground level to reduce
humidity and protect the unit against possible water damage
and decreased service life. (Fig. 2-5)
●Use lug bolts or equal to bolt down unit, reducing vibration
and noise.
Fig. 2-5
2-2. Air Discharge Chamber for Top Discharge
Be sure to install the air discharge chamber in the field when:
●it is difficult to keep a space of min. 1 m between the air
discharge outlet and an obstacle.
●the air discharge outlet is facing a sidewalk and discharged
hot air annoys passers-by. (Fig. 2-6)
Fig. 2-6
2-3. Installing the Unit in Heavy Snow Areas
In locations with strong wind, snow-proof ducting should
likewise be fitted and direct exposure to the wind should be
avoided as much as possible.
■Countermeasures against snow and wind
In regions with snow and strong wind, the following problems
may occur when the outdoor unit is not provided with a platform
and snow-proof ducting (Fig. 2-7):
a) The outdoor fan may not run and damage of the unit may be
caused.
b) There may be no airflow.
c) The tubing may freeze and burst.
d) The condenser pressure may drop because of strong wind,
and the indoor unit may freeze.
Fig. 2-7
In regions with significant snowfall, the outdoor unit should
be provided with a platform and snow-proof duct.
2-4. Precautions for Installation in Heavy Snow
Areas
(1) The platform should be higher than the max. snow depth.
(Fig. 2-7)
(2) The 2 anchoring feet of the outdoor unit should be used for
the platform, and the platform should be installed beneath
the air intake side of outdoor unit.
(3) The platform foundation must be firm and the unit must be
secured with anchor bolts.
(4) In case of installation on a roof subject to strong wind,
countermeasures must be taken to prevent the unit from
being blown over.
*1 m
or more 15 cm
or more
30 cm
or more
50 cm
or more
Without snow-
proof ducting
(Low platform)
With snow-proof
ducting
(High platform)
Min. 15 cm
or more
Air intake
Air intake
Air discharge
Air discharge
Anchor bolts
(4 pieces)
Air discharge
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2-5. Dimensions of Snow / Wind-proof Ducting and
Refrigerant Tubing Space for Installation
Fig. 2-8
Min. 100 166 Unit: mm
Duct
Outdoor Unit
Min. 100
308
Outdoor
Unit
Duct Duct
Higher than the maximum
snow depth
Air intake
Air intake
About 1/2 of the unit height
Platform (foundation)
3. HOW TO INSTALL THE INDOOR UNIT
■
High Static Pressure Ducted Type (E1 Type)
3-1. Required Minimum Space for Installation and
Service (8, 10 Types)
The installation instructions that come with the indoor unit
describe how to use it in combination with the U-200PE1E8 and
U-250PE1E8 outdoor units.
Please refer to the following when using it in combination
with the U-200PE1E8 and U-250PE1E8 outdoor units.
●This air conditioner is usually installed above the ceiling so
that the indoor unit and ducts are not visible. Only the air
intake and air outlet ports are visible from below.
●The minimum space for installation and service is shown in
Fig. 3-1.
1170
1100
5555 1200
1310
(600 600)
s
Unit: mm
Fig. 3-1
Min. 600
(Space for
service)
(Suspension bolt pitch)
(Suspension bolt pitch)
Min. 700
(Space for
service)
Air suction
side
Refrigerant
tubing
Inspection
access Electrical
component box
Min. 130
Min. 610
Drain port
Drain pan
Ceiling face
●It is recommended that space be provided (600 × 600 mm) for checking and servicing the electrical system.
●Fig. 3-2 shows the detailed dimensions of the indoor unit.
479
300
100
2
100
100
42
1428
1310
71
1100 51
964
9s100P=900 4 - 37s12
10s100P=1000
106 44
1070
1310
67
67
113
(236) 364364 1334
60
43320
100
50
178
23
209344
1222
41
Unit: mm
Fig. 3-2
1Refrigerant tubing joint (liquid tube ø12.7 mm) (Flare nut)
2Refrigerant tubing joint (gas tube ø25.4 mm) (Brazing)
3Power supply outlet
4Drain port (O.D. 32 mm)
5Duct connection for suction
6Duct connection for discharge
28-ø3.5 (Holes all around)
26-ø3.5 (Holes all around)
1200 (Suspension bolt pitch)
(Hole for suspension bolt)
1170 (Suspension bolt pitch)
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3-2. Suspending the Indoor Unit
Depending on the ceiling type:
●Insert suspension bolts as shown in Fig. 3-3
or
●Use existing ceiling supports or construct a suitable support
as shown in Fig. 3-4.
WARNING
It is important that you use extreme care in supporting the
indoor unit inside the ceiling. Ensure that the ceiling is strong
enough to support the weight of the unit. Before hanging the
unit, test the strength of each attached suspension bolt.
(1) When placing the unit inside the ceiling, determine the pitch
of the suspension bolts referring to the dimensional data
given previously.
(Figs. 3-1 and 3-2)
Tubing must be laid and connected inside the ceiling when
suspending the unit. If the ceiling is already constructed,
lay the tubing into position for connection to the unit before
placing the unit inside the ceiling.
(2) Screw in the suspension bolts allowing them to protrude
from the ceiling as shown in Fig. 3-3.
(Cut the ceiling material, if necessary.)
(3) Suspend and fix the indoor unit using the 2 hexagonal nuts
(field supply) and special washers (supplied with the unit)
as shown in Fig. 3-5.
3-3. Installing the Refrigerant Tubing
The size of the refrigerant tubing is as shown in Table 3-1.
Table 3-1
8 Type 10 Type
Gas tube
(mm) ø25.4
(Brazing connection) ø25.4
(Brazing connection)
Liquid tube
(mm) ø9.52
(Flare connection) ø12.7
(Flare connection)
●When brazing the gas tubing, cool the tubing with dampened
shopcloths as you work, as shown in Fig. 3-6, to protect the
unit’s thermistor from the heat generated by brazing.
ø25.4
ø 25.4
The tube connector that comes with the Type 10 indoor unit
cannot be used in combination with this outdoor unit.
Use in combination with the U-250PE1E8.
● The type 8 indoor unit comes with a tube connector that is
for liquid tubing. Configure as shown in the illustration and
connect it.
When flaring the tube, put the flare nut onto it first and then
flare it.
●Be sure to insulate both the gas tubing and liquid tubing. In
addition, wrap the supplied insulation material around the
tubing joints, and fasten in place with vinyl tape or other
means. Failure to insulate the tubing may result in water
leakage from condensation.
●Plug all gaps at tube through-holes in the unit with insulation
or a similar substance to prevent air leakage. (Fig. 3-7)
3-4. Installing the Drain Pipe
(1) Prepare standard hard PVC pipe (O.D. 32 mm) for the drain
and use the supplied drain socket to prevent water leaks.
The PVC pipe must be purchased separately.
When doing this, apply adhesive for the PVC pipe at the
connection point.
Fig. 3-3
Hole-in-anchor
Hole-in-plug Concrete Insert
Suspension bolt (M10 or 3/8”)
(field supply)
Ceiling tiles
Ceiling support
Fig. 3-4
Air-outlet grille
Air-intake grille
Fig. 3-7
Suspension bolt
Hexagonal nuts
and washers
(2 sets)
Fig. 3-5
20 – 50 mm
Remove the ø 12.7 flare
nut from the liquid tubing of
the indoor unit and use it.
To outdoor unit ø 9.52 Braze
Flare the
tubing
To indoor unit
Tube connector for
8 type (Accessory)
Brazing
Dampened shopcloths
Inter-unit
gas tubing
Thermistor (indoor unit)
Fig. 3-6
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4. HOW TO INSTALL THE OUTDOOR
UNIT
4-1. Installing the Outdoor Unit
●Use concrete or a similar material to make the base, and
ensure good drainage.
●Ordinarily, ensure a base height of 5 cm or more. If a drain
pipe is used, or for use in cold-weather regions, ensure a
height of 15 cm or more at the feet on both sides of the unit.
(In this case, leave clearance below the unit for the drain
pipe, and to prevent freezing of drainage water in cold-
weather regions.)
●Refer to Fig. 4-1 for the anchor bolt dimensions.
●Be sure to anchor the feet with anchor bolts (M10). In
addition, use anchoring washers on the top side. (Use large
square 32 × 32 SUS washers with JIS nominal diameter of
10.) (Field supply)
For 8 and 10 HP unit
13
40340
60
13
110
660170
7575
219
105
290
26
380 20
10
410
18
Air Intake
Air
Intake
Air discharge
2- o32 Specified drain port
940
Drain port Anchor bolt (M10)
Fig. 4-1
4-2. Drainage Work
Follow the procedure below to ensure adequate draining for the
outdoor unit.
●For the drain port dimensions, refer to Fig. 4-1.
●Ensure a base height of 15 cm or more at the feet on both
sides of the unit.
4-3. Routing the Tubing and Wiring
●The tubing and wiring can be extended out in 4 directions:
front, rear, right, and down.
●The service valves are housed inside the unit. To access
them, remove the inspection panel. (To remove the
inspection panel, remove the 3 screws, then slide the panel
downward and pull it toward you.)
(1) If the routing direction is through the front, rear, or right,
use a nipper or similar tool to cut out the knockout holes for
the inter-unit control wiring outlet, power wiring outlet, and
tubing outlet from the appropriate covers A and B.
(2) If the routing direction is down, use a nipper or similar tool
to cut out the lower flange from cover A. (Fig. 4-2)
Fig. 4-2
CAUTION
●Route the tubing so that it does not contact the
compressor, panel, or other parts inside the unit.
Increased noise will result if the tubing contacts these
parts.
●When routing the tubing, use a tube bender to bend the
tubes.
●In cold-weather regions, in order to prevent drainage
water from freezing, do not install the drain socket cap.
Also take steps to prevent water from accumulating
around the unit.
Inter-unit control wiring
outlet
Inspection panel
Power wiring outlet
Cover A
Tubing outlet
Cover B
Right
Down
Rear
Front
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5. ELECTRICAL WIRING
5-1. General Precautions on Wiring
(1) Before wiring, confirm the rated voltage of the unit as
shown on its nameplate, then carry out the wiring closely
following the wiring diagram.
(2) Provide a power outlet to be used exclusively for each unit
and a circuit breaker for overcurrent protection should be
provided in the exclusive line.
(3) To prevent possible hazards from insulation failure, the unit
must be grounded.
(4) Each wiring connection must be done in accordance with
the wiring system diagram. Wrong wiring may cause the
unit to misoperate or become damaged.
(5) Do not allow wiring to touch the refrigerant tubing,
compressor, or any moving parts of the fan.
(6) Unauthorized changes in the internal wiring can be very
dangerous. The manufacturer will accept no responsibility
for any damage or misoperation that occurs as a result of
such unauthorized changes.
(7) Regulations on wire diameters differ from locality to
locality. For field wiring rules, please refer to your LOCAL
ELECTRICAL CODES before beginning.
You must ensure that installation complies with all relevant
rules and regulations.
(8) To prevent malfunction of the air conditioner caused by
electrical noise, care must be taken when wiring as follows:
●The remote control wiring and the inter-unit control wiring
should be wired apart from the inter-unit power wiring.
●Use shielded wires for inter-unit control wiring between units
and ground the shield on both sides.
(9) If the power supply cord of this appliance is damaged,
it must be replaced by a repair shop designated by the
manufacturer, because special-purpose tools are required.
5-2. Recommended Wire Length and Wire Diameter
for Power Supply System
Outdoor unit (3-phase)
(A) Power supply Time delay
fuse or circuit
capacity
Wire size Max. length
U-200PE1E8 14 mm2116 m 15 A
U-250PE1E8 14 mm296 m 20 A
Indoor unit
Type (B) Power supply Time delay fuse or
circuit capacity
2.5 mm2
E1 Max. 50/30 m 10/16 A
Control wiring
(C) Inter-unit (between outdoor
and indoor units) control wiring (D) Remote control wiring
0.75 mm2(AWG #18)
Use shielded wiring*10.75 mm2(AWG #18)
Max. 1,000 m Max. 500 m*2
NOTE
*1 With ring-type wire terminal.
*2 When the type “E1” is used with maximum length of 500 m
for group control, and if the remote controller for the group
control is wireless, the maximum length will be 400 m.
5-3. Wiring System Diagrams
(Example for 3-phase outdoor unit)
L2
L1
U2
U1
L3
N
AL1
L2
L3
N
U2
U1
L
N
1
2
2
1
D
B
L
N
2
1
C
LN U1 U2 R1 R2 L1 L2 L3 N
NOTE
(1) Refer to Section 5-2. “Recommended Wire Length
and Wire Diameter for Power Supply System” for the
explanation of “A”, “B” and “C” in the above diagrams.
(2) The basic connection diagram of the indoor unit shows
the 7P terminal board, so the terminal boards in your
equipment may differ from the diagram.
(3) Refrigerant Circuit (R.C.) address should be set before
turning the power on.
Indoor Unit
7P terminal board
Outdoor Unit
5P terminal board
2P terminal board
Power
supply Power
supply
Remote
controller
line
Unit
control
wiring
Unit Control
Line
E1 Type
Power supply*
220 – 240 V ~50/60 Hz
Remote
controller
WHT
BLK
* Regarding S-250PE1E8, the power supply is 220-240V, 50Hz only.
Ground
Ground
Ground
Outdoor unit (3-phase)
INV unit
Power supply
380 – 415 V, 3N, ~ 50/60 Hz
Indoor
unit
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CAUTION
(1) When linking the outdoor units in a network, disconnect the terminal extended from the short plug (CN003, 2P Black,
location: right bottom on the outdoor main control PCB) from all outdoor units except any one of the outdoor units.
(When shipping: In shorted condition.)
(2) Do not install the inter-unit control wiring in a way that forms a loop. (Fig. 5-1)
Fig. 5-1
(3) Use shielded wires for inter-unit control wiring (c) and ground the shield on both sides, otherwise misoperation from noise
my occur. (Fig. 5-2)
Connect wiring as shown in Section “5-3. Wiring System Diagram.”
Fig. 5-2
(4) Use the standard power supply cables for Europe (such as H05RN-F or H07RN-F which conform to CENELEC (HAR) rating
specifications) or use the cables based on IEC standard. (245 IEC57, 245 IEC66)
WARNING
Loose wiring may cause the terminal to overheat or result in unit malfunction. A fire hazard may also exist.
Therefore, ensure that all wiring is tightly connected.
When connecting each power wire to the terminal, follow the instructions on “How to connect wiring to the terminal” and fasten the wire
securely with the fixing screw of the terminal plate.
Outdoor unit Outdoor unit Outdoor unit
Indoor unit Indoor unit
Prohibited
Prohibited
Indoor unit
Shielded wire
Ground Ground
How to connect wiring to the terminal
■For stranded wiring
(1) Cut the wire end with cutting pliers,
then strip the insulation to expose
the stranded wiring about 10 mm and
tightly twist the wire ends. (Fig. 5-3)
(2) Using a Phillips head screwdriver,
remove the terminal screw(s) on the
terminal plate.
(3) Using a ring connector fastener or
pliers, securely clamp each stripped
wire end with a ring pressure terminal.
(4) Place the ring pressure terminal,
and replace and tighten the removed
terminal screw using a screwdriver.
(Fig. 5-4)
Insulation tape
8mm
Insulation tape
Shield mesh
Shield mesh
Fig. 5-5
Fig. 5-6
Fig. 5-7
Fig. 5-8
■Examples of shield wires
(1) Remove cable coat not to scratch braided shield. (Fig. 5-5)
(2) Unbraid the braided shield carefully and twist the
unbraided shield wires tightly together. Insulate the shield
wires by covering them with an insulation tube or wrapping
insulation tape around them. (Fig. 5-6)
(3) Remove coat of signal wire. (Fig. 5-7)
(4) Attach ring pressure terminals to the signal wires and the
shield wires insulated in Step (2). (Fig. 5-8)
Screw and
Special washer
Ring
pressure
terminal
Terminal plate
Ring pressure
terminal
Screw
Special
washer
Wire
Wire
Ring
pressure
terminal
Strip 10 mm
Stranded wire
Fig. 5-3 Fig. 5-4
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1.
2.
3.
6. HOW TO INSTALL THE TIMER REMOTE
CONTROLLER (OPTIONAL PART)
NOTE
Refer to the Instruction Manual attached to the optional Timer
Remote Control Unit.
7. HOW TO PROCESS TUBING
The liquid tubing side is connected by a flare nut, and the gas
tubing side is connected by brazing.
7-1. Connecting the Refrigerant Tubing
Use of the Flaring Method
Many of conventional split system air conditioners employ the
flaring method to connect refrigerant tubes that run between
indoor and outdoor units. In this method, the copper tubes are
flared at each end and connected with flare nuts.
Flaring Procedure with a Flare Tool
(1) Cut the copper tube to the required length with a tube
cutter. It is recommended to cut approx. 30 – 50 cm longer
than the tubing length you estimate.
(2) Remove burrs at each end of the copper tubing with a
tube reamer or file. This process is important and should
be done carefully to make a good flare. Be sure to keep
any contaminants (moisture, dirt, metal filings, etc.) from
entering the tubing. (Figs. 7-1 and 7-2)
Fig. 7-1 Fig. 7-2
NOTE
When reaming, hold the tube end downward and be sure that
no copper scraps fall into the tube. (Fig. 7-2)
(3) Remove the flare nut from the unit and be sure to mount it
on the copper tube.
AfterBefore
Deburring
Copper
tubing
Reamer
■Wiring sample
Indoor Unit
Outdoor Unit
Use this screw when connecting
to ground the shield for the
Inter-unit control wiring.
Remote Control
Wiring
Power
Supply
Earth
Earth
Earth
Functional ground screw (External Electronic
Expansion Valve Kit and Schedule Timer)
Use this screw when connecting
to ground for the unit control line.
Use this screw when connecting
to ground for the unit control line.
Use this screw when connecting
to ground for the unit control line.
Clamper *
(Field supply)
* First remove the attached resin fixture. Then lead
the clamper (field supply) through the screw hole
and fix the power supply wire.
Power Supply
Power Supply
Power Supply
Unit Control Line
Unit Control Line
Unit Control Line
Inter-unit
Control Wiring
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(4) Make a flare at the end of the copper tube with a flare tool.
(Fig. 7-3)
Fig. 7-3
NOTE
A good flare should have the following characteristics:
●inside surface is glossy and smooth
●edge is smooth
●tapered sides are of uniform length
Flare size: A (mm)
A
Copper tubing
(Outer dia.) A 0
–0.4
ø6.35 9.1
ø9.52 13.2
ø12.7 16.6
ø15.88 19.7
ø19.05 24.0
Caution Before Connecting Tubes Tightly
(1) Apply a sealing cap or water-proof tape to prevent dust or
water from entering the tubes before they are used.
(2) Be sure to apply refrigerant lubricant (ether oil) to the
inside of the flare nut before making piping connections.
This is effective for reducing gas leaks. (Fig. 7-4)
Fig. 7-4
(3) For proper connection, align the union tube and flare tube
straight with each other, then screw on the flare nut lightly
at first to obtain a smooth match. (Fig. 7-5)
Fig. 7-5
●Adjust the shape of the liquid tube using a tube bender at the
installation site and connect it to the liquid tubing side valve
using a flare.
Cautions During Brazing
●Replace air inside the tube with nitrogen gas to prevent
copper oxide film from forming during the brazing
process. (Oxygen, carbon dioxide and Freon are not
acceptable.)
●Do not allow the tubing to get too hot during brazing.
The nitrogen gas inside the tubing may overheat,
causing refrigerant system valves to become damaged.
Therefore allow the tubing to cool when brazing.
●Use a reducing valve for the nitrogen cylinder.
●Do not use agents intended to prevent the formation
of oxide film. These agents adversely affect the
refrigerant and refrigerant oil, and may cause damage or
malfunctions.
7-2. Connecting Tubing Between Indoor and
Outdoor Units
(1) Preparing the Tubing.
●The tubing of the gas main has a diameter of ø25.4, but
the connection to the service valve of the outdoor unit
has a diameter of ø19.05, so a flare has to be used.
Consequently, be sure to use the enclosed joint tube and
reducing joint tube in making connections (braze).
●Align the joint tube in the direction the tubing comes out and
refer to the following references “Examples of Making Tube
Connections” 1 to 4 in cutting it to the required length and
then braze it.
●To protect the wiring and parts inside the unit, perform the
brazing outside the unit. Also, take note that each of the joint
tubes in 1 to 3 have to be installed in a specific direction, so
make sure they are as depicted in the figure when you braze
them.
Examples of Making Tube Connections
1. Out Front
Flare Process
260
2. Out Right
260
Flare Process
The connection
faces towards you
3. Out Rear
60
Flare Process
Apply refrigerant lubricant.
Flare nut
Union
Flare nut
Copper
tubing
Flare tool
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4. Out Bottom
260
190
Flare Process
●
The ø25.4 gas main will not pass easily into the opening for
coolant pipes in the pipe cover, so make sure you connect the
ø25.4 pipe with the ø 19.05 pipe outside of the outdoor unit.
(2) Tightly connect the indoor-side refrigerant tubing extended
from the wall with the outdoor-side tubing.
(3) To fasten the flare nuts, apply specified torque.
●When removing the flare nuts from the tubing connections,
or when tightening them after connecting the tubing, be sure
to use 2 monkey wrenches or spanners. (Fig. 7-6)
If the flare nuts are over-tightened, the flare may be damaged,
which could result in refrigerant leakage and cause injury or
asphyxiation to room occupants.
Fig. 7-6
●When removing or tightening the gas tube flare nut, use 2
adjustable wrenches together: one at the gas tube flare nut,
and the other at part A. (Fig. 7-7)
Fig. 7-7
●For the flare nuts at tubing connections, be sure to use the
flare nuts that were supplied with the unit, or else flare nuts
for R410A (type 2). The refrigerant tubing that is used must
be of the correct wall thickness as shown in the table below.
Tube diameter Tightening torque
(approximate) Tube thickness
ø6.35 (1/4") 14 – 18 N · m
(140 – 180 kgf · cm) 0.8 mm
ø9.52 (3/8") 34 – 42 N · m
(340 – 420 kgf · cm) 0.8 mm
ø12.7 (1/2") 49 – 55 N · m
(490 – 550 kgf · cm) 0.8 mm
ø15.88 (5/8") 68 – 82 N · m
(680 – 820 kgf · cm) 1.0 mm
ø19.05 (3/4")
100 – 120 N · m
(1000 – 1200 kgf · cm)
1.2 mm
Because the pressure is approximately 1.6 times higher than
conventional refrigerant pressure, the use of ordinary flare
nuts (type 1) or thin-walled tubes may result in tube rupture,
injury, or asphyxiation caused by refrigerant leakage.
●In order to prevent damage to the flare caused by over-
tightening of the flare nuts, use the table above as a guide
when tightening.
●When tightening the flare nut on the liquid tube, use an
adjustable wrench with a nominal handle length of 200 mm.
●Do not use a spanner to tighten the valve stem caps. Doing
so may damage the valves.
●Depending on the installation conditions, applying excessive
torque may cause the nuts to crack.
Precautions for Packed Valve Operation
●If the packed valve is left for a long time with the valve stem
cap removed, refrigerant will leak from the valve. Therefore,
do not leave the valve stem cap removed. (Fig. 7-8)
●Use a torque wrench to securely tighten the valve stem cap.
Fig. 7-8
●Valve stem cap tightening torque:
Charging port 8 – 10 N • m (80 – 100 kgf • cm)
Valve stem cap
ø9.52
19 – 21 N • m (190 – 210 kgf • cm)
ø12.7
25 – 30 N • m (250 – 300 kgf • cm)
ø19.05
13 – 14 N • m (130 – 140 kgf • cm)
7-3. Insulating the Refrigerant Tubing
Tubing Insulation
●Thermal insulation must be applied to all units tubing,
including distribution joint (purchased separately).
* For gas tubing, the insulation material must be heat
resistant to 120°C or above. For other tubing, it must be
heat resistant to 80°C or above.
Insulation material thickness must be 10 mm or greater.
If the conditions inside the ceiling exceed DB 30°C and RH
70%, increase the thickness of the gas tubing insulation
material by 1 step.
Two tubes arranged together
Fig. 7-9
CAUTION
If the exterior of the outdoor unit valves has been finished
with a square duct covering, make sure you allow sufficient
space to access the valves and to allow the panels to be
attached and removed.
Packed valve Charging port
Valve stem
Main valve
Valve stem cap
Inter-unit control
wiring
Gas tube
Liquid tube
Armoring tape
Insulation
Outdoor unit
Torque wrench
Spanner
Indoor unit
A
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Taping the flare nuts
Wind the white insulation tape around the flare nuts at the gas
tube connections. Then cover up the tubing connections with
the flare insulator, and fill the gap at the union with the supplied
black insulation tape. Finally, fasten the insulator at both ends
with the supplied vinyl clamps. (Fig. 7-10)
Fig. 7-10
Insulation material
The material used for insulation must have good insulation
characteristics, be easy to use, be age resistant, and must not
easily absorb moisture.
CAUTION
After a tube has been insulated, never try to bend it into
a narrow curve because it can cause the tube to break or
crack.
Never grasp the drain or refrigerant connecting outlets
when moving the unit.
7-4. Taping the Tubes
(1) At this time, the refrigerant tubes (and electrical wiring
if local codes permit) should be taped together with
armoring tape in 1 bundle. To prevent condensation from
overflowing the drain pan, keep the drain hose separate
from the refrigerant tubing.
(2) Wrap the armoring tape from the bottom of the outdoor
unit to the top of the tubing where it enters the wall. As you
wrap the tubing, overlap half of each previous tape turn.
(3) Clamp the tubing bundle to the wall, using 1 clamp approx.
each meter. (Fig. 7-11)
Fig.7-11
NOTE
Do not wind the armoring tape too tightly since this will
decrease the heat insulation effect. Also ensure that the
condensation drain hose splits away from the bundle and drips
clear of the unit and the tubing.
7-5. Finishing the Installation
After finishing insulating and taping over the tubing, use sealing
putty to seal off the hole in the wall to prevent rain and draft
from entering. (Fig. 7-12)
Fig.7-12
Inter-unit
control wiring
Insulation
Gas tube Liquid tube
Armoring tape
Insulation tape (white) (supplied)
Sealer (supplied)
Flare insulator (supplied)
Tube insulator
(not supplied)
Heat resistant
120°C or above
Unit side
insulator
Flare nut Vinyl clamps (supplied)
Apply putty here
Tubing
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8. LEAK TEST, EVACUATION AND
ADDITIONAL REFRIGERANT CHARGE
Perform an air-tightness test for this package A/C. Check that
there is no leakage from any of the connections.
Air and moisture in the refrigerant system may have undesirable
effects as indicated below.
●pressure in the system rises
●operating current rises
●cooling (or heating) efficiency drops
●moisture in the refrigerant circuit may freeze and block
capillary tubing
●water may lead to corrosion of parts in the refrigerant system
Therefore, the indoor unit and tubing between the indoor and
outdoor unit must be leak tested and evacuated to remove any
noncondensables and moisture from the system. (Figs. 8-1 and
8-2)
Fig. 8-1 Fig. 8-2
■ Air Purging with a Vacuum Pump (for Test Run)
Preparation
Check that each tube (both liquid and gas tubes) between the
indoor and outdoor units has been properly connected and all
wiring for the test run has been completed. Remove the valve
caps from both the gas and liquid service valves on the outdoor
unit. Note that both liquid and gas tube service valves on the
outdoor unit are kept closed at this stage. (Fig. 8-3)
Lo Hi
Fig. 8-3
●The refrigerant charge at the time of shipment is only
guaranteed sufficient for a tubing length of up to 30 m. The
tubing may exceed this length, up to the maximum permitted
length; however, an additional charge is necessary for
the amount that the tubing exceeds 30 m. (No additional
refrigerating machine oil is needed.)
8-1. Leak Test
(1) With the service valves on the outdoor unit closed, remove
the 7.94 mm flare nut and its bonnet on the gas tube
service valve. (Save for reuse.)
(2) Attach a manifold valve (with pressure gauges) and dry
nitrogen gas cylinder to this service port with charge
hoses.
CAUTION
Use a manifold valve for air purging. If it is not available,
use a stop valve for this purpose. The “Hi” knob of the
manifold valve must always be kept closed.
(3) Pressurize the system up to 4.15 MPa (42 kgf/cm2G) with
dry nitrogen gas and close the cylinder valve when the
gauge reading reaches 4.15 MPa (42 kgf/cm2G). Then,
test for leaks with liquid soap.
CAUTION
To avoid nitrogen entering the refrigerant system in a
liquid state, the top of the cylinder must be higher than
the bottom when you pressurize the system. Usually, the
cylinder is used in a vertical standing position.
(4) Do a leak test of all joints of the tubing (both indoor and
outdoor) and both gas and liquid service valves. Bubbles
indicate a leak. Wipe off the soap with a clean cloth after a
leak test.
(5) After the system is found to be free of leaks, relieve the
nitrogen pressure by loosening the charge hose connector
at the nitrogen cylinder. When the system pressure is
reduced to normal, disconnect the hose from the cylinder.
Manifold gauge Vacuum pump
Outlet
Inlet
Manifold valve
Pressure
gauge
Cylinder
valve
Nitrogen gas cylinder
(In vertical standing
position)
Charge hose
Open
Close
Gas tube
Liquid tube
Outdoor unit
Close
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8-2. Evacuation
Be sure to use a vacuum pump that includes a function for
prevention of back-flow, in order to prevent back-flow of pump
oil into the unit tubing when the pump is stopped.
●Perform vacuuming of the indoor unit and tubing.
Connect the vacuum pump to the gas tube valve and apply
vacuum at a pressure of –101kPa (–755 mmHg, 5 Torr) or
below.
Continue vacuum application for a minimum of 1 hour after
the pressure reaches –101kPa (–755 mmHg, 5 Torr).
(1) Attach the charge hose end described in the preceding
steps to the vacuum pump to evacuate the tubing and
indoor unit. Confirm that the “Lo” knob of the manifold
valve is open. Then, run the vacuum pump.
(2) When the desired vacuum is reached, close the “Lo”
knob of the manifold valve and turn off the vacuum pump.
Confirm that the gauge pressure is under –101 kPa (–755
mmHg, 5 Torr) after 4 to 5 minutes of vacuum pump
operation. (Fig. 8-4)
CAUTION
Use a cylinder specifically designed for use with R410A.
Lo Hi
Fig. 8-4
8-3. Charging Additional Refrigerant
●Charging additional refrigerant (calculated from the liquid
tube length as shown in “Amount of additional refrigerant
charge”) using the liquid tube service valve. (Fig. 8-5)
●Use a balance to measure the refrigerant accurately.
●If the additional refrigerant charge amount cannot be
charged at once, charge the remaining refrigerant in liquid
form by using the gas tube service valve with the system in
Cooling mode at the time of test run. (Fig. 8-6)
* If an additional refrigerant charge has been performed, list the
refrigerant tubing length and amount of additional refrigerant
charge on the product label (inside the panel).
Lo Hi
R410A
Fig. 8-5
Fig. 8-6
8-4. Finishing the Job
(1) With a hex wrench, turn the liquid tube service valve stem
counterclockwise to fully open the valve.
(2) Turn the gas tube service valve stem counterclockwise to
fully open the valve.
CAUTION
To avoid gas from leaking when removing the charge hose,
make sure the stem of the gas tube is turned all the way
out (“BACK SEAT”) position.
(3) Loosen the charge hose connected to the gas tube service
port (7.94 mm) slightly to release the pressure, and then
remove the hose.
(4) Replace the 7.94 mm flare nut and its bonnet on the gas
tube service port and fasten the flare nut securely with an
adjustable wrench or box wrench. This process is very
important to prevent gas from leaking from the system.
(5) Replace the valve caps at both gas and liquid service
valves and fasten them securely.
Manifold valve
Pressure
gauge
Vacuum pump
Open
Close
Gas tube
Liquid tube
Outdoor unit
Close
Manifold valve
Pressure
gauge
Valve
Close
Close
Liquid tube
Gas tube
Outdoor unit
Close
Liquid
Open
Open
Gas tube
Liquid tube
Outdoor unit
Open
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9. TEST RUN
9-1. Preparing for Test Run
●Before attempting to start the air conditioner, check the
following:
(1) All loose matter is removed from the cabinet especially
steel filings, bits of wire, and clips.
(2) The control wiring is correctly connected and all electrical
connections are tight.
(3) The protective spacers for the compressor used for
transportation have been removed. If not, remove them
now.
(4) The transportation pads for the indoor fan have been
removed. If not, remove them now.
(5) The power has been supplied to the unit for at least 5
hours before starting the compressor. The bottom of
the compressor should be warm to the touch and the
crankcase heater around the feet of the compressor should
be hot to the touch. (Fig. 9-1)
Fig. 9-1
(6) Both the gas and liquid tube service valves are open. If
not, open them now. (Fig. 9-2)
Fig. 9-2
(7) Request that the customer be present for the test run.
Explain the contents of the instruction manual, and then
have the customer actually operate the system.
(8) Be sure to give the instruction manual and warranty
certificate to the customer.
(9) When replacing the control PCB, be sure to make all the
same settings on the new PCB as were in use before
replacement.
The existing EEPROM is not changed, and is connected to
the new control PCB.
■E1 Type
9-2. Caution
●This unit may be used in a single-type refrigerant
system where 1 outdoor unit is connected to 1 indoor
unit.
●The indoor and outdoor unit control PCB utilizes
a semiconductor memory element (EEPROM). The
settings required for operation were made at the time of
shipment.
Only the correct combinations of indoor and outdoor
units can be used.
●This test run section describes primarily the procedure
when using the wired remote controller.
9-3. Test Run Procedure
YES
YES
YES
NO
NO
NO
Fig. 9-3
(Power must be turned ON at least
5 hours before attempting test run)
Power mains switch
ON
Liquid tube Gas tube
Recheck the items to check
before the test run.
Check the combination (wiring) of
indoor and outdoor units. (See 9-8-1 to 5)
(See 9-4)
Is system “single-type”?
(1 indoor unit is connected
to 1 outdoor unit and remote
controller)
Is group control with
multiple outdoor units used?
Turn ON the indoor and
outdoor power.
Indicate (mark) the
combination number. (See 9-8-5)
Automatic
address
Set the remote controller to
“test run”. (See 9-5)
Can
operation be
started?
Return the remote controller
to normal control.
Turn ON the
indoor and
outdoor power.
(Automatic
Address)
(See 9-8-3)
Setting the Outdoor
Unit System
Address
Set the outdoor
unit system
address.
(See 9-8-4)
Automatic Address
Setting
Use the remote
controller to
perform automatic
address setting.
Refer to “Table of Self-
Diagnostic Functions”
to check the system.
In addition, refer to
9-8-1 to 5 and correct
any items that need to
be corrected.
Note: Check the indoor-side
drainage.
(*1) Required for
simultaneous-operation
multi systems and for
group control.
(*1)
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9-4. Items to Check Before the Test Run
(1) Turn the remote power switch ON at least 12 hours in
advance in order to energize the crank case heater.
(2) Fully open the closed valves on the liquid-tube and gas-
tube sides.
9-5. Test Run Using the Remote Controller
(1) Press and hold the remote controller button for 4
seconds or longer. Then press the button.
●“TEST” appears in the LCD display during the test run.
●Temperature control is not possible when test run mode
is engaged.
(This mode places a large load on the devices. Use it
only when performing the test run.)
(2) Use either Heating or Cooling mode to perform the test
run.
Note: The outdoor unit will not operate for approximately 3
minutes after the power is turned ON or after it stops
operating.
(3) If normal operation is not possible, a code appears on the
remote controller LCD display.
Refer to “9-7. Table of Self-Diagnostic Functions and
Corrections”, and correct the problem.
(4) After the test run is completed, press the button again.
Check that “TEST” disappears from the LCD display.
(This remote controller includes a function that cancels test
run mode after a 60-minute timer has elapsed, in order to
prevent continuous test run operation.)
(5) For the test run of an inverter outdoor unit, operate the
compressors for a minimum of 10 minutes (in order to
check for open phase).
* When performing a test run using a wired remote control-
ler, operation is possible without attaching the cassette-
type ceiling panel.
(“P09” will not be displayed.)
9-6. Precautions
●Request that the customer be present when the test run is
performed. At this time, explain the operation manual and
have the customer perform the actual steps.
●Be sure to pass the manuals and warranty certificate to the
customer.
●Check that the 220 – 240 V AC power is not connected to
the inter-unit control wiring connector terminal.
* If 220 – 240 V AC is accidentally applied, the indoor or out-
door unit control PCB fuse will blow in order to protect the
PCB. Correct the wiring connections, then disconnect the
2P connectors that are connected to the PCB, and replace
them with 2P connectors.
If operation is still not possible after changing the brown con-
nectors, try cutting the varistor.
(Be sure to turn the power OFF before performing this work.)
Outdoor unit control PCB
8 – 10 HP
LED1
FUSE (0.5A, F500)
OC (CN500, BLU)
MOV2
(CN301, BLK)
MOV1
(CN300, WHT)
EMG (CN502, BRN)
SILENT (CN037, WHT)
PUMP DOWN (CN048)
TEMINAL (CN205, BLK)
R.C.ADD. Rotary switch
C2 (CN020, WHT)
C1 (CN021, WHT)
TEST (CN033, RED)
TD (CN024, BLK)
TO (CN023, BLK)
TS (CN022, RED)
63PH (CN027, WHT)
EXCT
(CN030, RED)
RC P
(CN039, RED)
IC002
CTL2
(CN202, GRN)
CTL1
(CN203, GRN)
FUSE
(6.3A, F101)
N.P.CHECK
(CN046, RED) LED2
MODE (CN038)
D115
(POWER LED)
IC001 R.C.ADD. DIP switch
A.ADD (CN047)
C-CHK (CN035)
EEPROM
LED (D041 EEPROM LED)
Fig. 9-4
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9-7. Table of Self-Diagnostic Functions and Corrections (E1 Type)
Wired remote
controller
display
Indoor unit
receiver lamp
Cause
Correction
1:1 connection (single type) Group connection Simultaneous-operation multi system
(flexible combination) Control by main-sub
remote controllers
Nothing is
displayed Nothing is
displayed
●Remote controller is not connected
correctly.
●Indoor unit power is not ON.
●Remote controller is not connected
with indoor unit correctly
●Indoor unit power is not ON.
●Same at left ●Same at left Connect the remote controller correctly.
Turn ON the indoor unit power.
E01 displayed
Operating lamp
is blinking.
●Automatic address setting has not been
completed.
●Inter-unit control wiring is cut or is not
connected correctly.
●Remote controller is not connected
correctly (remote controller receiving
failure).
●Automatic address setting has not
been completed.
●Inter-unit control wiring is cut or is
not connected correctly.
●Remote controller is not connected
with indoor unit correctly.
●Same at left ●Same at left Check the remote controller and inter-
unit control wiring.
Perform automatic address setting (See
9-8-4).
E02 displayed
●Remote controller is not connected
correctly (failure in transmission from
remote controller to indoor unit).
●Remote controller is not connected
with indoor unit correctly.
●Same at left ●Same at left Connect the remote controller correctly.
E09 displayed —————— —————— ——————
●2 remote
controllers are
set as the main
remote controller.
Refer to 9-8-6 Main-sub remote
Control, and make the correct settings.
E14 displayed —————— ——————
●Remote controller crossover wiring
is cut or is not connected correctly.
●Same at left Check the remote controller crossover
wiring.
Perform automatic address setting
again.
E04 displayed
Standby lamp is
blinking.
●Indoor-outdoor inter-unit wiring is not
connected correctly.
●Same at left ●Same at left ●Same at left Connect the wiring correctly.
E06 displayed ●Indoor-outdoor inter-unit wiring is
cut or is not connected correctly.
●Same at left ●Same at left Refer to 9-8 System Control, and make
the correct settings.
E15 displayed ●Indoor unit capacity is too low. ●Same at left ●Same at left ●Same at left Check that the total capacities of
the indoor and outdoor units are
appropriate.
E16 displayed ●Indoor unit capacity is too high.
E20 displayed
●No serial signal is being received at all
from the indoor units. Check that the indoor unit power is ON,
and that the inter-unit control wiring is
connected correctly.
P05 displayed
Operation lamp
and Standby
lamp are blinking
alternately.
●Reversed phase in the outdoor unit
single-phase or open phase in the
outdoor unit 3-phase power.
●Insufficient gas
●Reversed phase in the outdoor
unit single phase or open phase
in the 3-phase power at one of the
outdoor units in the group.
●Reversed phase in the outdoor unit
single-phase or open phase in the
outdoor unit 3-phase power.
●CT sensor is disconnected or there
is a problem with the circuit.
●Same at left Reverse 2 phases of the outdoor unit
3-phase power and connect them
correctly.
Check that the CT sensor is not
disconnected, and make sure it is
inserted.
Fill up the gas appropriately.
L02 displayed
L13 displayed Both the
Operation lamp
and Standby
lamp are blinking
together.
●Indoor-outdoor unit type mismatch. ●Same at left ●Same at left —————— Check that the indoor and outdoor unit
types are correct.
L07 displayed —————— ——————
●Remote controller crossover wiring
is connected to the indoor unit,
however it is set for individual
operation.
●Same at left Perform automatic address setting (See
9-8).
P09 displayed Timer lamp and
Standby lamp are
blinking
alternately.
●The indoor unit ceiling panel connector
is not connected correctly.
●Ceiling panel connector at one of
the indoor units in the group is not
connected correctly.
●Indoor unit ceiling panel connector
is not connected correctly.
●Same at left Connect the indoor unit ceiling panel
connector correctly.
P12 displayed
●Indoor unit DC fan trouble. ●DC fan trouble at one of the indoor
units in the group.
●Indoor unit fan trouble. ●Same at left Check whether the fan holder is loose.
Check the wiring between the DC fan
and the PCB.
P15 displayed
Operation lamp
and Standby
lamp are blinking
alternately.
●No gas ●Same at left ●Same at left
——————
Check the refrigerant cycle (for gas
leaks).
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9-8. System Control
System control refers to the link wiring connection for control of
simultaneous-operation multi systems, group control, and main-
sub remote controller control.
9-8-1. Basic wiring diagram
Single type
●Be careful to avoid miswiring when connecting the wires.
(Miswiring will damage the units.)
(for 3-phase outdoor unit)
12
12N
U1
U2
1
2
L3L2L1
L
N
Fig. 9-5-1
System address rotary switch
(Set to “0” at the time of shipment.)
Inter-unit control wiring
Outdoor unit
Leakage breaker
Ground
Ground
WHT BLK
Indoor
unit
(Optional)
Wired remote
controller
Leakage breaker
Remote controller wiring
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(Wiring procedure)
(1) Connect the remote controller to the indoor unit remote
controller wiring terminal plate (1, 2). (Remote controller
wiring)
(2) Connect the indoor units (U1, U2) and the outdoor units (1,
2). Connect the other outdoor units and indoor units (with
different refrigerant systems) in the same way. (Inter-unit
control wiring)
Connect the remote controller crossover wiring to the
indoor units (U1, U2) for each refrigerant system. (Inter-
unit control wiring)
(3) Connect the remote controller crossover wiring (2 wires)
from the remote controller wiring terminal plate (1, 2)
on the indoor unit (unit where the remote controller is
connected) to the remote controller terminal plates (1, 2)
on the other indoor units. (Remote controller crossover
wiring)
(4) Turn ON both the indoor and outdoor unit power and
perform automatic address setting from the remote
controller. (For the automatic address setting procedure,
refer to 9-8-4.)
NOTE
* Models with auxiliary heaters cannot be used for crossover
wiring of the indoor unit power wires. (Use a pull box to divide
the wiring.)
Be sure to use the indoor unit temperature sensor (body
sensor) when using this control. (Status at shipment.)
9-8-2. Setting the outdoor unit system addresses
For basic wiring diagram (Set the system address: 1)
ON
1
2
8 – 10 HP
LED1
FUSE (0.5A, F500)
OC (CN500, BLU)
MOV2
(CN301, BLK)
MOV1
(CN300, WHT)
EMG (CN502, BRN)
SILENT (CN037, WHT)
PUMP DOWN (CN048)
TEMINAL (CN205, BLK)
R.C.ADD. Rotary switch
C2 (CN020, WHT)
C1 (CN021, WHT)
TEST (CN033, RED)
TD (CN024, BLK)
TO (CN023, BLK)
TS (CN022, RED)
63PH (CN027, WHT)
EXCT
(CN030, RED)
RC P
(CN039, RED)
IC002
CTL2
(CN202, GRN)
CTL1
(CN203, GRN)
FUSE
(6.3A, F101)
N.P.CHECK
(CN046, RED) LED2
MODE (CN038)
D115
(POWER LED)
IC001 R.C.ADD. DIP switch
A.ADD (CN047)
C-CHK (CN035)
EEPROM
LED (D041 EEPROM LED)
Fig. 9-6
System address
No.
System address
10s digit
(2P DIP switch)
System address
1s place
(Rotary switch)
0 Automatic address
(Setting at shipment = “0”)
Both OFF
ON
12
“0” setting
1 (If outdoor unit is No. 1)
Both OFF
ON
12
“1” setting
9-8-3. Automatic address setting using the remote
controller
When the outdoor unit shown in “9-8-1. Basic wiring diagram”
is used for group control of multiple units, use the remote
controller to perform automatic address setting. (During
automatic address setting, “SETTING” blinks on the remote
controller display.)
●Press the remote controller timer time button and
button simultaneously. (Hold for 4 seconds or longer.) Then
press the button. (Item code “AA” appears: All systems
automatic address setting.)
(Automatic address setting is performed in sequence for all
outdoor units from No. 1 to No. 30. When automatic address
setting is completed, the units return to normal stopped
status.)
●To select each refrigerant system individually and perform
automatic address setting, press the remote controller timer
time button and button simultaneously. (Hold for
4 seconds or longer.) Then press either of the temperature
setting / buttons.
(Item code “A1” appears: Individual system automatic
address setting)
Use either the or button to select the
outdoor unit to perform automatic address setting for.
(R.C.1 is displayed.) Then press the button. (Automatic
address setting is performed for refrigerant system 1.) When
automatic address setting for system 1 is completed, the
system returns to normal stopped status.
Again press the remote controller timer time button and
the button simultaneously.
Then in the same way as above (use the button
to display “R.C.2”), select the next system and perform
automatic address setting.
9-8-4. Indicating (marking) the indoor and outdoor unit
combination number
Indicate (mark) the number after automatic address setting is
completed.
(1) So that the combination of each indoor unit can be easily
checked when multiple units are installed, ensure that the
indoor and outdoor unit numbers correspond to the system
address number on the outdoor unit control PCB, and use
a magic marker or similar means which cannot be easily
erased to indicate the numbers in an easily visible location
on the indoor units (near the indoor unit nameplates).
Example: (Outdoor) 1 - (Indoor) 1
(Outdoor) 2 - (Indoor) 1
ON
OFF
ON
OFF
Outdoor unit control PCB
DIP switch
System address
System address rotary switch
(Set to “0” at time of shipment)
System address rotary switch
10s 20s ON
OFF
8 – 10 HP
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(2) These numbers will be needed for maintenance. Be sure to
indicate them.
* Use the remote controller to check the addresses of the
indoor units. Press and hold the button and
button for 4 seconds or longer (simple settings mode).
Then press the button and select the indoor
address. (Each time the button is pressed, the address
changes as follows: 1-1, 1-2, ... 2-1, 2-2, ....) The indoor
unit fan operates only at the selected indoor unit. Confirm
that correct fan is operating, and indicate the address on
the indoor unit.
Press the
button again to return to the normal remote
controller mode.
For details, refer to the separate manual.
9-8-5. Main-sub remote controller control
Control using 2 remote controller switches
Main-sub remote controller control refers to the use of 2 remote
controllers to control 1 or multiple indoor units. (A maximum of 2
remote controllers can be connected.)
●Connecting 2 remote controllers to control 1 indoor unit
1 2 1 2
1 2
U1U2
1 2
●Remote controller setting mode
To set the remote controller main/sub setting or change the
sensor, follow the steps below.
(1) Press both and buttons on the remote controller
for more than 4 seconds together.
(2) Select CODE No. with / ( ) buttons.
(3) Change DATA with / (TIMER) buttons.
(4) Press . Finally, press .
DATA is memorized in the RCU. (DATA setting will not be
changed even when the power is turned off.)
Make sure to set [Normal] for RCU. CK.
RCU. Main/Sub
MainSub
CODE
ITEM
DATA
ITEM
Clock display
12 hours (AM/PM)24 hours
RCU. CK
NormalRCU. CK
Room temperature sensor
Main unit RCU
9-9. Test Run Procedure
NO
YES
NO
YES
NO
YES
Fig. 9-7
Recheck the items to check
before the test run. (See 9-10)
Check the combination (wiring) of
indoor and outdoor units. (See 9-15)
Is system “single-type”?
(1 indoor unit is connected
to 1 outdoor unit)
Are multiple outdoor units
used?
Turn ON the indoor and
outdoor power.
Set the indoor unit control
switch to “TEST”.
(Automatic Address Setting)
(See 9-12)
Can operation be
started?
Slide the indoor unit control
switch back to “ON”.
(See 9-12)
Turn ON the
indoor and
outdoor power
(Automatic
Address setting)
(See 9-15-2) In
case of group
control
Confirm wiring
is done in
accordance with
Fig. 2, “Basic
Wiring”.
(See 9-15-3 to
9-15-6)
How to Set
Automatic Address
Set the
automatic
address setting
from outside unit.
(See 9-14)
Refer to “Table of Self-
Diagnostic Functions”
to check the system.
In addition, refer to
9-15 and correct any
items that need to be
corrected.
Note: Check the indoor-
side drainage.
Remote controller wiring
Terminal plate for remote
controller wiring
Remote controller
switch (main)
Optional Optional
Remote controller
switch (sub)
Ground
Ground
Indoor unit
Outdoor unit
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9-10. Items to Check Before the Test Run
(1) Turn the remote power switch ON at least 12 hours in
advance in order to energize the crank case heater.
(2) Fully open the closed valves on the liquid-tube and gas-
tube sides.
9-11. Preparation for Test Run
9-11-1. Switching the temperature sensor
●Temperature sensors are contained in the indoor unit
and wireless remote controller. One or the other of the
temperature sensors is used for operation.
●If (body sensor) appears on the LCD display of the
wireless remote controller, then the indoor unit body sensor
is used for operation.
To switch to the remote controller sensor, open the remote
controller cover and press the SENSOR button once. The
(body sensor) display disappears and the remote control
sensor is used for operation.
NOTE
●Even if the remote controller sensor is selected, the sensor
will be automatically switched to the indoor unit body sensor
if no temperature signal has been received from the remote
controller for 10 minutes. Install the remote controller in a
position where the signal can be reliably received by the unit.
●When group control is engaged, be sure to use the body
sensor.
9-11-2. Using the remote controller
●Face the remote controller toward the receiver (on the main
unit). (Fig. 9-8)
●The signal can be received up to a distance of approximately
8 m.
Use this distance as a guide. This distance may vary
somewhat depending on the battery capacity and other
factors.
●Be sure that there are no objects between the remote
controller and the receiver which may block the signal.
●The unit beeps when a signal is received correctly.
(For operation start only, the unit beeps twice.)
●Do not drop, throw, or wash the remote controller.
●Do not place the remote controller in locations exposed to
direct sunlight or nearby a stove.
Fig. 9-8
9-12. Test Run
Using the control unit
(1) Change the indoor control unit switch from “ON” →“TEST”.
(The outdoor unit will not operate for 3 minutes after the
power is turned ON and after operation is stopped.)
(2) All the indicator lamps blink while the test run is in
progress.
(3) Temperature control is not possible during the test run.
(4) If correct operation is not possible, the trouble will be
indicated by the indicator lamps. Refer to “Table of Self
Diagnostic Functions and Corrections” and correct the
problem.
(5) After the test is completed, change the control unit switch
from “TEST” → “ON”. Confirm that the indicator lamps
have stopped blinking. (A function is included which
cancels the test run after a 60-minute timer has elapsed, in
order to prevent continuous test run operation.)
ON
OFF
TEST
NOTE
●This mode places a large load on the devices. Use it only for
performing test runs.
●A test run is not possible if the power is turned ON with the
switch in the TEST position.
After the power has been turned ON, change the switch
once to ON or OFF, then switch it back to the TEST position.
9-13. Precautions
●Request that the customer be present when the test run is
performed. At this time, explain the operation manual and
have the customer perform the actual steps.
●Be sure to pass the manuals and warranty certificate to the
customer.
●Check that the 220 – 240 V AC wiring is not connected to the
inter-unit control wiring connector terminal.
* If 220 – 240 V AC is accidentally applied, the indoor or
outdoor unit control PCB fuse (0.5 A for both indoor and
outdoor units) will blow in order to protect the PCB. Correct
the wiring connections, then disconnect the 2P connectors
(indoor: blue) (outdoor: blue, serial 1) that are connected
to the PCB, and replace them with 2P connectors (indoor:
brown) (outdoor: brown, serial 2).
If operation is still not possible after changing the brown
connectors, try cutting the varistor (black) (both indoor and
outdoor).
(Be sure to turn the power OFF before performing this
work.) (Fig. 9-9)
OPERATION TIMER STANDBY
Receiver
<Indicators>
OPERATION TIMER STANDBY
Indoor control unit switch
Indicator lamps
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Outdoor unit control PCB
8 – 10 HP
LED1
FUSE (0.5A, F500)
OC (CN500, BLU)
MOV2
(CN301, BLK)
MOV1
(CN300, WHT)
EMG (CN502, BRN)
SILENT (CN037, WHT)
PUMP DOWN (CN048)
TEMINAL (CN205, BLK)
R.C.ADD. Rotary switch
C2 (CN020, WHT)
C1 (CN021, WHT)
TEST (CN033, RED)
TD (CN024, BLK)
TO (CN023, BLK)
TS (CN022, RED)
63PH (CN027, WHT)
EXCT
(CN030, RED)
RC P
(CN039, RED)
IC002
CTL2
(CN202, GRN)
CTL1
(CN203, GRN)
FUSE
(6.3A, F101)
N.P.CHECK
(CN046, RED) LED2
MODE (CN038)
D115
IC001 R.C.ADD. DIP switch
A.ADD (CN047)
C-CHK (CN035)
EEPROM
LED (D041 EEPROM LED)
Fig. 9-9
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9-14. Table of Self-Diagnostic Functions and Corrections
Wired remote
controller
display
(Field supply)
Indoor unit
receiver lamp
Cause
Correction
1:1 connection (Single type) Group connection
(Simultaneous multi
system)
Nothing is
displayed Nothing is
displayed • Indoor operation switch is OFF.
• Indoor unit power is not ON. • Same at left. • Set the indoor operation switch ON.
• Turn ON the indoor unit power.
E01 displayed
Operating lamp
is blinking.
• Automatic address setting has not been
completed.
• Inter-unit control wiring is cut or is not
connected correctly.
• Same at left. • Check the inter-unit control wiring.
• Perform automatic address setting
(See 9-15).
E14 displayed ——————
• Remote controller
crossover wiring is cut
or is not connected
correctly.
• Check the remote controller crossover
wiring.
• Perform automatic address setting again.
E04 displayed
Standby lamp is
blinking.
• Indoor-outdoor inter-unit wiring is not
connected correctly. • Same at left. • Connect the wiring correctly.
E06 displayed ——————
• Inter-unit control
wiring is cut or is not
connected correctly.
• Refer to 9-15 System Control, and make
the correct settings.
E15 displayed • Indoor unit capacity is too low. • Same at left. • Check that the total capacities of the indoor
and outdoor units are appropriate.
E16 displayed • Indoor unit capacity is too high. • Same at left. • Reverse 2 phases of the outdoor unit
3-phase power and connect them correctly.
P05 displayed
Operation lamp
and Standby
lamp are blinking
alternately.
• Reversed phase in the outdoor unit
single-phase or open phase in the
outdoor unit 3-phase power.
• Same at left. • Connect the units correctly.
L02 displayed
Both the
Operation lamp
and Standby
lamp are blinking
together.
• Indoor-outdoor unit type mismatch. • Same at left. • Connect the units correctly.
L13 displayed • Indoor-outdoor units are not setting
correctly. • Same at left. • Connect the units correctly.
L04 displayed —————— • Outdoor unit address is
duplicated. • Connect the units correctly.
L07 displayed ——————
• Remote controller
crossover wiring is
connected to the indoor
unit, however, it is set
for individual operation.
• Perform automatic address setting
(See 9-15).
P15 displayed
Operation lamp
and Standby
lamp are blinking
alternately.
• No gas • Same at left. • Check the refrigerant cycle (for gas leaks).
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9-15. System Control
System control refers to the link wiring connection for control of
simultaneous-operation multi systems, group control, and main-
sub remote controller control.
9-15-1. Basic wiring diagram 1
Single type
●Be careful to avoid miswiring when connecting the wires.
(Miswiring will damage the units.)
(for 3-phase outdoor unit)
Example: Using a wireless remote controller with a system
L1
L2 L
N
N
L3
1
2
1
2
12
2
1
L
N
12N
L3L2L1
Fig. 9-10
(Wiring procedure)
(1) Connect the crossover wiring to 1 and 2 on the remote
controller wiring terminal plate for units.
(2) Connect the inter-unit control wiring to 1 and 2 on the No.
1 indoor unit terminal plate, and to 1 and 2 on the outdoor
unit terminal plate.
Also connect the inter-unit control wiring between the
indoor units.
(3) When the indoor and outdoor unit power is turned ON,
automatic address setting is performed (when there is only
1 outdoor unit or when the system address is “0”).
NOTE
* If the system address is “0”, automatic address setting is
performed when the power is turned ON (in the case shown in
Basic wiring diagram 1).
This requires approximately 4 – 5 minutes (when the outdoor /
indoor unit ratio is 1:1 as shown in Basic wiring diagram 1).
During automatic address setting, LED 1 and 2 on the outdoor
unit control PCB blink alternately. These LED turn OFF when
automatic address setting is completed.
(Using a wired remote controller with a
single-type system)
1. To connect the remote controller, a
remote controller cord is required.
Leakage breaker
Leakage breaker
Out-
door
unit
Indoor
unit
4P
terminal
plate
Wired remote
controller
(Field
supply)
white black
Ground
Ground
System address (S2)
(Setting at shipment: “0”)
Leakage breaker
Leakage breaker
Outdoor unit
Inter-unit control wiring
Indoor
unit
No. 1
2P
(white)
Wireless remote
controller
Ground
Ground
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9-15-2. Setting the outdoor unit system address
For basic wiring diagram (Set the system address: 1)
ON
1
2
8 – 10 HP
LED1
FUSE (0.5A, F500)
OC (CN500, BLU)
MOV2
(CN301, BLK)
MOV1
(CN300, WHT)
EMG (CN502, BRN)
SILENT (CN037, WHT)
PUMP DOWN (CN048)
TEMINAL (CN205, BLK)
R.C.ADD. Rotary switch
C2 (CN020, WHT)
C1 (CN021, WHT)
TEST (CN033, RED)
TD (CN024, BLK)
TO (CN023, BLK)
TS (CN022, RED)
63PH (CN027, WHT)
EXCT
(CN030, RED)
RC P
(CN039, RED)
IC002
CTL2
(CN202, GRN)
CTL1
(CN203, GRN)
FUSE
(6.3A, F101)
N.P.CHECK
(CN046, RED) LED2
MODE (CN038)
D115
(POWER LED)
IC001 R.C.ADD. DIP switch
A.ADD (CN047)
C-CHK (CN035)
EEPROM
LED (D041 EEPROM LED)
Fig. 9-11
System address
No.
System address
10s digit
(2P DIP switch)
System address
1s place
(Rotary switch)
0 Automatic address
(Setting at shipment = “0”)
Both OFF
ON
12
ON
OFF
“0” setting
1 (If outdoor unit is No. 1)
Both OFF
ON
12
ON
OFF
“1” setting
9-15-3. Automatic address setting from the outdoor unit
●If the power can be turned ON separately for the indoor and
outdoor units in the system (indoor unit addresses can be
set without operating the compressor):
(1) Turn ON the indoor and outdoor unit power for refrigerant
system 1.
Press and hold the automatic address setting button
(black) for 1 second or longer at the outdoor unit where
the power was turned ON.
↓
Communication for automatic address setting begins. LED
1 and 2 on the outdoor unit control PCB blink alternately,
and turn OFF when address setting is completed.
↓<Approximately 4 – 5
minutes are required.>
(2) Next, turn ON the power only at the indoor and outdoor
units in a different system. Press the automatic address
setting button (black) on the outdoor unit.
↓
LED 1 and 2 on the outdoor unit control PCB blink
alternately, and turn OFF when address setting is
completed. Repeat the same procedure for each system
and complete automatic address setting.
↓
(3) Operation using the remote controller is now possible.
9-15-4. Indoor unit remote controller main-sub setting
●If a wired remote controller is used, set the wired remote
controller to “Sub”.
If 2 wireless remote controllers are used, set the wireless
PCB (DIP switch) on the second remote controller to “Sub”.
Outdoor unit control PCB
DIP switch
System address
System address rotary switch
(Set to “0” at time of shipment)
System address rotary switch
10s 20s ON
OFF
8 – 10 HP
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9-15-5. Indoor unit address setting
●If multiple single-type units are installed in the same room,
the addresses can be set to prevent signal interference.
By coordinating the numbers of the indoor unit (wireless
PCB) and remote controller addresses, up to 6 indoor units
can be controlled independently by their respective remote
controllers.
Independent control is not possible when a simultaneous-
operation multi system is used.
●Checking the addresses
Press the remote controller address button to display the
current address on the remote controller display.
If this address matches the indoor unit (wireless PCB)
address, the buzzer will sound.
(If ALL is set, the buzzer will always sound.)
If ALL is set, operation is possible regardless of the indoor
unit address.
Point the remote controller toward the receiver (indoor unit)
that you wish to operate, and send the operation signal.
●Remote controller address setting
Press and hold the address button for 4 seconds or longer
to display the address on the remote controller display. The
current address starts blinking.
The address changes each time the remote controller
address button is pressed: ALL →1 →2 →3 →... →6.
Set the address to match the remote controller you wish to
operate.
When the SET button is pressed, the address stops blinking
and displays for 5 seconds. The buzzer sounds if the
address matches the indoor unit.
Remote
controller
address
display
ALL 1 2 3
Indoor unit
PCB address,
DIP switch
123
6 5 4
3 2 1
ON
ON
OFF
Address
123
6 5 4
3 2 1
ON
ON
OFF
Address
123
6 5 4
3 2 1
ON
ON
OFF
Address
123
6 5 4
3 2 1
ON
ON
OFF
Address
For address switches 1, 2, and 3, turn DIP switch 1 to OFF.
For address switches 4, 5, and 6, turn DIP switch 1 to ON.
123
ON
■E1 Type (for Link Wiring)
9-16. Caution
This unit may be used in a single-type refrigerant system
where 1 outdoor unit is connected to 1 indoor unit.
●This test run explanation describes primarily the procedure
when using the wired remote controller.
●If link wiring is used, set the outdoor unit system address
to allow the combination of indoor and outdoor units to be
identified. At the same time, indicate the indoor-outdoor unit
combination number in a location where it can be checked
easily (near the indoor unit nameplates). (This number will
be required for subsequent maintenance. Refer to 9-21-2, 3,
4.)
●Request that the customer be present when the test run is
performed. At this time, explain the operation manual and
have the customer perform the actual steps.
●Be sure to pass the manuals and warranty certificate to the
customer.
●Check that the 220 – 240 V AC wiring is not connected to the
inter-unit control wiring connector terminal.
If 220 – 240 V AC is accidentally applied, the indoor or
outdoor unit control PCB fuse will blow in order to protect
the PCB. Correct the wiring connections, then disconnect
the 2P connectors (indoor: blue, OC) (outdoor: blue, serial
1) that are connected to the PCB, and replace them with 2P
connectors (indoor: brown, EMG) (outdoor: brown, serial 2).
If operation is still not possible after changing the brown
connectors, try cutting the varistor (black).
(Be sure to turn the power OFF before performing this work.)
8 – 10 HP
LED1
FUSE (0.5A, F500)
OC (CN500, BLU)
MOV2
(CN301, BLK)
MOV1
(CN300, WHT)
EMG (CN502, BRN)
SILENT (CN037, WHT)
PUMP DOWN (CN048)
TEMINAL (CN205, BLK)
R.C.ADD. Rotary switch
C2 (CN020, WHT)
C1 (CN021, WHT)
TEST (CN033, RED)
TD (CN024, BLK)
TO (CN023, BLK)
TS (CN022, RED)
63PH (CN027, WHT)
EXCT
(CN030, RED)
RC P
(CN039, RED)
IC002
CTL2
(CN202, GRN)
CTL1
(CN203, GRN)
FUSE
(6.3A, F101)
N.P.CHECK
(CN046, RED) LED2
MODE (CN038)
D115
(POWER LED)
IC001 R.C.ADD. DIP switch
A.ADD (CN047)
C-CHK (CN035)
EEPROM
LED (D041 EEPROM LED)
Fig. 9-13
Address Address Address Address
Address switch
Test
Remote controller
Sub On
Main Off
Outdoor unit control PCB
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9-17. Test Run Procedure
YES
NO
YES
YES
NO
NO
Fig. 9-14
9-18. Items to Check Before the Test Run
(1) Turn the remote power switch ON at least 12 hours in
advance in order to energize the crank case heater.
(2) Fully open the closed valves on the liquid-tube and gas-
tube sides.
9-19. Test Run Using the Remote Controller
(1) Press and hold the remote controller button for 4
seconds or longer. Then press the button.
●“TEST” appears in the LCD display during the test run.
●Temperature control is not possible when test run mode
is engaged.
(This mode places a large load on the devices. Use it
only when performing the test run.)
(2) Use either Heating or Cooling mode to perform the test
run.
Note: The outdoor unit will not operate for approximately 3
minutes after the power is turned ON or after it stops
operating.
(3) If normal operation is not possible, a code appears on the
remote controller LCD display.
Refer to “9-20. Table of Self-Diagnostic Functions and
Corrections” on the next page, and correct the problem.
(4) After the test run is completed, press the button again.
Check that “TEST” disappears from the LCD display.
(This remote controller includes a function that cancels test
run mode after a 60-minute timer has elapsed, in order to
prevent continuous test run operation.)
(5) For the test run of an inverter outdoor unit, operate the
compressors for a minimum of 10 minutes (in order to
check for open phase).
* When performing a test run using a wired remote
controller, operation is possible without attaching the
cassette-type ceiling panel.
(“P09” will not be displayed.)
Recheck the items to check
before the test run. (See 9-18)
Check the combination (wiring) of
indoor and outdoor units. (See 9-21-1)
Is system “single-type”?
Is outdoor unit multiple?
(See 9-21-2) How to Set the
Outdoor Unit System Address
Set the outdoor unit system
address.
(See 9-21-1) How to Set
Automatic Address
Set the automatic address
setting from outside unit or
remote controller.
(*) Indicate (mark) the combination number. (See 9-21-3, 4)
Turn ON the indoor and outdoor power. Automatic Address
Set the remote controller to
“test run”. (See 9-19)
Can
operation be
started?
Return the remote controller
to normal control.
Turn ON the
indoor and
outdoor power.
Automatic
Address
(See 9-20)
Refer to “Table of
Self-Diagnostic
Functions” to check
the system.
In addition, refer to
Item 9-21 and correct
any items that need to
be corrected.
Note: Check the indoor-
side drainage.
(*) Required for
simultaneous-operation
multi systems and for
group control.
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9-20. Table of Self-Diagnostic Functions and Corrections (E1 Type)
Wired remote
controller
display
Indoor unit
receiver lamp
Cause
Correction
Group connection and simultaneous-operation multi
system
Nothing is
displayed Nothing is
displayed.
• Remote controller is not connected with indoor unit
correctly.
• Indoor unit power is not ON.
Connect the remote controller correctly. Turn ON the
indoor unit power.
E01 displayed
Operation lamp
is blinking.
• Automatic address setting has not been completed.
• Inter-unit control wiring is cut or is not connected
correctly.
• Remote controller is not connected with indoor unit
correctly.
Check the remote controller and inter-unit control
wiring.
Perform automatic address setting (9-21).
E02 displayed • Remote controller is not connected with indoor unit
correctly. Connect the remote controller correctly.
E14 displayed • Remote controller crossover wiring is cut or is not
connected correctly. Check the remote controller crossover wiring.
Perform automatic address setting again.
E04 displayed
Standby lamp is
blinking.
• Indoor-outdoor inter-unit wiring is not connected
correctly. Connect the wiring correctly.
E06 displayed • Inter-unit control wiring is cut or is not connected
correctly. Refer to 9-21-1. Basic wiring diagram, and make the
correct setting.
E15 displayed • Indoor unit capacity is too low. Check that the total capacities of the indoor and
outdoor units are appropriate.
E16 displayed • Indoor unit capacity is too high.
P05 displayed
Operation lamp
and Standby
lamp are blinking
alternately.
• Reversed phase at one of the outdoor units in the group.
• Insufficient gas Reverse 2 phases of the outdoor unit 3-phase power
and connect them correctly.
Fill up the gas appropriately.
P09 displayed Timer lamp and
Standby lamp
are blinking
alternately.
• Ceiling panel connector at one of the indoor units in the
group is not connected correctly. Connect the indoor unit ceiling panel connector
correctly.
P12 displayed • DC fan trouble at one of the indoor units in the group. Check whether the fan holder is loose.
Check the wiring between the DC fan and the PCB.
L02
L13 displayed Both the
Operation lamp
and Standby
lamp are blinking
together.
• Indoor-outdoor unit type mismatch. Check that the indoor and outdoor unit types are
correct.
L07 displayed • Remote controller crossover wiring is connected to the
indoor unit, however it is set for individual operation. Perform automatic address setting (9-21).
L10 displayed • Check outdoor operation with separate maintenance-use remote controller.
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EN
FR
DE
IT
PT
GR
ES
18
35
9-21. Automatic Address Setting
9-21-1. Basic wiring diagram
●Link wiring
NOTE
●A terminal plug (black) is attached to each of the
outdoor unit control PCBs. At only one outdoor unit,
leave the terminal plug short-circuit socket on the “Yes”
side. At all the other outdoor units, change the socket
(from “Yes” to “No”).
●A maximum of 8 indoor units can be connected to 1 remote
controller for group control.
3-1
1-1
2-1
Fig. 9-15
Automatic address setting from the outdoor unit
Case 1
●If the power can be turned ON separately for the indoor and
outdoor units in the system, the indoor unit addresses can be
set without running the compressor.
(1) Turn on the indoor and outdoor unit power for refrigerant
system 1.
Press and hold the automatic address setting button
(black) for 1 second or longer at the outdoor unit where the
power was turned ON.
↓
Communication for automatic address setting begins.
↓
LED 1 and 2 on the outdoor unit control PCB blink
alternately, and turn OFF when address setting is
completed.
↓<Approximately 4 – 5 minutes are
required.>
(2) Next, turn ON the power only at the indoor and outdoor
units in a different system. Press the automatic address
setting button (black) on the outdoor unit.
↓
LED 1 and 2 on the outdoor unit control PCB blink
alternately, and turn OFF when address setting is
completed.
↓
Repeat the same procedure for each system and complete
automatic address setting.
↓
(3) Operation using the remote controller is now possible.
Case 2
●If the power cannot be turned ON separately for the indoor
and outdoor units in the system:
The compressors must be run in order to automatically set
the indoor unit addresses. Therefore perform this step after
completing the refrigerant tubing work.
(1) Turn ON the power to the indoor and outdoor units in all
refrigerant systems.
↓
When setting addresses in cooling mode
(2) Short-circuit the mode-change pin at the outdoor unit
where automatic address setting will be performed. Then
press the automatic address setting button (black).
↓
When setting addresses in heating mode
(2) Press the automatic address setting button (black) at
the outdoor unit where automatic address setting will be
performed.
↓
(3) LED 1 and 2 blink alternately. The compressors begin
running in Cooling (or Heating) mode. Communication for
automatic address setting begins, using the temperature
changes at the indoor units.
<All indoor units are in operating status.>
↓
Address setting is completed when the compressors stop
and the LED indicators turn OFF. <Approximately 15
minutes is required for 1 system.>
If address setting fails, LED 1 and 2 blink simultaneously
and the alarm contents are displayed at the remote
controller.
(4) After 1 system is completed, be sure to press the
automatic address setting button (black) at the other
outdoor units to complete automatic address setting in the
same way for each system.
(5) Operation using the remote controller is now possible.
System address
rotary switch on
the outdoor unit
PCB
Terminal plate 1, 2
Inter-unit control
wiring
(Change setting to “1”)
Refrigerant system No. 1
No. 1
Terminal plate 1, 2
Outdoor unit
(Change setting to “2”)
Refrigerant system No. 2
No. 2 Change the terminal
plug (black) short-
circuit socket
No. 3 Change the terminal
plug (black) short-
circuit socket
Remote controller
(Change setting to “3”)
Refrigerant system No. 3
Remote controller
Remote controller
Indoor unit
BigPACeng.indb35 2011/02/2313:37:56
36
Automatic address setting using the remote controller
Case 3
●If the power can be turned ON separately for the indoor and
outdoor units in each system (indoor unit addresses can be
set without running the compressor):
Individual system automatic address setting: Display item code
“A1”.
(1) Press the remote controller timer time button and
button simultaneously.
(Hold for 4 seconds or longer.)
↓
(2) Then press either the temperature setting or
button.
(Confirm that the item code is “A1”.)
↓
(3) Use either the or button to select the
outdoor unit to perform automatic address setting for. Then
press the button.
(“R.C.1” is displayed, and automatic address setting is
performed for refrigerant system 1.)
When automatic address setting for system 1 is completed,
the units return to normal stopped status.
<Approximately 4 – 5 minutes are required.>
During automatic address setting, “SETTING” blinks on the
remote controller display. This display disappears when
address setting is completed.
Case 4
●If the power cannot be turned ON separately for the indoor
and outdoor units in each system:
(The compressors must be run in order to automatically set
the indoor unit addresses. Therefore perform this step after
completing the refrigerant tubing work.)
All-systems automatic address setting: Display item code “AA”.
(1) Press the remote controller timer time button and
button simultaneously. (Hold for 4 seconds or longer.)
↓
(2) Next press the button.
(Automatic address setting is performed in sequence for
all outdoor units from No. 1 to No. 30. When automatic
address setting is completed, the units return to normal
stopped status.)
<Approximately 15 minutes is required for each system.>
↓
During automatic address setting, “SETTING” blinks on the
remote controller display. This display disappears when
address setting is completed.
Fig. 9-16
9-21-2. Setting outdoor unit system addresses
For the basic wiring diagram (Set the system addresses: 1, 2, 3...)
ON
1
2
8 – 10 HP
LED1
FUSE (0.5A, F500)
OC (CN500, BLU)
MOV2
(CN301, BLK)
MOV1
(CN300, WHT)
EMG (CN502, BRN)
SILENT (CN037, WHT)
PUMP DOWN (CN048)
TEMINAL (CN205, BLK)
R.C.ADD. Rotary switch
C2 (CN020, WHT)
C1 (CN021, WHT)
TEST (CN033, RED)
TD (CN024, BLK)
TO (CN023, BLK)
TS (CN022, RED)
63PH (CN027, WHT)
EXCT
(CN030, RED)
RC P
(CN039, RED)
IC002
CTL2
(CN202, GRN)
CTL1
(CN203, GRN)
FUSE
(6.3A, F101)
N.P.CHECK
(CN046, RED) LED2
MODE (CN038)
D115
(POWER LED)
IC001 R.C.ADD. DIP switch
A.ADD (CN047)
C-CHK (CN035)
EEPROM
LED (D041 EEPROM LED)
Fig. 9-17
System address
No.
System address
10s digit
(2P DIP switch)
System address
1s place
(Rotary switch)
0 Automatic address
(Setting at shipment = “0”)
Both OFF
ON
12
ON
OFF
“0” setting
1 (If outdoor unit is No. 1)
Both OFF
ON
12
ON
OFF
“1” setting
Outdoor unit control PCB
DIP switch
System address
System address rotary switch
(Set to “0” at time of shipment)
System address rotary switch
10s 20s ON
OFF
8 – 10 HP
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BigPACengmentuke.indd18BigPACengmentuke.indd18 2011/02/2313:43:432011/02/2313:43:43
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