Hitachi airHome RAD-DJ50QHAE User manual

THE CHOICE OF MOUNTING SITE (Please note the following matters and obtain permission from customer before installation).
WARNING
zThe unit should be mounted at stable, non-vibratory location
which can provide full support to the unit.
CAUTION
zNo nearby heat source and no obstruction near the air outlet
is allowed.
zThe clearance distances from top, right and left are specified
in figure below.
zThe location must be convenient for water drainage and pipe
connection with the Outdoor unit.
zTo avoid interference from noise please place the unit and its
remote controller at least 1m from the radio, television and
inverter type fluorescent lamp.
zTo avoid any error in signal transmission from the remote
controller, please put the controller far away from high-
frequency machines and high-power wireless systems.
INDOOR UNIT
!
!
Accessories to indoor Unit:
Other optional parts for display panel
wired remote controller & wireless remote
controller SPX-URFG & SPX-RKD800
Display panel
Panel installation plate
Panel cover
Remote controller kit (wireless)
Remote controller kit (wired)
Item QuantityNo.
1
2
3
4
5
1
1
1
1
1
zInstall the indoor unit
with a proper clearance
around it for operation and
maintenance working space.
zIn case that the ceiling
board can not be detected
for servicing, prepare a
service access door below
the indoor unit for removing
the indoor unit.
Electrical Box
Service Access
Door (Min. 450)
Rear Side
Front Side
Min. 1000
Min. 1000
(130)
Min. 600
View from Top
Min.
600
1
2
3
4
5
6
7
8
Figure showing the Installation of Indoor Unit.
CAUTION
!
The indoor piping should be insulated with the
enclosed insulation pipe. (If the insulator is
insufficient, please use commercial products.)
zNeed a connect for refrigerant pipe, drain pipe and F cable in the ceiling after suspending the indoor unit. Arrange the
drain pipe, refrigerant pipe and F cable in their installation position.
zFor finishing the opening on the ceiling, arrange with the builder in detail.
zIf the ceiling is already completed, connecting cables between indoor and outdoor, piping and drain piping must be done
before the fitting indoor unit.
Opening on ceiling & suspension bolt
1
Wall Penetration and Installation of Protection Pipe
zDrill a ø 65mm hole on wall which is slightly tilted towards the outdoor side. Drill the wall at a small angle.
zCut the protection pipe according to the wall thickness.
zEmpty gaps in the sleeve of protection pipe should be completely sealed with putty to avoid dripping of rain water into the
room.
Make sure that the wire is not in contact
with any metal in the wall. Please use
the protection pipe as wire passing
through the hollow part of the wall so
as to prevent the possibility of damaged
by mouse.
Preparation for installing indoor unit
2
Installation of suspension bolts
zMake sure to reinforce furring of ceiling (frame : ceiling joints and supporter) to maintain level of ceiling and prevent vibration
of ceiling plate.
zSuspension bolts should be purchased in the field.
zRefer to diagrams shown below for length of suspension bolts.
zIn case of wooden frame zIn case of steel frame
Use a protection pipe (commercial product) to protect
against the following:
-Connecting cables touching the metal lath inside
the wall.
-A possibility where a mouse can bite the cables, as
these can cause an electrical shock or fire.
-Incomplete sealing, as high humidity can cause
the water to drip.
zIn case drain piping cannot be done smoothly due to obstacles, it can also be arranged outside of the main unit as shown
in the drawing below.
zMaximum drain-up length shall not more than 500mm height.
zWhen the relative humidity of inlet or ambient air exceeds 80%, apply an (field-supplied) auxiliary drain pan beneath the
indoor unit as shown below:
Drain pipe installation
zPrepare polyvinyl chloride pipe with a 32mm outer diameter.
zBe sure to roll an insulation (thickness 10mm or more) for the drain pipe at indoor side.
zAlways draw the drain pipe downward so that water flows smoothly. Fix it (ex. by hanger) to prevent a peak and trap.
!
WARNING
!
CAUTION
No. Component’s Name
Washer (M10)
Screw (4mm)
Hose Clamp
Insulation (22IDx130)
Insulation (43IDx130)
Binder
Filter Holder
Screw for Filter Holder
8
16
1
1
1
10
2
2
Q’ty
CAUTION
Always install the indoor
unit level. Units not
installed level may leak.
!
CAUTION
zDischarge grille and suction
grille shall be covered by
insulation material to prevent
water drop.
!
Downward 1/25 ~ 1/100
Seal
Trap
Stagnant water
No insulation
Insulation (Thickness
10mm or more)
Suspension Bracket
Drain Piping (PVC Tube, VP25)
1/25 to 1/100 Down-Slope
(Field-Supplied)
(Field-Supplied)
(Field-Supplied)
(Field-Supplied)
(Field-Supplied)
90° Elbow Pipe (VP25)
Lift Piping For Drain-Up
(PVC Tube, VP25)
90° Elbow Pipe (VP25)
Indoor Unit
Drain Pan
Drain Pump Hose Clamp
To the Atmosphere
Auxiliary Drain Pan
(Field-Supplied)
(Max.) 374 to 500 (Drain-Up Length)
60 ~ 90mm square piece of lumber Insert 980 ~ 1470N
150 ~ 160mm (100 ~ 150kgf)
Reinforcing
bar
Concrete
Bend slip-
preventive metal
C type
metal
Long nut
Suspension bolt
(M10)
Suspension bolt (M10)
Suspension
bolt (M10)
Suspension
bolt (M10) Suspension
bolt (M10)
Hanger bolt
Angle
Angle
Nut
Nut
About 75
About 75
Angle
Ceiling Ceiling
H beam
Indoor Outdoor
WALL
Protection pipe
2 ~ 5mm
Seal with putty Seal with
putty
Sleeve of
protection pipe
(Unit : mm)
WARNING
CAUTION
CAUTION
CAUTION
This symbol shows that this equipment uses a
flammable refrigerant.
If the refrigerant is leaked, together with an external
ignition source, there is a possibility of ignition.
This symbol shows that the Operation Instructions
should be read carefully.
This symbol shows that a service personnel should
be handling this equipment with reference to the
Installation Manual.
This symbol shows that there is information
included in the Operation Manual and/or Installation
Manual.
Refrigerant piping must be protected
from physical damage. Install a plastic
cover or equivalent.
Be sure to
completely
seal any
gap with
putty.
Drain pipe
Must be installed separately.
Insulate indoor part of pipe
to prevent condensation.
zThe difference in height
between the indoor and
outdoor unit should be
kept below 20m.
zThe connecting pipe,
no matter big or small,
should all be insulated
with insulation pipe and
then wrapped with vinyl
tape. (The insulator will
deteriorate if it is not
wrapped with tape).
!
< SIA2371: A >
SAFETY PRECAUTION
zRead the safety precautions carefully before operating the unit.
zThe contents of this section are vital to ensure safety. Please pay special attention to the following sign.
WARNING ........ Incorrect methods of installation may cause death or serious injury.
CAUTION ......... Improper installation may result in serious consequence.
Be sure that the unit operates in proper condition after installation. Explain to customer the proper way of
operating the unit as described in the user’s guide.
(50/60QHAE) Refrigerant pipe size (outer diameter): Narrow pipe, Liquid (ø6.35mm); Wide pipe, Gas (ø12.70mm)
(70QHAE) Refrigerant pipe size (outer diameter): Narrow pipe, Liquid (ø6.35mm); Wide pipe, Gas (ø15.88mm)



z Flare nut must use a torque wrench without fail. Tighten with the specified tightening torque. If the flare nut is
tightened too much, after a long period of time, the flare nut breaks, Gas leakage, stagnation, touching fire,
rarely cause ignition.
z Sharp bending of the pipe use the polyethylene rod, bend not crushed the pipe. Gas leakage from the crushed
part, stagnation, touching fire, rarely cause ignition.
z Please request your sales agent or qualified technician to install your unit. Water leakage, short circuit or fire
may occur if you do the installation work yourself.
z Please observe the instructions stated in the installation manual during the process of installation. Improper
installation may cause water leakage, electric shock and fire.
z A brazed, welded, or mechanical connection shall be made before opening the valves to permit refrigerant to
flow between the refrigerating system parts. A vacuum valve shall be provided to evacuate the interconnecting
pipe and/or any uncharged refrigerating system part.
z Mechanical connectors used indoors shall comply with ISO 14903. When mechanical connectors are reused
indoors, sealing parts shall be renewed. When flared joints are reused indoors, the flare part shall be re-fabricated.
z Refrigerant tubing shall be protected or enclosed to avoid damage.
z Make sure that the units are mounted at locations which are able to provide full support to the weight of the
units. If not, the units may collapse and impose danger.
z Observe the rules and regulations of the electrical installation and the methods described in the installation
manual when dealing with the electrical work. Use power cables approved by the authorities of your country.
z Be sure to use the specified wire for connecting the indoor and outdoor units. Please ensure that the connections
are tight after the conductors of the wire are inserted into the terminals. Improper insertion and loose contact
may cause over-heating and fire.
z Please use the specified components for installation work. Otherwise, the units may collapse or water leakage,
electric shock and fire may occur.
z Be sure to use the specified piping set for R32. Otherwise, this may result in broken copper pipes or faults.
z When installing or removing an air conditioner, only specified refrigerant (R32) shall be allowed, do not allow
air or moisture to remain in the refrigeration cycle. Otherwise, pressure in the refrigeration cycle may become
abnormally high so that a rupture may be caused.
z Be sure to ventilate fully if a refrigerant gas leak while at work. If the refrigerant gas comes into contact with
fire, a poisonous gas may occur. Be aware that refrigerants may not contain an odour.
z After completion of installation work, check to make sure that there is no refrigeration gas leakage. If the refrigerant
gas leaks into the room, coming into contact with fire in the fan-driven heater, space heater, etc., a poisonous
gas may occur.
z Unauthorized modifications to the air conditioner may be dangerous. If a breakdown occurs please call a qualified
air conditioner technician or electrician. Improper repairs may result in water leakage, electric shock and fire, etc.
z A circuit breaker or fuse must be installed. Without a circuit breaker or fuse the danger of electric shock exists.
The external switch shall be incorporated to completely disconnect from power supply. It should disconnect all
poles, and a contact separation of at least 3mm must be present.
z Do not install the unit near a location where there is flammable gas. The outdoor unit may catch fire if flammable
gas leaks around it.
z Do not install the indoor unit in a machine shop or kitchen where vapor from oil or its mist flows to the indoor
unit. The oil will deposit on the heat exchanger, thereby reducing the indoor unit performance and may deform
and in the worst case, break the plastic parts of the indoor unit.
z Please ensure smooth flow of water when installing the drain hose.
z Piping shall be suitable supported with a maximum spacing of 1m between the supports.
CAUTION
!
WARNING
!
!
Tools Needed For Installation Work
●Carefully read through the procedures of
proper installation before starting installation
work.
●The sales agent should inform customers
regarding the correct operation of installation.
z+ – Screwdriver ●Measuring Tape
●Knife ●Saw ●ø 65mm Power Drill
●Allen Key ( 4mm)
●Wrench (14, 17, 19, 22, 24, 27mm)
●Gas Leakage Detector ●Pipe Cutter
●Plastic Tape ●Pliers ●Flare Tool
Wireless remote controller
(optional)
Wired remote controller
(optional)
Refrigerant Gas Pipe Connection
Refrigerant Liquid Pipe Connection
Drain Pipe Connection
(Gas pipe)
(Drain pipe)
(Liquid pipe)
980 (for Suspension Bolt)
(for Suspension Bolt)
Unit : mm
(for Suspension Bolt)
INSTALLATION
MANUAL
SPLIT UNIT AIR CONDITIONER
INDOOR UNIT
RAD-DJ50QHAE
RAD-DJ60QHAE
RAD-DJ70QHAE
EN INSTRUCTION MANUAL
FOR SERVICE
PERSONNEL ONLY
Home
Ducted
<IA2371: A >

Installation of Indoor Unit
3
Marking of the Positions of the Sling bolts and Piping Connections
1.Mark the positions of the sling bolts, refrigerant piping connections and drain connection.
2.Ceiling Work: it basically varies according to the building structure.
Consult with the architect or interior finish worker for more information on this.
(a) To maintain the appropriate levelness of the ceiling and preventing the vibration, the additional reinforcement in the ground
of ceiling (Building Frame) is essential.
Also, rubber cushion can be applied for the insufficient strength of the frame around the sling part on the ceiling.
(b) Provide a space for the air inlet grille, air outlet grille and maintenance work.
(c) Do not suspend the indoor unit and electric light units from the same auxiliary supporting beams, and do not connect the suspension
bolts on the indoor units. If connected, the light may flicker or the light unit may be rattled by the vibration of the indoor units.
Mounting the indoor unit
Hanging indoor unit.
1. How to put Nuts or Sling Bolts
Put nuts on each of the four hanging bolts.
2. Hanging the Indoor unit
zHook suspension bracket to the nut and washer of each hanging bolt, as shown, starting at the opposite side to service
cover side.
zAfter checking that the nut and washer are correctly fixed by the retainers of the suspension bracket, hook the suspension
bracket of the service cover side to the nut and washer. (Put the sling bolts away from the unit when hooking.)
zPiping and wiring work will be required in the ceiling after hanging the unit. Therefore, determine the drawing direction of
the pipe after selecting the installation location, particularly if the ceiling has existing piping. Wiring work should be carried
out up to the connecting positions before hanging the unit.
3. For reasons of disaster prevention, the distance between under the roof and the wall surface should be followed as shown
in the figure below.
zUse the nonflammable material for the duct.
zSelect the indoor unit position, fixing the direction of air outlet so that the cool/hot air reaches all around the room. The standard
position of the indoor unit is with the wall side on the ceiling.
zRemove the factory fitted filter and filter holders before installing of full duct type.
Inlet air direction change instructions
Connecting Return Duct and Supply Duct
1. The return duct should be connected with the indoor through canvas ducts between inlet side of the indoor unit and ceiling
of the room. The supply duct should be connected with the indoor unit through canvas ducts, in order to avoid abnormal
sound vibration. The unit is equipped with a pre-drilled duct flange for the return and supply duct connection.
2. Attach the vibration proof rubber to Sling Bolt in order to avoid abnormal sound vibration.
3. Undamped natural frequency is 9 to 21 Hz.
4. Duct material should be non-flammable material.
5. Perform the heat insulation work over the duct and the duct flange for dew protection.
zIf a lower sound level is still required, install a silencer (field-supplied).
zThe facility design should be “Unit External static Pressure = Duct Pressure Loss Suction / Discharge Loss”. If the duct
pressure loss becomes under to the unit external static pressure, air speed will get larger and lead to the occurrence of
louder noise, splashing water and activation of motor protection circuit, and if the unit external static pressure becomes
under to the duct pressure loss, some problems such as inability to change the air speed may occur. Set the airflow
control damper or shift the static pressure control switch to adjust to get almost equal level between the external static
pressure and the duct pressure loss. (See “Setting of External Pressure” section for the details.)
zBasically this unit is designed to install the ducts on the inlet side and the outlet side.
Adjusting of the Unit Level
1. Check to ensure that the foundation is flat, taking into account the maximum foundation gradient.
If not, it will occur malfunction of float switch or not operation. Then it will drop the drain water from the ceiling.
2. The unit should be installed so that the rear side of the unit is slightly (0mm to 5mm) lower than the front side, in order
to avoid the incorrect position of the drain discharge.
3. Tighten the bolts of the sling nuts with the suspension brackets after adjustment is completed. Special plastic paint must
be applied to the bolts in order to prevent them from loosening.
Keep the unit as well as relevant equipment covered with the vinyl cover during installation work.
Connection of drain pipe
4
CAUTION
!
1
1
4. If decided to keep the flange at discharge side, fix screw 2at 8 positions. However, if decided not to keep the flange,
remove 4 screws that fixed to the flange.
Field-Supplied Parts
*Sling Bolts 4-M10 or W3/8
*Nut 8-M10 or W3/8
Sling Bolts (4-M10 or W3/8)
(Field-Supplied)
Nut & Washer
(4-M10 or W3/8)
Nut (Field-Supplied)
Washer (Accessory)
Unit
False Ceiling Side
Suspension
Bracket
Material of the Wall, Frame
Flammable
Min. 100cmA
Min. 60cmB
Nonflammable
Min. 10cm
Min. 5cm
Fix in factory
Silencer
Thermal Insulation
Canvas Duct Canvas Duct Silencer
Air Inlet
Horizontal
Air Outlet
Damper for Adjusting
Air Volume
Outdoor Air
(with Air Filter)
Service Access Panel
(450mm x 450mm)
Damper for Fine
Adjusting Air Volume
Inlet Air direction
(factory supplied)
Air Filter
removing
direction Air Filter
Optional Inlet Air direction
(by changing the Back Cover)
Change Back Cover side
Back Cover
(1) Securely glue connection part of drain hose and PVC pipe, using PVC adhesive.
(2) Be sure to wrap generally-available insulator (10mm or more of foamed polyethylene) around drain hose, inside the house,
for insulation heat.
(3) Checking drain and water leakage.
Perform after connecting power.
zAdd water to water pan of indoor unit.
(4) Test run method can be done by using HHRC and WRC. Detail shall refer to service manual page “Service setting mode”.
(5) Perform a test run of the drain pump to check drainage operation.
zIf the glue between the drain hose and PVC pipe is too weak, water leakage may occur.
CAUTION
!
zIf checking of drainage is omitted, water loss may occur.
zIf drain pump test run is left set to TEST RUN, drain pump may malfunction.
CAUTION
!
Washer
Approx.50
Nut
Washer
Retaining Nut
Indoor Unit
Sling Bolt
Suspension Bracket
Right Side
(Service Cover Side)
Left Side
Unit
Suspension
Bracket
Nut &
Washer
5mm

CN20
Pipe Connection
5
After connecting the refrigerant piping, seal the refrigerant pipes by using the factory supplied insulation material.
Checking of drawing drain hose
6
Checking procedure after installation
7
8
The remote controller can be placed in its holder which is then
fixed on a wall or beam.
To operate the remote controller at its holder, please ensure that
the unit can receive the signal transmitted from the controller
at the place where the holder is
to be fixed. The unit will beep
when a signal is received from
the remote controller. The signal
transmission is weakened by
the fluorescent light. Therefore,
during the installation of the
remote control holder, please
switch on the light, even during
day time, to determine the
mounting location of the holder.
Installation of wireless remote controller (optional)
9
Setting of High static pressure
10
Protection of lead wire
12
Operation test
13
CAUTION
z The rubber strap used for fixing
the insulator should not be tied
with great force. Otherwise, this
will damage heat insulation and
causes water condensation.
!
Wrap aluminum tape around PVC tube between electric box and indoor unit (cord band).
 When connecting the wires via the wall’s recessed slot;
1. Fix the bottom casing to the wall with the provided screw.
2. Assemble the top casing to the fixed bottom casing.
(Refer to the illustration below for a detailed installation)
Wall recessed wiring installation (Optional) Inside top wiring installation (Alternative)
Wiring installation illustrations
 When the wires are to be connected from the inside top portion of top casing;
1. Break off a perforated aperture located at the top portion of the bottom
casing by nipper. Smoothen the aperture by cutter.
2. Fix the bottom casing to the wall by provided screw.
3. Connect the wires to the lead wires connector.
4. Mount the wires through the provided slot on top casing.
5. Assemble the top casing to the fixed bottom casing
(Refer to the illustration below for detail installation)
How To Connect The Optional Parts
(RAC / WiFi Adapter, Wired Remote Control)
11
[For all optional parts, please refer to the catalog for part numbers]
When connecting the Dry contact / External Communication / WiFi (Optional)
zTo connect to Dry Contact, a separate purchase HA adaptor and Dry Contact Connecting Cord is required.
zTo connect to External Communication, a separate purchase RAC adaptor is required.
zTo connect to WiFi, a separate purchase WiFi adaptor is required.
zTo install the wiring, the electrical box cover must be opened, (As for Dry Contact, connect to CN6 whereas for the WiFi
Adaptor or RAC Adaptor, connect to CN7A/CN7B.
zThe connection cord and power cables are to be arranged and tied up as the diagram shown above.
zPlease refer to the respective user manuals of the WiFi adaptor and RAC adaptor for further details.
zPlease refer to the user manual for instruction on the removal and installation of the electrical box.
zFor ordering all optional parts, please refer to the catalogue for part number.
zFor Multi Air Conditioner, please refer to Outdoor Service Manual.
[For all optional part, please refer catalog for part number]
To connect to the electrical box:
zRemove the cover of electrical box.
zConnect the connector of wired remote controller to CN20.
zAssemble back the cover of electrical box.
zPlease refer to the respective user manual of wired remote controller for further details.
zPlease be careful not to damage lead wires by edge of plate when connecting the optional parts.
WIRED REMOTE CONTROLLER
EXTERNAL COMMUNICATION
CN7A
CN20
The remote controller
must be able to
slide in the remote
controller holder,
in the direction as
shown in the figure,
until it hooks onto
the lower end of the
remote controller
holder.
Insulation for
Refrigerant Pipe
(Accessory)
Refrigerant Pipe
(Field-Supplied)
Binder
(Accessory)
Insulation for
Refrigerant Pipe
(Field-Supplied)
Insulation Material
(Factory-Supplied)
Unit
Side
Pipe Rubber strap tied with great force
(1) Connect the separate drain hose to the drain hose that is attached to the indoor unit.
(2) For keeping the smooth flowing of condensed water the drain hose should be inclined as shown in figure below.
Good
Refrigerating pipes
Drain
hose
Bad Bad Bad Bad
Drain hose
Condensed
water pond
Air pocket
Ditch
Condensed
water pond
Please ensure the smooth flow of condensed water of
the indoor unit during installation. (Carelessness may
result in water leakage.)
CAUTION
!
Be sure that the hose is not loosely
connected or bent.
CAUTION
!
7.1 Confirm the smooth water flowing from the drain hose by pouring some water into the evaporator pan.
7.2 Arrange the penetrating part of the wall presentably with the bushing for refrigerating pipes and sealer which is belonging
to the pipe set as shown in Fig. 7-1.
7.3 Wind the inadhesive vinyl tape which is belonged to the pipe set round the refrigerating pipes and the connecting cord.
7.4 Leakage checking of refrigerant at the coupling by gas leak detector or soapsuds, as shown in Fig. 7-2.
7.5 Checking of evaporator coldness (cooling operation).
7.6 Checking of warm wind from condenser (cooling operation).
Bushing for refrigerating pipes
Refrigerating pipes
Connecting cord
Protection pipe
Drain hose
Sealer
Fig. 7-1 Fig. 7-2
Be sure that the wire is not in
contact with any metal in the
wall. Please use the protection
pipe around the wire passing
through the hollow part of
the wall so as to prevent the
possibility of the wire being
damaged by a mouse.
CAUTION
!
(a) Connection to the electrical box;
zRemove the cover of electric box
zConnect the connector of wired remote controller to CN20
zAssemble back the cover of electrical box
(b) Wiring installation for wired remote controller (2 methods);
zWired remote controller casing can be opened by pressing the
slots with minus screw driver (see below diagram)
After unscrew the
band, put the wired
remote control cord
and fix back with
screw. Wired remote controller
Bottom casing
Remote Controller
zDecide the fixing location of remote controller so that the length of wire shall be within 5 meters.
zDo not cut the provided wire. Excess wire should be properly wound and fitted in a safe place.
zDo not join the wire with additional wire.
CAUTION
!
Installation of wired remote controller (optional)
Installation of display panel (Optional)
Select an installation position on ceiling or wall where
there is no obstacle to interrupt signal reception.
Loosen screws of panel installation plate so that
bracket can be slightly moved.
Match the display panel to panel installation plate so
the fixing claws on the panel are securely hooked.
Match brackets to the opening on ceiling or wall and
tighten screws until bracket is firmly secured to ceiling
material.
Install the panel cover so inside claws are securely
hooked to the panel installation plate.
Conduct the indoor unit side housing of display panel
cord to the electric box of the indoor unit and connect
it with the housing at the side of the unit.
Attach the connector of this panel to the
connector CN16 on the control PWB.
HIGH : 150pa
MEDIUM : 100pa
NORMAL : 50pa
Detail how to set static pressure shall refer to service manual page “Service setting mode”.
If not set to HIGH STATIC-PRESSURE, there will be reduction of cooling and heating capacities.
(At the time of delivery, the setting is set as “NORMAL”.)
Please disconnect wired remote
controller connector at CN20 if
to use wireless remote controller.
CAUTION
!
Connection of display panel lead wires (Optional)
Display panel
Claw
Screw
Panel installation plate
Panel cover
Display panel
Bracket
Display panel cord
Bracket
Panel cover
Ceiling or wall
(Thickness 7~18mm)
Above 50mm
Bracket
CROSS SECTION
Opening on ceiling or wall
Connection Cord
Connecting Cable
Trial run should be conducted on one unit at a time to check for incorrect wiring of connecting cord.
CAUTION
!
zPlease ensure that the air conditioner is in normal operating condition during the operation test.
zExplain to your customer the proper operation procedures as described in the user’s manual.
zIf the indoor unit does not operate, check to see that the connections are correct.
CN16
REMARK: Diagram shown is for reference only.
For SPX-URFG please refer specific manual.
5
After unscrewing the band,
put the display panel cord
and screw it back.
Lead wires are inserted through
and fastened via a rib-clip
Location of wall mounting screw
Lead wires connector
Lead wires connector
Wires
Wires
Wall mounting screws (2 pieces)
Wall mounting screws
(2 pieces) (provided)
Wires
Location of wall mounting screw
Wires
AAA size
Battery
Plug
Screw (2 pieces)
Remote
Controller
Holder
4
Remote
Controller
5
RAC Adaptor /
WiFi Adaptor
Wired remote controller
<IA2371: A >

CONNECTION OF CONNECTING CORD
Wiring Of The Indoor Unit
For wire connection of the Indoor unit, you need to remove electrical cover.
FINAL STAGE OF INSTALLATION
Insulation And Maintenance Of
Pipe Connection
1
●The connected terminals should be completed
sealed with a heat insulator and then tied
up with a rubber strap.
●Please tie the pipe and power line together
with vinyl tape as shown in the figure
showing the installation of the Indoor and
Outdoor units. Then fix their position with
holders.
●To enhance the heat insulation and to
prevent water condensation, please cover
the outdoor part of the drain hose and pipe
with insulation pipe.
●Completely seal any gap with putty.
Power Source
CAUTION
!
●Please use a new socket. An accident
may occur while using an old socket
because of the poor contact.
●Please plug in and then remove the plug
for 2 – 3 times. This is to ensure that
the plug is completely plugged into the
socket.
●Keep additional length for the power cord
and do not render the plug under external
force as this may cause poor contact.
●Do not fix the power cord with U-shape
nail.
Power Source And Operation
2
Connecting cord
Insert and fix the connecting
cords with screw.
Connect the earth screw
(green and yellow wire) After remove the band
and put the connecting
cords and fix with screw.
Insulation material for pipe connection
Putty
Putty
Sleeve of
protection pipe
●Do not use means to accelerate the defrosting process or to
clean, other than those recommended by the manufacturer. Any
unfit method or using incompatible material may cause product
damage, burst and serious injury.
●The appliance/pipe-work shall be stored in a well ventilated
room with indoor floor area larger than Amin [refer to Table 1]
and without any continuously operating ignition source. Keep
away from open flames, any operating gas appliances or any
operating electric heater. Else, it may explode and cause injury
or death.
●The appliance/pipe-work shall be installed, and/or operated in a
room with floor area larger than Amin [refer to Table 1] and keep
away from ignition sources, such as heat/spark/open flame or
hazardous areas such as gas appliances, gas cooking, reticulated
gas supply systems or electric cooking appliances, etc.
●Do not pierce or burn as the appliance/pipe-work is pressurized.
Do not expose the appliance/pipe-work to heat, flame, sparks,
or other sources of ignition. Else, it may explode and cause
injury or death.
WARNING
!
Connection of the connecting cord
(1) Remove the cover of the electric box.
(2) Connect the connecting cords.
(3) Assemble the cover of electric box.
GRN + YEL Connecting cable
40mm
50mm
Strip wires
10mm
Detail of cutting the connecting cord
• This appliance must be earthed.
• Do not make any connection in the middle of the connecting
cable. It may cause overheating, smoke emission, or fire.
WARNING
!
Preparation of pipe
• Use a pipe cutter to cut the copper pipe.
• Before flaring, please put on the flare nut. • Please use exclusive tool.
CAUTION
!
Trimming tool
Copper
pipe
Die
Die
Copper pipe
Outer Diameter
mm (inch)
6.35 (1/4")
9.52 (3/8")
12.70 (1/2")
15.88 (5/8")
1.0 ~ 1.5
1.0 ~ 1.5
1.0 ~ 1.5
1.0 ~ 1.5
Clutch type
A (mm)
1.5 ~ 2.0
1.5 ~ 2.0
1.5 ~ 2.5
1.5 ~ 2.5
Wing nut type
Thickness
(mm)
0.8
0.8
0.8
1.0
0.0 ~ 0.5
0.0 ~ 0.5
0.0 ~ 0.5
0.0 ~ 0.5
Flare tool for R32
Clutch type
Conventional flare tool
• Jagged edge will cause leakage.
• Point the side to be trimmed downwards
during trimming to prevent copper chips
from entering the pipe.
Outer dia. of
pipe
6.35 (1/4")
9.52 (3/8")
12.70 (1/2")
15.88 (5/8")
6.35 (1/4")
9.52 (3/8")
12.7 (1/2")
Valve
head cap
Torque N·m
(kgf ·cm)
14.0 – 18.0 (140 – 180)
33.0 – 42.0 (330 – 420)
50.0 – 62.0 (500 – 620)
63.0 – 77.0 (630 – 770)
19.6 – 24.5 (200 – 250)
19.6 – 24.5 (200 – 250)
29.4 – 34.3 (300 – 350)
12.3 – 15.7 (125 – 160)
Small dia. side
Large dia. side
Valve core cap
Small dia. side
Large dia. side
Pipe connection
• Please be careful when bending the copper pipe.
• Screw in the screws manually while adjusting the center. After that,
use a torque wrench to tighten the connection.
In case of removing flare nut of an indoor unit, first remove a nut of
small diameter side, or a seal cap of big diameter side will fly out.
Free from water into the piping when working.
CAUTION
!
Flare nut
Torque wrench
Wrench
zTHIS APPLIANCE MUST BE EARTHED.
WARNING
!