Panasonic S-80MW1E5 User manual

85464849343000 REFERENCE NO.SM830243-00
Indoor Unit
Order No. SBPAC1509011CE
Air-to-Water INDOOR UNIT
Type Indoor Unit Type
Rated Capacity
80 125
W1 Air-to-Water S-80MW1E5 S-125MW1E5
SERVICE MANUAL & TEST RUN SERVICE MANUAL
●Connectable outdoor unit lineup
This document is the Service Manual of the indoor unit.
For outdoor unit, refer to the Service Manual of the outdoor unit.
Type Outdoor Unit Type 8 hp 10 hp 12 hp 14 hp 16 hp
MF2 3WAY VRF System U-8MF2E8 U-10MF2E8 U-12MF2E8 U-14MF2E8 U-16MF2E8
September 2015
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IMPORTANT!
Please Read Before Starting
This Air-to-Water must be installed by the sales dealer or
installer.
This information is provided for use only by authorized
persons.
Be sure to read the installation instructions relevant to
the VRF system connected to this Air-to-Water and all
appliances connected to the VRF system.
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.
This Air-to-Water shall be installed in accordance with
National Wiring Regulations.
For water circuit installation work, follow to relevant
European and national regulations (including EN61770)
and local plumbing and building regulation.
The unit is only for use in a closed water system.
Utilization in an open water circuit may lead to excessive
corrosion of water piping and risk of incubating bacteria
colonies, particularly Legionella, in water.
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
personal 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.
WARNING
Do not modify the wiring of indoor/outdoor
unit for installation of other components
(i.e. heater, etc). Overloaded wiring or wire
connection points may cause electrical
shock or fire.
CAUTION
Do not apply excessive force to water
pipes that may damage the pipes. If water
leakage occurs, it will cause flooding and
damage to other properties.
Carry out drainage piping as mentioned in installation
instructions. If drainage is not perfect, water may enter the
room and damage the furniture.
SPECIAL PRECAUTIONS
WARNING
WARNING When Wiring
Risk of Electric Shock
WARNING
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.
•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.
•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.
•This equipment is strongly recommended
to be installed with Earth Leakage
Circuit Breaker (ELCB) or Residual
Current Device (RCD). Otherwise, it may
cause electrical shock and fire in case
of equipment breakdown or insulation
breakdown.
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 or Air-to-Water can cut your
fingers.
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When Installing…
Select an installation location which is
rigid and strong enough to support or
hold the unit, and select a location for
easy maintenance.
…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.
WARNING
CAUTION
Keep the fire alarm and
the air outlet at least
1.5 m away from the unit.
…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.
…In laundry rooms
Do not install in laundry rooms. Indoor
unit is not drip proof.
When Connecting Refrigerant Tubing
Pay particular attention to refrigerant
leakages.
WARNING
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.
•If the refrigerant comes in contact
with a flame, it produces a toxic gas.
•Do not add or replace refrigerant
other than specified type. It may
cause product damage, burst and
injury, etc.
•Ventilate the room immediately, 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 toxic gas.
•Keep all tubing runs as short as
possible.
•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
chips or bits of wiring have been left
inside the unit.
WARNING
WARNING
•This product must not be
modified or disassembled under
any circumstances. Modified or
disassembled unit may cause fire,
electric shock or injury.
•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.
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WARNING
CAUTION
• Do not touch the air inlet or the
sharp aluminum fins of the
outdoor unit. You may get injured.
• Ventilate any enclosed areas when
installing or testing the refrigeration
system. Leaked refrigerant gas, on
contact with fire or heat, can produce
dangerous 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 toxic gas.
Others
WARNING
CAUTION
• Do not sit or step on the unit, you
may fall down accidentally.
• Do not touch the air inlet or the
sharp aluminum fins of the
outdoor unit. You may get injured.
• Do not stick any object into the
FAN CASE.
You may be injured and the unit
may be damaged.
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— CONTENTS —
Section 1: CONTROL FUNCTIONS-Outdoor Unit ..............................1-1
* Refer to the Service Manual of Outdoor Unit.
Section 2: CONTROL FUNCTIONS-Indoor Unit ...............................2-1
1. Running Mode ..........................................................2-2
2. Heating Mode Operation ...................................................2-2
3. Cooling Mode Operation ...................................................2-2
4. Tank Mode Operation......................................................2-3
5. Heating Curve Function ....................................................2-4
6. Room Thermostat Control (Optional)..........................................2-5
7. External Room Thermostat Control (Optional). . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-6
8. Water Pump Control ......................................................2-7
9. Flow Switch Control .......................................................2-7
10. Electric Heater Control.....................................................2-8
11. Sterilization Mode ........................................................2-8
12. 2-Way Valve Control (Optional) ..............................................2-9
13. External Water Pump (Optional) ............................................2-10
14. External Device Ready Demand (Signal Output/Input) (Optional). ..................2-11
15. Antifreeze Control .......................................................2-13
16. Troubleshooting Guide ....................................................2-14
Section 3: OUTDOOR UNIT REPAIR PROCEDURES ...........................3-1
* Refer to the Service Manual of Outdoor Unit.
Section 4: OUTDOOR UNIT MAINTENANCE REMOTE CONTROLLER ............4-1
* Refer to the Service Manual of Outdoor Unit.
Section 5: REMOTE CONTROLLER FUNCTIONS .............................5-1
1. Simple Settings Function ...................................................5-2
2. Detailed Settings Function..................................................5-4
3. Detailed Settings Function for Air-to-Water .....................................5-7
4. Remote Controller Servicing Functions .......................................5-10
Section 6: TROUBLE DIAGNOSIS ..........................................6-1
* Refer to the Service Manual of Outdoor Unit.
Section 7: TEST RUN from the remote controller (CZ-RTC5) ....................7-1
1. Test Run................................................................7-2
2. Auto Address Setting ......................................................7-3
3. Test Run for Water Circuit ..................................................7-4
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1. CONTROL FUNCTIONS-Outdoor Unit
* Refer to the Service Manual of Outdoor Unit.
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2. CONTROL FUNCTIONS-Indoor Unit
1. Running Mode .........................................................2-2
2. Heating Mode Operation .................................................2-2
3. Cooling Mode Operation ................................................2-2
4. Tank Mode Operation ...................................................2-3
5. Heating Curve Function .................................................2-4
6. Room Thermostat Control (Optional) ......................................2-5
7. External Room Thermostat Control (Optional) ...............................2-6
8. Water Pump Control ....................................................2-7
9. Flow Switch Control ....................................................2-7
10. Electric Heater Control ..................................................2-8
11. Sterilization Mode ......................................................2-8
12. 2-Way Valve Control (Optional)............................................2-9
13. External Water Pump (Optional)..........................................2-10
14. External Device Ready Demand (Signal Output/Input) (Optional) .............2-11
15. Antifreeze Control .....................................................2-13
16. Troubleshooting Guide .................................................2-14
Contents
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1. Running Mode
When switching on the power for the first time after installation, it is necessary to make the initial setting.
⇒Refer to Installation Instructions.
Unit mode Running mode Water outlet setting range
Tank Tank 35 ˚C ~ 65 ˚C
Air Conditioning Heat 25 ˚C ~ 45 ˚C
Cool 5 ˚C ~ 20 ˚C
The Water outlet temperature is set at the factory shipment.
It is possible to control the room temperature by detailed setting change.
Optional Thermo Sensor Use setting
Code no.(DN): 06
Data
00 Disconnected (default) ⇒See sections 2 ~ 4
01 Remote controller ⇒See section 6
02 Remote sensor ⇒See section 6
03 External thermo ⇒See section 7
2. Heating Mode Operation
The water outlet sensor 2 (BL) will detect the Water outlet temperature.
The thermostat is turned ON or OFF according to the following ΔTw.
ΔTw (Heat) = Setting water temperature –Water outlet temperature
Thermo ON Conditions = a and b
a. Heating mode or Tank mode
b. ΔTw(Heat) ≥Thermo ON margin
Thermo OFF conditions = a and b and c
a. Heating mode or Tank mode
b. ΔTw (Heat) ≤Thermo OFF margin
c. Not in Force Thermo ON
3. Cooling Mode Operation
The thermostat is turned ON or OFF according to the following ΔTw.
ΔTw (Cool) = Water outlet temperature – Setting water temperature
Thermo ON Conditions = a and b and (e or c and d)
a. Cooling mode
b. ΔTw(Cool) ≥Thermo ON margin
c. Outdoor temperature <10˚C
d Inlet water temperature ≥ 7 × (Outdoor temperature -10) / (-17) + 10
e. Outdoor temperature ≥10˚C
2. Heating Mode Operation1. Running Mode
3. Cooling Mode Operation
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Thermo OFF Conditions = a and b and c
a. Cooling mode
b. ΔTw(Cool) ≤Thermo OFF margin
c. Not in Force Thermo ON
Set temp
-2
+5
ΔTw
ON OFF ON
Set temp
-2
+5
ΔTw
ON OFF ON
Cooling Heang
Thermostat Thermostat
4. Tank Mode Operation
ON/OFF timing of Tank mode operation is basically the same as Heating mode.
The maximum Water outlet temperature is 65˚C.
The Heat Pump operates at less than 45˚C of the Water outlet temperature and will stop at 45˚C.
After reaching 45˚C, the internal heater continues operating.
3. Cooling Mode Operation
4. Tank Mode Operation
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5. Heating Curve Function
5. Heating Curve Function
This function is only for Heating mode.
The Water outlet temperature is controlled automatically according to the outdoor temperature.
It is possible to change the 2 points of the heating curve by the menu setting.
It is possible to shift the Water outlet temperature of heating curve by the remote controller.
The shift range of the Water outlet temperature by the remote controller is -5˚C ~ +5˚C.
The shifted temperature is displayed in the remote controller as setting temperature.
If the shifted temperature is more than the upper limit or less than the lower limit as shown below, the shifted
temperature is limited between the upper and lower limit.
Heating Curve Function Use setting
Code No.(DN): 04
Data 00 No
01 Yes (default)
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6. Room Thermostat Control (Optional)
It is possible to set the room temperature by using the Remote controller sensor or the Remote sensor.
The thermostat is turned ON or OFF according to the following ΔTr, ΔTw.
ΔTr (Cool) = Room temperature – Setting room temperature
ΔTr (Heat) = Setting room temperature – Room temperature
ΔTw (Cool) = Water outlet temperature – Setting water temperature
ΔTw (Heat) = Setting water temperature – Water outlet temperature
Difference of air conditioning = 1˚C
* Setting water temperature in Cooling mode = Setting room temperature - 5˚C
Setting water temperature in Heating mode = Setting room temperature + 5˚C
Heating mode
Thermo ON conditions = a and b
a. ΔTr (heat) >Difference of air conditioning
b. ΔTw (heat) ≥Thermo ON margin
Thermo OFF conditions = (a or b) and c
a. ΔTr (heat) <-1 × Difference of air conditioning
b. ΔTw (heat) ≤Thermo OFF margin
c. Not in Force Thermo ON
Cooling mode
Thermo ON conditions = a and b and (e or c and d)
a. ΔTr (cool) >Difference of air conditioning
b. ΔTw (cool) ≥Thermo ON margin
c. Outdoor temperature < 10˚C
d. Inlet water temperature ≥ 7 × (Outdoor temperature -10) / (-17) + 10
e. Outdoor temperature ≥10˚C
Thermo OFF conditions = (a or b) and c
a. ΔTr (cool) < -1 × Difference of air conditioning
b. ΔTw (cool) ≤Thermo OFF margin
c. Not in Force Thermo ON
6. Room Thermostat Control (Optional)
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7. External Room Thermostat Control (Optional)
It is possible to use an external room thermostat (field supply).
It is necessary to set the Water outlet temperature by remote controller.
If the external room thermostat inputs the Thermo OFF signal to the Air-to-Water module, the Air-to-Water
module will be Thermo OFF and keeps the Thermo OFF while the signal is input.
Recommended external room thermostat
Maker Characteristics
Siemens (REV200) Touch panel
Siemens (RAA20) Analog
Connection of external room thermostat
Wire Connection and thermostat characteristic of Siemens REV200 (RAA20)
Setting Heating mode Cooling mode
L / L1 (Y1) motions L / L1 (Y1) motions
Setting Room Temp.
<Actual Temp. Open Circuit OFF Open Circuit ON
Setting Room Temp.
>Actual Temp. Short Circuit ON Short Circuit OFF
Terminal board No.10-12
Example:
7. External Room Thermostat Control (Optional)
Indoor Unit
11
12
24VDC or AC
10
ROOM THERMOSTAT
(Stac input)
Allowable contact voltage and
Current : 24VDC or AC / 6mA
SW1
CN003
SW1
*Switch (SW1) must
be upper position.
Check SW1 position
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8. Water Pump Control
According to the water piping length in the site, it is possible to adjust the pump speed from 7 steps during
the test running for the water circuit. Be sure to confirm the water flow rate and adjust it by selecting the pump
speed.
The water flow rate is controlled in 4 steps as pump tap “HH”, “H”, “L”, “LL”. Mode “HH” is the rated water flow
rate that is adjusted during the test running for the water circuit.
Just after starting the heating operation, pump tap “L” that is lower water flow rate is selected.
1 minute passed after starting the heating operation Thermo ON, and if the Water outlet temperature is 3
degree C higher than inlet water temperature, pump tap “L” will change to “HH”.
In the cooling operation thermo-ON, always selected pump tap “HH”.
When only internal heater is ON, pump tap “HH” or “H” will be selected.
Mode Thermo ON Just
after starting
Thermo ON in
stability Thermo OFF
Cooling HH HH LL
Heating L HH LL
Tank L HH STOP
9. Flow Switch Control
The water flow switch serves as an overload protector that shuts down the unit when the water level is
detected to be low.
The detection is Lo (OPEN) when there is no water flow, and the detection is Hi (Close) when there is the
water flow.
8. Water Pump Control
9. Flow Switch Control
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10. Electric Heater Control
The internal heater will be ON when heating capacity is not enough, especially low ambient temperature.
Internal heater ON condition (auxiliary heat source)
• 10 minutes from the start of operation, it is not energized.
(For the first time only, 20 minutes from the start of operation, and after 10 minutes from water pump ON)
• 20 minutes from the last heater energization is not energized.
(However, it is changed to 5 minutes after the special operations such as defrosting and oil recovery)
• Outdoor air temperature < Outdoor temperature using internal heater (0˚C)
• Water outlet temperature < Setting water temperature – Internal Heater ON differential (10˚C)
Internal heater ON condition (for Tank mode operation)
• It has passed 30 minutes of Thermo ON (Heat pump operation priority)
• Water outlet temperature ≥ 43˚C
11. Sterilization Mode
Purpose: To sterilize the water tank by setting the Temperature for sterilization (55˚C).
Control starts condition:
Tank connection menu is set to YES on the control panel.
Sterilization menu is set to YES on the control panel.
Sterilization signal received from the timer by the remote controller.
Control stop condition:
After 4 hours of operation since sterilization function starts.
Tank temperature > Temperature for sterilization – Thermo OFF margin
• Control content:
Once the sterilization function is enabled, set the target sterilization set temperature.
Target tank temperature will set back to the normal tank set temperature.
10. Electric Heater Control
11. Sterilization Mode
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12. 2-Way Valve Control (Optional)
Function of 2-Way Valve:
• Allow to use the hot water to the floor heating panel or brock cold water to floor heating panel.
Control contents:
Conditions of 2-Way Valve OPEN
When indoor unit running in heat mode
When outdoor unit under defrost control
When test run for water circuit
Valve type 0 : NO type 1 : NC type (default)
Valve State OPEN CLOSE OPEN CLOSE
Contact (15-16) No contact contact contact No contact
Terminal board Nos.15-16
Example:
12. 2-Way Valve Control (Optional)
Indoor Unit
15
16 2-WAY VALVE
(No-voltage a-contact stac output)
Allowable contact voltage and
Current : 250VAC/2A
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13. External Water Pump (Optional)
When the external pump is used, be sure to install it in independent water circuit and not direct to the Air-to-
Water heatpump indoor unit circuit.
External Pump
Air-to-Water
Heatpump indoor unit
External Water Pump Connection setting
Code no.(DN): 54
Data
00 Disconnected (default)
01 Operation signal interlocking
02 Internal Water Pump interlocking * Installation manual undescribed
During outputting the external pump, the icon will be displayed on the remote controller.
Terminal board Nos.13-14
Example:
13. External Water Pump (Optional)
Indoor Unit
13
14 EXTERNAL WATER PUMP
(No-voltage a-contact stac output)
Allowable contact voltage and
Current : 240VAC/1A
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14. External Device Ready Demand (Signal Output/Input) (Optional)
It is possible to output and input the signal of external device. The setting of changes will be necessary when
using the external device.
Existence of External Device setting
Code No.(DN): 05
Data
00 Disconnected (default)
01 Use
02 Use (No alarm) * Installation manual undescribed
External Device Ready Demand (External Device Signal Output)
Terminal Nos.17-18
If the setting is changed to “01” or “02”, a signal will be output when the heat pump capacity is insufficient.
Signal output condition = a and b and c and d and e
a. Tank mode
b. Water outlet temperature <Setting water temperature -5˚C
c. Water outlet temperature ≥ON/OFF timing of external device
d. After 20 minutes from previous External device OFF
e. Thermo ON
14. External Device Ready Demand (Signal Output/Input) (Optional)
Indoor Unit
17
18 EXTERNAL DEVICE READY DEMAND
(No-voltage a-contact stac output)
Allowable contact voltage and
Current : 250VAC/2A
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14. External Device Ready Demand (Signal Output/Input) (Optional)
External Device Notice (External Device Signal Input)
Terminal Nos.10-11
It is possible to input the alarm signal from External Device.
24V power source is necessary even if nothing is connected.
If the contact is opened continuously for 60 seconds, the icon is displayed on the remote controller. In
this condition, External Device Ready Demand is not output, but the Air-to-Water module can operate
continuously.
Terminal board Nos.10-11
Indoor Unit
11
12
24VDC or AC
10
EXTERNAL DEVICE NOTICE
(Stac input)
Allowable contact voltage and
Current : 24VDC or AC / 6mA
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