Multi Zone Air Conditioner
SVC MANUAL(Exploded View)
CAUTION
Before Servicing the unit, read the safety
precautions in General SVC manual.
Only for authorized service personnel.
MODEL : A4UW363FA2 [MR36TQY3JM]
960-920-03
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2. Function Table
A4UW363FA2 [MR36TQY3JM]
Category
Function
Defrost / Deicing
O
High Pressure Switch
Low Pressure Switch
Phase protection
X
X
X
Reliability
Restart Delay (3-minutes)
Self Diagnosis
O
O
Soft Start
O
Test Function
X
Auto operation(Artificial intelligence)
Auto Restart Operation
Central control(LGAP)
PDI(Power Distribution Indicator)
PI485
O
Convenience
O
O
CAC Network
Function
PQNUD1S00
PMNFP14A0
Special function kit Low ambient operation
O
-
Others
Thermistor
Note :
• O: Applied, • X: Not applied, • - : No relation,
• Option: Model name & price are different according to options, and assembled in factory with main unit.
• Accessory: Installed at field, ordered and purchased separately by the corresponding model name, supplied with separate package.
- 3 -
Only for training and service purposes
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3. Piping Diagrams
Outdoor Unit
Reversing
Valve
Th1
S/V
Room D
Field piping
Gas(Ø3/8")
Room C
Room B
Room A
Th3
Heat
Th4
Exchanger
Main service
Valve(Gas)
EEV-D
Room D
Room C
Room B
Room A
EEV-C
EEV-B
EEV-A
Field piping
Compressor
Liquid(Ø1/4")
Th2
Main service
Valve(Liquid)
REFRIGERANT FLOW
COOLING
HEATING
LOC.
Description
PCB Connector
CN_TH2
Th1 Thermistor for outdoor air temperature
Th2 Thermistor for condensing temperature
Th3 Thermistor for discharge pipe temperature
Th4 Thermistor for suction pipe temperature
CN_TH2
CN_TH3
CN_TH3
CN_H/GAS
S/V
L/P
Solenoid Valve for Hot Gas/Oil Separator
Low Pressure Switch
/CN_OIL/S
CN_PRESS
- 4 -
Only for training and service purposes
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4. Wiring Diagrams
CN_H/GAS
CN_PFC_IN
CN_OIL/S
CN_4WAY
CN_PFC_OUT
CN_TH3
CN_TH2
CN_EEV4
CN_EEV3
CN_EEV1
CN_EEV2
CN_MOTOR2
CN_MOTOR1
CN_COM
- 5 -
Only for training and service purposes
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5. Exploded View
- 6 -
Only for training and service purposes
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P/No : MFL63721213
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