Friedrich Air Conditioner A4UW363FA2 [MR36TQY3JM] User Manual

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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