8. Piping Diagram
Outdoor Units
Service
Valve-
Liquid Pipe
(SV_L)
Service
Valve-
Gas Pipe
(SV_G)
Compressor
(COMP)
Electronic
Expansion Valve-
Main
(E_M)
Thermistor-
Discharge
pipe
(T_D)
Thermistor-
Compressor
Top
(T_CT)
Heat Exchanger -
Main(Outdoor unit)
(HX_M)
Thermistor-
IDU Heat
Exchanger Mid
(T_IM)
Thermistor-
Ambient
(T_A)
Thermistor-
Cond Out
(T_
CO
)
Solenoid valve -
4Way
(V_4W)
Thermistor-
Indoor Room
(T_IR)
Indoor
Fan Motor
(IFM)
Thermistor-
IDU
Heat
Exchanger
IN
(T_II)
Outdoor Fan Motor1 (OFM1)
Heat Exchanger -
Indoor unit
(HX_ID)
Accumulator
(AC)
INDOOR UNIT
CNH
36
4DB(AC0
36
BN4DCH/AA)+CXH
36
ADB(AC0
36
BXADCH/AA)
CNH
42
4DB(AC0
42
BN4DCH/AA)+CXH
42
ADB(AC0
42
BXADCH/AA)
CNH484DB(AC048BN4DCH/AA)+CXH48ADB(AC048BXADCH/AA)
OUTDOOR UNIT
Outdoor Fan Motor1 (OFM2)