Service manual

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Solenoid valve
(oil equalizing of multi outdoor unit system)
Y2S
High pressure switch
(High pressure protection INV)
S1PH
High pressure switch
(High pressure protection STD1)
S2PH
Solenoid valve
(Receiver gas charging)
Y3S
Solenoid valve
(Hot gas bypass)
Y1S
Pressure sensor
(High pressure)
S1NPH
4 way valve
Y7S
Solenoid valve
(Non operating unit gas discharging)
Y5S
Thermistor (Suction pipe)
R2T
Thermistor (Outdoor air)
R1T
Thermistor
(Discharge pipe STD1)
R32T
Thermistor
(Discharge pipe INV)
R31T
Compressor (STD1)
M2C
Compressor (INV)
M1C
Pressure sensor (Low pressure)
S1NPL
Oil equalizing
stop valve
Liquid side stop valve
Solenoid valve
(Receiver gas discharge)
Y4S
Electronic expansion valve
(Subcooling)
Y2E
Electronic expansion valve
(Main)
Y1E
Thermistor
(Subcooling heat exchanger)
R5T
Solenoid valve
(Non operating unit liquid pipe closing)
Y6S
Thermistor (Receiver liquid pipe)
R6T
Thermistor (Oil equalizing)
R7T
Thermistor (Heat exchanger)
R4T
Gas side stop valve
Fan
Fan motor
M1F