Service manual

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Solenoid valve
(Oil equalizing of multi outdoor system)
Y2S
High pressure switch
(High pressure protection STD2)
S3PH
High pressure switch
(High pressure protection STD1)
S2PH
High pressure switch
(High pressure protection INV)
S1PH
Gas side stop valve
Pressure sensor
(High pressure)
S1NPH
Solenoid valve
(Hot gas bypass)
Y1S
4 way valve
Y7S
Solenoid valve
(Non operating unit gas discharging)
Y5S
Compressor (STD2)
M3C
Compressor (STD1)
M2C
Thermistor
(Discharge pipe STD1)
R32T
Thermistor
(Discharge pipe STD2)
R33T
Thermistor (Outdoor air)
R1T
Thermistor (Oil equalizing)
R7T
Compressor (INV)
M1C
Pressure sensor (Low pressure)
S1NPL
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
Oil equalizing stop valve
Liquid side stop valve
Thermistor
(Heat exchanger)
R4T
Thermistor (Discharge pipe INV)
R31T
Thermistor (Suction pipe)
R2T
Fan
Fan motor
M1F
Solenoid valve
(Receiver gas charging)
Y3S