CODE
COMP
COMPRESSOR
PART NAME
CT1
AC CURRENT
DETECTOR
EEV
ELECTRONIC
DCFAN1
EXPANSION VALVE
OUTDOOR DC
DCFAN2
FAN MOTOR
HEAT_D CHASSIS HEATER
HEAT_Y
CRANKCASE HEATER
HIGH PRESSURE
H-PRO
SWITCH
-L ORP
LOW PRESSURE
SWITCH
SV
TP
REVERSING VALVE
T3
COMP. DISCHARGE
TEMP. SENSOR
T4
COIL TEMP. SENSOR
OUTDOOR AMBIENT
TEMP. SENSOR
COMP TOP
T2B
TEMP. SENSOR
COMP. TOP OLP
INDOOR COIL
OUTLET
TEMP.SENSOR
Notes:
This symbol indicates
the element is optional,
the actual shape shall be prevail
CN1~CN3
Output:Pin1-Pin4 Pulse waveform(0-12VDC),
Pin5 Pin6(12VDC) to EEV
IPM&PFC BOARD
MAIN CONTROL BOARD
Output:230VAC High voltage----REVERSING VALVE
Output:230VAC High voltage----CRANKCASE HEATER
Output:230VAC High voltage----CHASSIS HEATER
Input:230VAC High voltage
Output:Pin1(Connection of the high voltage)”S”
CN13 CN16 CN21 CN29
CN37
P5 P6 P9
Pin2~Pin3(230VAC High voltage)”L1&L2”
Connection to the earth
CN17~CN18
CN24~CN25
CN19~CN20
CN11 Input:Pin1,Pin3,Pin5,Pin7,Pin9(5VDC)
CN8 Input:Pin1(0-5VDC),Pin2(5VDC)
CN9 Input:Pin3 Pin4(5VDC),Pin2(0VDC),Pin1 Pin5(0-5VDC)
Pin2,Pin4,Pin6,Pin8,Pin10(0-5VDC) INDOOR COIL OUTLET TEMP.SENSOR
CN6
CN15 CN23 CN26 CN30
CN33 CN38
Communication:Pin1-Pin6 Pulse waveform(0-5VDC),Pin7,
Pin9(0VDC),Pin8(0-5VDC),Pin10(5VDC)--to IPM&PFC BOARD
CN2~CN4
CN10
Output:230VAC High voltage to IPM&PFC BOARD
Input:Pin2 Pin4(0VDC),Pin1 Pin3(0-5VDC)--H/L Pressure switch
CN14
CN2~CN3
CN9
Input:230VAC High voltage
Input:Pin1(5VDC),Pin2(0-5VDC)--COMP. TOP OLP TEMP.SENSOR
U~V~W
Communication:Pin1-Pin2 Pulse waveform(0-5VDC),Pin7,
Pin9(0VDC),Pin10(5VDC)--to outdoor main control board
Connect to compressor voltage among phases 0~250VAC
CN8 CN5
Connect to DCFAN voltage among phases 0~200VAC
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