DescriptionDesigna-
tion
Solenoid for 4-way valve20S
Auxiliary relay (for CH)52X1
Auxiliary relay (for 20S)52X3
Auxiliary relay (for DH)52X4
High pressure pressostat63H1
CapacitorC1
Compressor heaterCH
Compressor motorCM
Terminal blockCnA~Z
Current sensorCT
Drain pan heaterDH
Diode moduleDM
FuseF
Fan motorFM01
Intelligent power moduleIPM
Induction coilL/L1
Indicator lampLED1
(green for L8 SPLIT, red for L12 SPLIT)
Indicator lampLED2
(red for L8 SPLIT, green for L12 SPLIT)
Low pressure transmitterLPT
Expansion valve for coolingSM1
Expansion valve for heatingSM2
Pump downSW1, 9
Local settingsSW3, 5, 7,
8
Terminal blockTB
Temperature sensor, outdoor airTho-A
Temperature sensor, hot gasTho-D
Temperature sensor, IPMTho-IPM
Temperature sensor, heat exchanger outTho-R1
Temperature sensor, heat exchanger, inTho-R2
Temperature sensor, suction gasTho-S
77SPLIT
Miscellaneous
Electrical circuit diagram
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