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 AMS 10-8, red for AMS 10-12)
Indicator lampLED2
(red for AMS 10-8, green for AMS 10-12)
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
NIBE™ SPLIT ACVM 27072
Miscellaneous
Electrical circuit diagram