Gree VERSATI III Series - Electrical Wiring Diagrams; Control Board Component Layout

Air-to-water Heat Pump Split Versati
37
SPLIT TYPE
CN16 20K temperature sensor (refrigerant vapor line)
CN16 10K temperature sensor (leaving water for the optional electric heater)
CN16 Rreserved
CN8 Water tank temperature sensor
CN9 Remote room temperature sensor
CN7 Rreserved
CN6 Rreserved
CN5 Rreserved
CN20 Thermostat
CN21 Detection to welding protection for the optional electric heater 1
CN22 Detection to welding protection for the optional electric heater 2
CN23 Detection to welding protection for the water tank electric heater
CN24 Gate-control detection
CN25 Flow switch
CN26 Reserved
CN3 Communication with outdoor unit
CN4 Communication with control panel
HEAT-B
2WAY
4WAY
HEAT-C
OFAN
LPS-C
LPS-H
HPS
FB
FA
HPP
T-SENSOR1
T-SENSOR2
CN2
AC-L
PE
L3
Silk Screen Introduction
AC-L Live wire input of power supply
L3 Neutral wire input of power supply
PE To the ground
HEAT-B Bottom band heater
HEAT-C Compressor band heater