Gree Versati III GRS-CQ4.0Pd/NhH2-E Owner's Manual page 45

SPLIT TYPE
(2) GRS-CQ8.0Pd/NhH2-E, GRS-CQ10Pd/NhH2-E, GRS-CQ8.0Pd/NhH-M, GRS-CQ10Pd/NhH-M, GRS-
CQ12Pd/NhH-M, GRS-CQ14Pd/NhH-M, GRS-CQ16Pd/NhH-M, GRS-CQ12Pd/NhH-E, GRS-CQ14Pd/NhH-E,
GRS-CQ16Pd/NhH-E
CN20
CN21
CN22
CN23
CN24
CN26
CN25
CN8 CN10
CN9
Silk screen
AC-L Live wire of power supply
N Neutral wire of power supply
X3 To the ground
X20 E-heater of water tank
X21 E-heater 1
X22 E-heater 2
X23 Other thermal by 220VAC
X24 Reserved
X25 Reserved
X26 Reserved
X27 2-way valve 1 is normally open
X28 2-way valve 1 is normally closed
X29 Reserved
X30 Reserved
X31 Reserved
X32 Reserved
X33 Reserved
X34 3-way valve signal
CN30 Build-in water pump signal(PWM)
CN31 Back-up water pump signal(PWM)-field supply
CN18 20K temperature sensor (inlet water)
X26 X25 X26 X24 X23 X22 X21 X20 X34 X33 X32 X31 X30 X29 X28 X27
CN16 CN15 CN19 CN18 CN3 CN4
Air-to-water Heat Pump Split Versati
CN1
Introduction
41
N
AC-L
X3