Gree GRS-CQ16Pd/NhG-M - Page 44

Air-to-water Heat Pump
40
MONOBLOC
TYPE
L-OUT
Live line output
N-OUT
Neutral line output
COMM
Communication
U
To compressor phase U
V
To compressor phase V
W
To compressor phase W
(2) GRS-CQ10Pd/NhG-K, GRS-CQ12Pd/NhG-K, GRS-CQ14Pd/NhG-K, GRS-CQ16Pd/
NhG-K
CN2CN1CN4CN3CN18
CN19CN15CN16
CN10
CN9
CN8
CN20
CN21
CN22
CN23
CN24
CN25
X27X28X29X30X31X32X33X34X20X21X22X23X24X25X26
N
AC_L
X3
Silk Screen Introduction
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 Assistant heat by 220VAC
X24 Reserved
X25 Electric heater for the plate-type heat exchanger
X26 Reserved
X27 Electric magnetic 2-way valve 1 is normally open
X28 Electric magnetic 2-way valve 1 is normally closed
X29 High-power load control
X30 High-power load control
X31 Electric magnetic 3-way valve 1 is normally open (reserved)
X32 Electric magnetic 3-way valve 1 is normally closed (reserved)
X33 Electric magnetic 3-way valve 2 is normally open (water tank)
X34 Electric magnetic 3-way valve 2 is normally closed (water tank)
CN30 Signals 1, 2, 3, 4, power supply 5