Gree GRS-CQ10Pd/NhH-E - Wiring Diagrams; Control Board Wiring Details

Air-to-water Heat Pump Split Versati
36
SPLIT TYPE
19. Wring Diagram
19.1 Control Board
(1) GRS-CQ4.0Pd/NhH-E GRS-CQ6.0Pd/NhH-E
CN2CN1CN4CN3CN18
CN19CN15CN16
CN10
CN9
CN8
C
N20
C
N21
C
N22
C
N23
C
N24
C
N25
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 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
CN18 Build-in water pump signal(PWM)
CN19 
CN15 20K temperature sensor (inlet water)
CN15 20K temperature sensor (outlet water)
CN15 20K temperature sensor (refrigerant liquid line)