Electrical Part; Wiring Diagram - GREE ELECTRIC GWHDND3EO Service Manual

5. Electrical Part

5.1 Wiring Diagram

●Instruction
Symbol Symbol Color
WH White
YE Yellow
RD Red
YEGN Yellow/Green
VT Violet
● Outdoor Unit
GWHD(18)ND3EO GWHD(18)ND3FO GWHD(18)ND3GO
COMPRESSOR
BAND HEATER
12
Symbol
GN GREEN
BN Brown
BU Blue
BK Black
OG Orange
TERMINAL
POWER
BLOCK
L2 L3
L1
L1
2 L
L2
L2
YEGN
G
XT1
TERMINAL
TERMINAL
BLOCK
BLOCK BU
BN
N(1)
N(1)
2 2
3
3
XTA
G
TERMINAL
TERMINAL
BLOCK
BLOCK
BU
N(1)
N(1)
2
2
3
3
BN
XTB
G
RD
EH
RD
WARNING
Please don't touch any terminal when
the voltage of terminal P(DC+) and
N(DC-) at AP1 is higher than 30V to
prevent the risk of electrical shock!
Symbol Color Symbol
AP2
BU
BN
N1
AC-L1
BN
3 L
BU
AC-L2
N1
BU
L4 N2
E(PE)
YEGN
G
ELECTRONIC BK
EXPANSION
EKV
5 5
VALVE B
X6
ELECTRONIC WH
EXPANSION EKV
5
5
X5
VALVE A
RD
BOTTOM
EH
BOND HEATER
RD
X2
L5
BK
L5
GY
AP1:Main Board
OFAN TUBE-A
HEAT-C
X3 WH
M1
BK RD
θ θ
G
QA RT4 YA RT5
YEGN
G
GAS PIPE LIQUID PIPE
FAN MOTOR
TEMP.SENSOR TEMP.SENSOR
Name
COMP Compressor
Grouding wire
BK RT1
N1
θ
AC-L
RT2
N2
T-SENSOR θ
WH RT3
θ
FB
VT
4YV
4WAY
FA VT
X1
L1
BU
BU
U
HEAT-B
L1
YE
YE
V
L1
RD
RD
W
COM-INNER
CONNECTOR
W
WH SAT
OVC-COMP
WH
OVERLOAD
TUBE-B PROTECTOR
X4 BK
BK RD
θ θ
QB RT6 YB RT7
GAS PIPE LIQUID PIPE
63610000144
TEMP.SENSOR TEMP.SENSOR
Service Manual
EXHAUST
TEMP.SENSOR
OUTROOM
TEMP.SENSOR
OUTTUBE
TEMP.SENSOR
4-WAY VALVE
V U
YEGN
COMP
G
COMP.
G
Technical Information