Gree GWHD(18)NK6OO(LC)

37
Technical Information
Service Manual
5. Electrical Part
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GWHD(14)NK6OO(LC) GWHD(18)NK6OO(LC)
GWHD(21)NK6OO(LC)(LH) GWHD(21)NK6OO(LC) GWHD(24)NK6OO(LC)(LH) GWHD(24)NK6OO(LC)
60000706450301
600007064932
BLOCK
COM-INNER
AP1: PRINTED CIRCUIT BOARD
θ
OFAN
FAN MOTOR
TUBE-A
RT5RT4 RT6RT7
TUBE-B
TUBE-C
RT9RT8
YA QB YB QC YCQA
WH
BK RD RDBK
BK RD
BK RD
θ
θ
θ
θ θ
YEGN
BU
BN(BK)
XT1
N
L
XTA
PE
BK
BU
BN
YEGN
BU
BU BN
BN
BU
BK
GY
WH
INDOOR UNIT AINDOOR UNIT B
POWER
XTC
PE
PE
XTB
YEGN
BN
BK
BU
BK
BN
YEGN
BU BN
INDOOR UNIT C
2
3
N(1)
2
3
N(1)
2
3
N(1)
TERMINAL BLOCK
TERMINAL BLOCK
TERMINAL BLOCK
TERMINAL
Valve
Gas
VALVE
4-WAY
CN2
L
N
YEGN
BU BN
EH
RD
BOTTOM
HEATER
BAND
HEAT-B
RD
PROTECTOR
OVERLOAD
WH
WH
SAT
OVC-COMP
PE
WH
BK
RD
PE
L2
L2
L3
L3
L3
OPTIONAL
OPTIONAL
Please don't touch any electronic
component or terminal when the machine
is running , stopping or has been
powered off for less than 30 minutes to
prevent the risk of electric shock!
VALVE C
EXPANSION
ELECTRONICELECTRONIC
EXPANSION
VALVE B
EXPANSION
ELECTRONIC
EKV
EKVEKV
FCFB
FA
AC-L
N
T-SENSOR
θ
RT2
COMP
U
L1
V
W
X1
RT3
RT1
BU
YE
RD
BU
YE
RD
COMP.
OUTTUBE
OUTROOM
EXHAUST
TEMP. SENSOR
TEMP. SENSOR
TEMP. SENSOR
L1
L1
θ
θ
M1
Temp.
Sensor
Valve
LiquidLiquidGas
Sensor
Temp.
ValveValve
Sensor
Temp.
Liquid
Valve
Sensor
Temp.
Temp.
Sensor
Valve
Temp.
Sensor
Gas
VALVE A
20K
15K
50K
4WAY
VT
VT
4YV
WARNING
E
MAGNETIC
RING
MAGNETIC RING
MAGNETIC
RING