Gree GWHD14NK3BO Service Manual page 14

Schematic Diagram
(2)Model:GWHD(24)NK3DO
POWER
BN
L
BU
N
YEGN
PE
YEGN
YEGN
(3)Models:GWHD(24)NK3EO
XT1
BN(BK)
L
L
BU(WH)
N
N
YEGN(GN)
9YEGN
POWER
TERMINAL
BLOCK
BU
N(1)
BK
2
BN
3
XTA
YEGN
PE
TERMINAL
BLOCK
BU
N(1)
BK
2
BN
3
XTB
YEGN
PE
TERMINAL
BLOCK
BU
N(1)
BK
2
BN
3
XTC
YEGN
PE
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!
12
11BN
21BN L1
XT1
AC-L1
L L'
L
N
N
N' N1
22BU
FILTER
10BU
9YEGN
L3
5BU
1BN
BU
N(1)
BK
2
BN
3
XTA
BK
6BU
PE 2BN
BU
GY
N(1)
BK
2
BN
3
XTB
PE
FA
EKV
5 5
WH BK
5
5
FA
OFAN
C1
WH BK YE BU
WH
RD BN BK
M
Gas Valve
YEGN
TEM.SENSOR
PE
FAN MOTOR
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!
L1
21BN
11BN
AC-L1
L
L'
N
N1
N'
22BU
10BU
FILTER
PE
AP2: Filter Board
L3
5BU 1BN
6BU
BK
2BN
GY
WH
7BU
ELECTRONIC
EXPANSION VALVE
FB
FA
3BN
EKV
EKV
5
5
BK RD
WH
5
5
FA FB
TUBE-A
OFAN
CAP.
WH BK YE BU
WH
C1
RD
BN BK
RT4 RT5
M
YEGN QA
YA
Liquid Valve
Gas Valve
PE
TEM.SENSOR Tem.Sensor
FAN MOTOR
WARNING
BU
N1
N1
L2
BN
AC-L2
AC-L
BU
AP2
N2
N2
E(PE)
12YEGN
PE
L4
COM-INNER
FB
L
BU
EKV LX2-2
OG
WH
LX2-1
LX1-1
LX1-2
FB
AP1: Main Board
TUBE-A TUBE-B
BK
RD
RD
BK
RT6 RT7
RT4 RT5
Liquid Valve
Liquid Valve
Gas Valve
TEM.SENSOR
TEM.SENSOR TEM.SENSOR
BU
N1
N1
L2
BN
AC-L2
AC-L
BU
N2 N2
E(PE)
12YEGN
PE
L4
COM-INNER
FC
L
BU
LX2-2
EKV
OG
WH
5
LX2-1
5
LX1-1 LX1-2
FC
AP1: Main Board
TUBE-C
TUBE-B
RD
BK
RD
RD
RD
BK
BK
RT8 RT9
RT6 RT7
QB
YB QC YC
Liquid Valve
Gas Valve Liquid Valve Gas Valve
Tem.Sensor
Tem.Sensor Tem.Sensor Tem.Sensor
BK
EXHAUST
RT1
TEM.SENSOR
OUTROOM
T-SENSOR
RT2
TEM.SENSOR
WH
OUTTUBE
RT3
TEM.SENSOR
4YV
4V
20YE
P
HPP HP
19BU
18WH
OVC-COMP
17WH
L5
BU 13BU
U
14YE
YE
V
RD
15RD
W
HEAT-C
X1
24RD 23RD
COMP
HEATER
BK
EXHAUST
RT1
TEM.SENSOR
OUTROOM
T-SENSOR
RT2
TEM.SENSOR
WH
OUTTUBE
RT3
TEM.SENSOR
4YV
4-WAY
4V
VALVE
20YE
High Pressure Switch
HPS
P
HPP
19BU
18WH
OVC-COMP
17WH
SAT
L5
BU
13BU
U
14YE
YE
V
V
RD 15RD
W
X1
PE
HEAT-C
24RD
23RD
Compressor
Band Heater
SAT
U
COMP.
V
W
16YEGN
PE
Overload
Protector
U
COMP
COMP.
W
16YEGN