Gree GWHD14NK3BO Service Manual page 15

(4)Model:GWHD(28)NK3BO
POWER
XT1
BN
21BN
L
L
BU
22BU
N
N
YEGN
9YEGN
PE
BU
N(1)
BK
2
BN
3
XTA
YEGN
6BU
BU
PE
N(1)
BK
2
BN
3
XTB
YEGN
7BU
BU
PE
N(1)
BK
2
BN
3
XTC
YEGN
8BU
BU
N(1)
BK
2
BN
3
XTD
YEGN
PE PE
OFAN
WH BK
RD
FAN MOTOR
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
11BN
AC-L1
L
L' N1
10BU
N N1
N'
FILTER AC-L2
AP2
N2
L2
E(PE)
5BU
12YEGN
PE
1BN
BK
2BN
GY
WH
RD
3BN
FA FB FC FD
EKV EKV EKV
EKV
4BN
5 5
5 5
WH BK RD YE
5 5 5 5
FA FB FC FD
TUBE-B
TUBE-A
C1
YE BU
WH BK
RD RD
BK
BK
BN
RT5 RT6 RT7
RT4
M
Liquid Valve
Gas Valve Gas Valve Liquid Valve
TEM.SENSOR TEM.SENSOR
YEGN TEM.SENSOR TEM.SENSOR
PE
WARNING
BU
N1
L3
BN
AC-L
BU
N2
T-SENSOR
L4
COM-INNER
L
OVC-COMP
BU
LX2-2
OG
WH
LX2-1
LX1-1
LX1-2
AP1: Main Board
TUBE-C HEAT-C
TUBE-D
YE
RD
RD
RD
BK BK
24RD
RT10 RT11
RT8 RT9
Gas Valve Liquid Valve Gas Valve Liquid Valve
TEM.SENSOR TEM.SENSOR TEM.SENSOR TEM.SENSOR
COMP
HEATER
Schematic Diagram
EXHAUST
RT1
TEM.SENSOR
OUTROOM
RT2
TEM.SENSOR
OUTTUBE
RT3
TEM.SENSOR
4YV
4V
20YE
P HP
HPP
19BU
18WH
17WH
L5
BU
13BU
U SAT
U
COMP.
YE 14YE
V
V
RD
15RD W
W
16YEGN
X1
PE
23RD
13