39
Technical Information
Service Manual
These wiring diagrams are subject to change without notice; please refer to the one supplied with the unit.
GWHD(42)NK6OO(LC)(LH) GWHD(42)NK6OO(LC)
L
N
TERMINAL
BLOCK
INDOOR UNIT
A
N(1)
3
2
XTA
N(1)
3
2
N(1)
3
2
XTB
XTC
XTD
2
3
N(1)
TERMINAL BLOCK
TERMINAL BLOCK
TERMINAL BLOCK
TERMINAL BLOCK
L2
L2
L6
L6
L6
L6
L6
L5
L5
L4
L4
L3
L3
INDOOR UNIT
DI
NDOOR UNIT
CI
NDOOR UNIT
B
EH
BOTTOM
HEATER
BAND
FAN MOTOR
OPTIONAL
OPTIONAL
OPTIONAL
N
AC-L
T-SEN
AP1: Main Board
FD
FC
FB
FA
COM-IN
(yellow)
(red)
(black)
(white)
N2
M
HPP
4WAY
WARNING
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!
POWER
20K
50K
CN803
RT3
θ
θ
θ
θ
θ
θ
θ
θ
RT2A RT2B RT2C RT2D
CN802
20K
20K
RT3A RT3B RT3C RT3D
20K
20K
20K
20K
20K
RT2
RT1
θ
θ 15K θ
PE
XT
20K
BU
BN
L
N
OUTTUBE
TEMP.
SENSOR
OUTROOM
TEMP.
SENSOR
EXHAUST
TEMP.
SENSOR
LIQUID PIPE
TEMP.
SENSOR
N
E1
GAS PIPE
TEMP.
SENSOR
N-OUT
AC-L
AP2
L-OUT BN
Main Board
BU
PE
YEGN
RD
WH
GY
BK
EKV
BU
BK
BN
YEGN
YEGN
BN
BK
BU
YEGN
BN
BK
BU
YEGN
BN
BK
BU
BN
BU
BN
BU
BN
BU
MAGNETIC
RING
BN(BK)
BU
YEGN
MAGNETIC
RING
MAGNETIC
RING
EKV
EKV
EKV
BU
HPS
P
PE
PE
PE
PE
BN
BU
ELECTRONIC
EXPANSION
VALVE A
ELECTRONIC
EXPANSION
VALVE B
ELECTRONIC
EXPANSION
VALVE C
ELECTRONIC
EXPANSION
VALVE D
SWITCH
HIGH PRESSURE
L1
L1
COMP.
RD
YE
BU
W
V
L1
U
COMP
4YV
4-WAY VALVE
VT
VT
RD
RD
WH
WH
X1
PROTECTOR
OVERLOAD
SAT
WH
WH
W(RD)
U(BU)
V(YE)
OFAN
HEAT-B
COMP-OVC
MAGNETIC
RING
MAGNETIC
RING
600007066430
5. Electrical Part
