
23
Technical Information
Service Manual
GWH12QC-D3DNC6A/O(CB443W02900) GWH12QC-D3DNC6A/O
GWC12QC-D3DNC6A/O(CB443W02800) GWC12QC-D3DNC6A/O
These circuit diagrams are subject to change without notice, please refer to the one supplied with the unit.
63610000444
6361000044401
INDOOR UNI
T
HEAT_L
HEAT_N
L1
L1
L1
RD
YE
BU
WARNING
minutes to prevent the risk
powered off for less than 30
running ,stopping or has been
terminal when the machine is
Please don't touch any
of electric shock !
VT
VT
BK(BN)
WH(BU)
RD(BN)
BK
WH(BU)
Heater
Band
Bottom
BLOCK
EXHAUST
OUTROOM
OUTTUBE
VALVE
MOTOR
GN(YEGN)
GN(YEGN)
YEGN
YEGN YEGN
YEGN
G
G
YEGN
SHEET
BOX
MID.ISOLATION
ELECTRICAL
X1
RING
MAGNETIC
(50k)
(15k)
(20k)
RING
MAGNETIC
RING
MAGNETIC
RD
4WAY
4-WAY
4YV
SENSOR
RT1
RT2
RT3
TEMP.
SENSOR
TEMP.
SENSOR
TEMP.
OG
WH
L
REACTOR
L2
L2
PE
COMU
AC-L
N
AP:Main Board
BU
BK
BN
U V W
SAT
OVC-COMP
RD
G
G
M
FAN
OFAN
CN2
L1
L2
POWER
3
2
N(1)
L2
L1
XT
TERMINAL
OVERLOARD
PROTECTOR
LX1-2
LX1-1
COMP
COMP.
YE RD
U
V
W
BU
L3
G
θ
θ
θ
ground only
iron shell motor.
applies to the
Motor
NOTE:
INDOOR UNI
T
G
L3
BU
W
V
U
RD
YE
COMP.
COMP
LX1-1
LX1-2
PROTECTOR
OVERLOARD
TERMINAL
XT
POWER
L2
L1
OFAN
FAN
M
G
G
RD
OVC-COMP
SAT
W
V
U
BN
BK
BU
AP:Main Board
N
AC-L
COMU
PE
L2
L2
REACTOR
L
WH
OG
RD
MAGNETIC
RING
MAGNETIC
RING
MAGNETIC
RING
X1
ELECTRICAL
MID.ISOLATION
BOX
SHEET
YEGN
G
G
YEGN
YEGN
YEGN
YEGN
GN(YEGN)
GN(YEGN)
MOTOR
BLOCK
WH(BU)
BK
RD(BN)
WH(BU)
BK(BN)
of electric shock !
Please don't touch any
terminal when the machine is
running ,stopping or has been
powered off for less than 30
minutes to prevent the risk
WARNING
BU YE RD
L1
L1
L1
CN2
θ
θ
θ
TEMP.
SENSOR
TEMP.
SENSOR
TEMP.
RT3
RT2
RT1
SENSOR
(20k)
(15k)
(50k)
OUTTUBE OUTROOM EXHAUST
3
2
N(1)
L2
L1
NOTE: Motor
applies to the
iron shell motor.
ground only