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7
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3 ELECTRICAL D
A
T
A
3.1 Electrical wiring
Models SRK50ZHX-S, 60ZHX-S
Meaning of marks
Symbol
Parts name
Symbol
Parts name
Symbol
Parts name
CM
F
FM
I
FM
O
SM
1
SM
2
SM
3
Compressor motor
Fuse
Fan motor (Indoor)
Fan motor (Outdoor)
Flap motor (L)
Flap motor (R)
Louver motor (L)
SM
4
Louver motor (R)
SM
5
Inlet motor
20S
EEV
DS
R
T
Terminal block
LS
LIMIT sw
4 way valve (coil)
Electronic expansion valve
Diode stack
Reactor
BK
BL
BR
YE
WH
OR
YG
RD
Color symbol
Black
Blue
Brown
Yellow
White
Orange
Yellow/Green
Red
M
M
M
M
M
M
CNU
CNY
CNE
CNG
DS
DS
CNF
CNS
CNX2
CNX1
t˚
t˚
t˚
PRINTED
CIRCUIT
BOARD
250V
3.15A
F
ZNR
U
G
J
L
S/N
N
L
YG
YG
RD
RD
BK
BK
WH
WH
YE
BL
T
1 Phase
220-240V 50Hz
1
3
4
5
5
5
2
12
5
5
5
5
5
5
5
5
5
6
Th
1
SM
3
SM
4
SM
2
SM
1
SM
5
LS
Th
2
Th
3
FM
Powewr Source
INTERFACE KIT
SC-BIKN
DISPL
BACK-U
WIRELESS RECEIVER
HEAT
EXCHANGER
HD
AY
P S W
I
S-1
CNMAIN
250V
10A
F
HEAT
EXCHANGER
S
IN
R
IN
R
OUT
BK
WH
G1
YG
BR
S
O
R
O
250V 20A
F
YG
CN20S
RD
WH
PWB ASSY (SUB)
20S
2
1
N
3
2
1
N
3
T
T
Indoor unit
Outdoor unit
BK
WH
WH
BK
RD
S
R
S-2
CNSUB
C-2
M
CNTH
CNEEV
t˚
t˚
t˚
2
2
2
Th
4
Th
5
Th
6
EEV
T2
T1
250V 2A
F
F 250V 1A
250V 20A
F
R
OR
YE
CNFAN
PWBASSY (MAIN)
CIRCUIT
SWITCHING POWER
ACTIVE
FILTER
UNIT
+
+
+
BK
WH
RD
V
W
U
TRANSIS TOR
POWER
250V 20A
F
W
V
U
P
NU
NV
NW
M
M
3~
FMo
CM
Th
1
Th
4
Th
5
Th
6
Th
2,3
Room temp.sensor
Heat exch.sensor (Indoor unit)
Heat exch.sensor (Outdoor unit)
Outdoor air temp.sensor
Discharge pipe temp.sensor
ZNR
HD
Humidity sensor
Varistor