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1.1 Electrical wiring
(1)
Indoor unit
Models SRK20ZIX-S,
25ZIX-S,
35ZIX-S,
50ZIX-S,
60ZIX-S
R
W
A
0
0
0
Z
2
1
5
250V
F
G
3.15A
S/N
Va
CNU
CNS
INTERFACE KIT
SC-BIKN-E
CNG
CNE
DISPLAY
WIRELESS RECEIVER
J
CNF
U
M
HEAT
1
3
4
5
6
BACK-UP SW
5
2
12
EXCHANGER
L
Th1
BOARD
CIRCUIT
PRINTED
LS
CNY
CNX2
CNX1
M
M
M
M
M
5
5
5
5
5
5
5
5
5
5
IM
RD
WH
RD
WH
BK
BL
Y
Y/G
BK
t
Th2
1
Th2
2
Th3
LM
1
LM
2
SM
1
SM
2
FM
I
DS
t
t
TO OUTDOOR UNIT
HEAT
EXCHANGER
1
2/N
3
POWER WIRES
SIGNAL WIRE
1
2/N
3
Power source
1 phase 220 - 240 V 50Hz
T
Color Marks
Blue
Black
BK
Red
BL
RD
White
WH
Yellow/Green
Y/G
Yellow
Y
Color
Mark
Heat exch. sensor
Humidity sensor (50,60 only)
Fan motor
Room temp. sensor
Flap motor
Th1
Th2
1,2
Th3
Diode stack
DS
Fuse
F
Connector
CNE-CNY
FM
I
Terminal block
T
Louver motor
LM
1,2
SM
1,2
Limit switch
LS
Inlet motor
IM
Description
Item
Varistor
Va