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5. ELECTRICAL DATA
5-1. Electric Wiring Diagrams
Indoor Unit CS-MKS9NB4U & CZ-18BT1U
CS-MKS12NB4U & CZ-18BT1U
CS-KS18NB4UW & CZ-18BT1U
8FA2-5250-46900-2
1 2 3 4 5 6
1 2 3 4 5 6
FM
DP
FAN MOTOR
DRAIN PUMP
DCM
6P (BLU)
6P (WHT)
DP
3P (BLU)
3P (RED)
PWM/POW 7P (RED) PWM/POW 7P (RED) RC
4P (WHT)
IND
7P (WHT)
FS
3P (RED)
FLAP
5P (WHT)
ROOM
2P (YEL)
COIL-1
2P (RED)
IND LAMP ASSY
FLAP (W)
FLOAT SWITCH
BOX BOX
SERIAL
2P (WHT)
SERIAL
2P (WHT)
TERMINAL BASE
CONTROLLER CONTROLLER
TO OUTDOOR UNIT
GND
FERRITE
CORE
AC1AC2 SI
1
RED
YEL
BLU
1
1
YEL/(RED)
3
3
1
1
2
1 1
2 2
1 1
2 2
2
3
3
4
4
5
5
6
6
7
7
1
1
2
2
3
3
4
4
5
5
6
6
7
7
1
1
2
2
3
3
4
4
5
5
1
1
2
2
3
3
4
4
5
5
6
6
7
7
1
1
2
2
3
3
4
4
1
1
2
2
1
1
3
3
3
3
4
4
5
5
1
1
2
2
1
1
2
2
1
1
2
2
3
3
4
4
5
5
1
1
2
2
3
3
4
4
5
5
6
6
6
6
7
7
8
8
9
9
10
10
YEL/(RED)
BRN
RED
ORG
YEL
PNK
BLU
VLT
2 3
RED
BLK
BLK
WHT
WHT
GRN/YEL
RED
WHT
GRN
WHT
BLK
GRN
BRN
RED
ORG
YEL
PNK
BLU
VLT
BLK
BLK
FLAP (R)
THERMISTOR
ROOM
COIL-1
1
1
2
2
3
3
4
4
5
5
BLK
ORG
BLU
BRN
WHT
BLK
BLK
ORG
ORG
BLU
BLU
BRN
BRN
WHT
WHT
BLK
BLK
BLK
BLK
20