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3 2 1
Terminal block of indoor unit
3 2 1L1 N
Terminal block
of outdoor unit
Power supply,
1 phase, 60 Hz
INDOOR UNIT OUTDOOR UNIT
Installation & service manual _6
WIRING SYSTEM DIAGRAMS
Ground wire
ACN wire
ACL wire
Communication
wire
L1
N
1
2
3
1
2
3
OUTDOOR UNIT
BU
BN
OR
ACN
ACL
CMU
INDOOR CONTROL BOARD
DISPLAY AND
RECEIVE BOARD
COMPULSIVE SWITCHING
TEMP SENSOR
PIPE SENSOR
IN FAN
STEP
MOTOR
FUSE
3.15 A
INDOOR UNIT WIRING DIAGRAM
2
2
2
5
5
9
L1
N
1
2
3
1
2
3
OUT
FAN
COMPRESSOR
HIGH
PRESSURE
SWITCH
LOW
PRESSURE
SWITCH
FUSE
3.15 A
BN
WH
BU
BU
BN
OR
CMU
ACN
COM
NO
OUTDOOR CONTROL BOARD
OUTDOOR TEMP SENSOR
CAPACITOR
RD
C
R
S
5
2
PROTECTOR
OUTDOOR UNIT WIRING DIAGRAM
INDOOR UNIT
OUTDOOR PIPE SENSOR
2
9SRA-HE | 12SRA-HE | 15SRA-HE (115V - 60Hz)
INDOOR UNIT
OUTDOOR UNIT