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