WIRING SYSTEM DIAGRAMS
18SRA-HE 24SRA-HE (208-230V - 60Hz)
INDOOR UNIT
L1
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| 9 | DISPLAY AND |
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| RECEIVE BOARD | |
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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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| L1 | BN |
| CAPACITOR |
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| RD |
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| L2 | WH |
| PROTECTOR | R |
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| S | |||
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| C | COMPRESSOR | |||
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| HIGH |
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| PRESSURE |
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UNIT |
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| SWITCH |
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| BU | ACN | NO | LOW |
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3 | 3 | BU | COM |
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PRESSURE |
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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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| 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 
L2 
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1
Terminal block of outdoor unit
Power supply, 1 phase, 60 Hz
INDOOR UNIT
OUTDOOR UNIT
