Outdoor Unit | Installation Manual |
7 ELECTRICAL CONNECTIONS
WARNING
ELECTRICAL SHOCK HAZARD
Failure to follow this warning could result in personal injury or death.
•The unit cabinet must have an uninterrupted or unbroken ground to minimize personal injury if an electrical fault should occur. The ground may consist of electrical wire or metal conduit when installed in accordance with existing electrical codes.
•Before performing service or maintenance, be sure main power switch is turned OFF.
CAUTION
UNIT DAMAGE HAZARD
Failure to follow this caution may result in damage or improper operation.
•Unit failure as a result of operation on improper line voltage or excessive phase imbalance constitutes abuse and may cause damage to electrical components.
•Wrong wiring may cause a
•Do not damage or scratch the conductive core or inner insulator of the power and
Valve cover
Field power supply wires
System |
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interconnection wires | Conduit |
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Field wiring
The dashed lines show field wiring.
| (Main circuit) | (Indoor/outdoor |
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| connecting wires) |
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Input | L1 | L1 | L1 |
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power | L2 | L2 | L2 |
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208/230 V~, | Remote | ||||
| S | S | |||
60 Hz |
| controller | |||
circuit breaker | Outdoor unit | Indoor unit | |||
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ground
•Connect the indoor/outdoor connecting wires to the identical terminal numbers on the terminal block of each unit.
Incorrect connection may cause a failure.
1.With the valve cover removed the electrical control box is exposed the side of the unit.
2.Terminate the field wiring conduit (if used) at the conduit connection holes provided.
3.Route the field power wires and the system interconnection wires (indoor to outdoor). Terminate the wires at field wiring terminal blocks.
Field wiring terminal blocks
L1 L2 S L1 L2 
L1 L2 S | L1 L2 |
Ground screw |
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System interconnection | Field power |
wires | supply wires |
Wiring
All wiring and connections must comply with NEC, CEC, local codes.
1. | Connect all wires to the correct terminal on the |
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| wiring terminal blocks. |
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2. | Make sure that all connectors are secure. |
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3. | Size connectors per the ratings listed in the system |
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| requirement section. |
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4. | System interconnections should be minimum, 16 | EN |
| AWG. | |
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