10. Installation
42
Electrical wiring work
Caution for electrical work
• You must install ELCB or MCCB + ELB
- ELCB: Earth leakage breaker
- MCCB: Molded case circuit breaker
- ELB: Earth leakage breaker
• Do not operate the outdoor unit before completing the refrigerant pipe work.
• Do not disconnect or change the cable inside the product. It may cause damage to the product.
• Specification of the power cable is selected based on following installation condition; culvert
installation/ ambient temperature 30 °C/ single multi conductor cables. If the condition is different
from the ones stated, please consult an electrical installation expert and re-select the power cable.
- If the length of power cable exceed 50m, re-select the power cable considering the voltage drop.
• Use a power cable made out of incombustible material for the insulator (inner cover) and the sheath
(outer cover).
• Do not use the power cable with the core wire exposed due to insulator damage occurred during
removal of the sheath. When the core wire is exposed, it may cause fire.
Insulator (inner cover)
Exposed wire core
<The example of exposed core wire>
Sheath (outer cover)
CAUTION