Table of Contents
Advertisement
Grounding work
f Grounding must be done by a qualified installer for your safety .
f
Grounding the power cable
f The standard of grounding may vary according to the rated voltage and installation place of a heat pump .
f
f Ground the power cable according to the following .
f
Installation place
Power condition
Electrical potential of lower than 150V
Electrical potential of higher than 150V
❋ ❋ Note 1) Grounding work 3
• Grounding must be done by your installation specialist .
• Check if the grounding resistance is lower than 100 Ω .
When installing a circuit breaker that can cut the electric circuit in case of a short circuit, the allowable grounding
resistance can be 30~500 Ω .
High humidity
Average humidity
Perform the grounding
work 3 .
Must perform the grounding work 3 .
(In case of installing circuit breaker)
ENGLISH-31
Low humidity
Perform the grounding work 3 if
possible for your safety .
Note 1)
Note 1)
Note 1)
Advertisement
Table of Contents
