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English
Wiring work
INST
ALLA
TION P
A
R
TS
Grounding work
Installing grounding wire
• Grounding must be done by a qualified installer for you safety.
• Use the grouding wire by referring to the specification of the electric cable of the outdoor unit.
Grounding the power cable
ࣕ
The standard of grounding may vary according to the rated voltage and installation place of the air
conditioner.
ࣕ
Ground the power cable according to the following.
Power condition
Installation place
Voltage to ground is lower than
150V
Voltage to ground is over 150V
High humidity
Must perform the grounding work 3.
Note 1)
(Including the case where earth leakage breaker is installed)
Average humidity
Perform grounding work 3.
Note 1)
Must perform the grounding work
ߤࢋई
Note 1)
(Including the case where earth
leakage breaker is installed)
Low humidity
Perform grounding work 3, if
possible, for your safety.
Note 2)
Note 1) Grounding Work 3
ࣕ
Grounding work must be done by an expert (with qualification).
ࣕ A˵ʪʀ̧̈˙ϩ˵ʪ˝θͱЇ͝ʒ̈͝˝θʪϑ̈ϑϩɇ͝ʀʪ̈ϑ̷ͱиʪθϩ˵ɇ͝ߢߡߡץࢋǮ˵ʪ̈͝͝ϑϩɇ̷̷̈͝˝ɇʪɇθϩ˵̷ʪɇ̧ɇ˝ʪɵθʪɇ̧ʪθ
(that can cut the electric circuit within 0.5 second in case of a short circuit), allowable grounding
θʪϑ̈ϑϩɇ͝ʀʪϑ˵ͱЇ̷ʒɵʪߤߡॄߦߡߡץࢋ
Note 2) Perform ground work in a dry place
ࣕ Ɵ˵ʪ˝θͱЇ͝ʒ̈͝˝θʪϑ̈ϑϩɇ͝ʀʪϑ˵ͱЇ̷ʒɵʪ̷ͱиʪθϩ˵ɇ͝ߢߡߡץࢋkЭʪ̈͝͝иͱθϑϩʀɇϑʪࡡ˝θͱЇ͝ʒ̈͝˝θʪϑ̈ϑϩɇ͝ʀʪ
ϑ˵ͱЇ̷ʒɵʪ̷ͱиʪθϩ˵ɇ͝ߣߦߡץࢋ
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