35
ENGLISH
Installing grounding wire
X
X
Grounding must be done by a qualified installer for your safety .
X
X
Use the grounding wire by referring to the specification of the electric cable of the outdoor unit .
Grounding the power cable
X
X
The standard of grounding may vary according to the rated voltage and installation place of the air conditioner .
X
X
Ground the power cable according to the following .
Installation place
Power condition
High humidity
Average humidity
Low humidity
Voltage of lower than 150V
Perform the grounding work
3 .
Note 1)
Perform the grounding work 3 if
possible for your safety .
Note 2)
Voltage of higher than 150V
Must perform the grounding work 3 .
Note 1)
(In case of installing circuit breaker as well)
1)
Grounding work 3
• Grounding must be done by your installation specialist .
• Check if the grounding resistance is lower than 100Ω . When installing a circuit breaker that can cut the electric
circuit within 0 .5 second in case of a short circuit, the allowable grounding resistance should be 30~500Ω .
2)
Grounding at dry place
• The grounding resistance is should be lower than 100Ω . (It should not be higher than 250Ω)
- Use the rated grounding wire by referring to the specification of the electric cable of the outdoor unit .
NOTE
Performing the grounding work
X
X
Use the grounding wire by referring to the specification of the electric cable for the outdoor unit .
When using the terminal for grounding only
When using grounding of the switch board
Earth terminal
Switch Board
DVM S Eco_IM_03408A-05_EN.indd 35
2016-11-11 오후 1:27:57