Grounding Work - Samsung DVM PLUS III HR Installation Manual

Grounding work

• Grounding must be done by a qualified installer for your safety.
 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
potential of lower than 150V
potential of higher than
Note 1) Grounding work 3
Note 2) Grounding at dry place
 Performing the grounding work
• Use the grounding wire by referring to the specification of the electric cable for the outdoor
unit.
DVM PLUS3 HR_IM_E_32805-2.indd 35
Installation
place High humidity
Electrical
Electrical
150V
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 in case of a short
circuit, the allowable grounding resistance can be 30~500Ω.
The grounding resistance is should be lower than 100Ω.

(It should not be higher than 250Ω)
 When using the terminal for grounding
only
Grounding terminal
Average humidity
Perform the grounding
Perform the
work 2 if possible for your
Note 1)
grounding work 3.
safety.
Must perform the grounding work 3.
(In case of installing circuit breaker)
 When using grounding of the switch
board
installing the unit _35
Low humidity
Note 2)
Note 1)
Switch board
2011-11-11 오후 4:18:29