Grounding Work - Samsung RD080HRXGB Installation Manual

installing the unit
WIRING WORK

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
Voltage of lower than 150V
Voltage 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 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.
Note 2) Grounding at dry place
The grounding resistance is should be lower than 100Ω.

(It should not be higher than 250Ω)
 Performing the grounding work
• Use the grounding wire by referring to the specification of the electric cable for the outdoor
unit.
 When using the terminal for grounding
only
44_ installing the unit
Installation
place High humidity
Grounding terminal
Average humidity
Perform the
Note 1)
grounding work 3.
Must perform the grounding work 3.
(In case of installing circuit breaker)
 When using grounding of the switch
board
Low humidity
Perform the grounding
work 2 if possible for your
Note 2)
safety.
Note 1)
Switch board