Installing Grounding Wire - Samsung DVM S ECO AM XMDG Series Installation Manual

Wiring work
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Installing grounding wire

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Grounding must be done by a qualified installer for you safety.
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Use the grouding wire by referring to the specification of the electric cable of the outdoor unit.
1) Grounding the power cable
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The standard of grounding may vary according to the rated voltage and installation place of the air conditioner.
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Ground the power cable according to the following.
Power condition
Installation place
High humidity
Average humidity
Low humidity
Note 1) Grounding Work 3
• Grounding work must be done by an expert (with qualification).
• Check if the grounding resistance is lower than 100
circuit within 0.5 second in case of a short circuit), allowable grounding resistance should be 30~500
Note 2) Perform ground work in a dry place
• The grounding resistance should be lower than 100
Ω
250 .
2) Performing the grounding work
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Use a rated grounding cable by referring to the specification of the electric cable for the outdoor unit
When using the terminal for grounding only
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Voltage to ground is lower than 150V
Must perform the grounding work 3.
(Including the case where earth leakage breaker is installed)
Perform grounding work 3.
Perform grounding work 3, if possible, for
Note 2)
your safety.
Ω
. When installing a earth leakage breaker (that can cut the electric
Ω
. Even in worst case, grounding resistance should be lower than
Earth terminal
Voltage to ground is over 150V
Note 1)
Must perform the grounding work 3.
(Including the case where earth leakage breaker
When using grounding of the switch board
Switch board
Note 1)
Note 1)
is installed)
Ω
.
.