Grounding work
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Grounding must be done by a qualified installer for your safety .
Grounding the power cable
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The standard of grounding may vary according to the rated voltage and installation place of a heating pump .
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Ground the power cable according to the following .
Installation place
Power condition
High humidity
Average humidity
Low humidity
Electrical potential of lower than 150V
Perform the grounding
work 3 .
Note 1)
Perform the grounding work 3 if
possible for your safety .
Note 1)
Electrical potential of higher than 150V
Must perform the grounding work 3 .
Note 1)
(In case of installing circuit breaker)
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Note 1) Grounding work 3
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Grounding must be done by your installation specialist .
•
Check if the grounding resistance is lower than 100 Ω .
When installing a circuit breaker that can cut the electric circuit in case of a short circuit, the allowable grounding
resistance can be 30~500 Ω .
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Examples to use cable striper
<Cable striper>
1 . Adjust the blade position by coin(the controller is at the bottom side of the tool) . Fix the
blade position according to the outer sheath thickness of the power cable .
2 . Fix the power cable and tool by using the hook at the top side of the tool .
3 . Cut out the outer sheath of the power cable by revolving the tool in the direction of the
arrow, two or three times .
4 . At this situation, cut out the outer sheath of the power cable by moving the tool toward
the arrow direction expressed .
5 . Slightly bend the wire and pull out the cut part of the outer sheath .
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ENGLISH
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2015-03-18 오전 11:53:36
