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ENGLISH
Wiring work
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X
Wiring work should be performed in accordance with related laws such as ‘Technical specification on electric installation’,
‘Wiring regulations’ or ‘Installation manual’ .
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X
Copper cable should be used for wiring work and all the wires or parts should be rated products .
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X
Wiring work should be performed by a company certified by an electric power company .
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X
Refer to the circuit diagram attached to the outdoor unit for detailed wiring work .
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X
Wiring work should be performed after disconnecting main circuit breaker and Y-joint switch .
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X
You must perform grounding work .
(Grounding resistance value should be less than 100Ω .)
When ELCB is installed, protective grounding resistance value can be applied .
(When the ELCB is 100mA, 0 .1sec, protective grounding resistance value should be less than 250Ω at a place where
electric danger is high and should be less than 500Ω at other places . )
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X
Electric wiring circuit diagram displays outline only .
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X
Do not connect a heater to an outdoor unit and do not install a duct which you arbitrarily remodeled .
- Failure to do so may result in reduced capacity of an air conditioner, electric shock, and fire .
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X
Do not connect the grounding wire to that of gas pipe, water pipe, lightning rod, or telephone .
- Gas pipe: If the gas leaks, explosion or ignition may occur .
- Water pipe: If rigid vinyl pipe is used, grounding effect will not work .
- Grounding wire and lightning rod of telephone: The electric potential of grounding wire may rise abnormally in the
falling of a thunderbolt .
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X
The ELB for ground-fault protection only should be combined with MCCB or fuse equipped load breaker switch . In this
case, you should use the one that has at least the same or more capcity as fuse capacity or the rated current of MCCB .
X
X
Use the wires that comply with regulated specification and firmly connect to the terminal board . Then tighten it with the
screws provided so that the terminal board cannot be moved by external force . (The connecting cable and the grounding
terminal should be locally procured) . When wiring, the connection cable shouldn’t be too tight .
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X
Apply silicon at the end of CD pipe so that rainwater does not enter .
Conduit leading into an outdoor unit
Silicone
DVM S Eco_IM_03408A-05_EN.indd 31
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