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Electrical wiring should be conducted by construction organization recognized by electric power company.
Please conduct electrical construction according to Relevant Technological Fundamentals of Electrical Equipment
and Local domestic law.
To prevent electric shock and fire accident, please set leakage protector.
(The unit is equipped with frequency converter, therefore, to prevent misoperation of leakage protector,
please adopt non-operational shock wave type of leakage protector)
Warning:
(A) Don't use wires other than copper ones.
Besides, don't use power wires with grade lower than the following ones.
• Rubber insulated shielded wire with standard toughness (wire name: 60245 IEC 53)
• Standard PVC insulated shielded wire (wire name: 60227 IEC 53)
• Don't use wires with weather fastness lower than that of the flexible neoprene shielded wire (design 245
IEC 57) as power wire for outdoor unit parts.
(B) Indoor and outdoor units should be respectively set with their own independent power supply.
(C) Power supply for all the indoor units in a system should be ensured to be simultaneously connected and
disconnected.
(D) The units should be grounded. While the ground wire should not be connected to that of gas pipe, water pipe,
lightning rod, or telephone lines. Any improper grounding may lead to electric shock or fire.
(E) Non-operational shock wave type of leakage protector must be installed. Otherwise, it may cause electric
shock and fire accidents. Power supply should not be connected before installation, and maintenance should
be conducted after the power supply is disconnected.
Besides, if ground wire is connected with gas pipe, explosion and fire may happen when the gas leaks.
(F) Never install phase capacitor for power factor improvement. (It cannot improve the power factor and may
cause abnormal overheating accident.)
(G) Please use wire tube for power supply wiring.
(H) In case of wiring outside the unit, please do not put wire of low current (remote controller and signal wire)
and that of other heavy currents through the same place. Otherwise the effect of electrical noise may lead to
misoperation.
(I) Power supply wire and signal wire must be connected to power supply wiring board. Please fix them with
wiring fixing clamp inside the unit.
(J) Prevent the wire touching the pipe during fixing.
(K) After connection of wires, please make sure the connector or terminal of electrical components in the
instrument box do not fall off and then install the box cover firmly. (If immerged in water due to improper
installation, it may cause misoperation and fault.)
(L) Please use circuit breaker with correct capacity (leakage circuit breaker and line circuit breaker). If you use
circuit breaker with a large capacity, fault, fire, etc. may be induced.
● For the parts with drainage problems in outdoor units, please use separately sold discharge pipe and metal ring
in discharge pipe construction.
9.6 Discharge pipe works
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Страница 103: ...101 Filter board MHW505A012...
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