Unitary Duct Split Unitary Duct Split
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2 Electric Wiring
a. The installation must be done in accordance with the national wiring regulations.
b. Only the power cord with the rated voltage and exclusive circuit for the air
conditioning can be used.
c. Do not pull the power cord by force.
d. The electric installation should be carried out by the professional personnel as
instructed by the local laws, regulations and also this manual.
e. The diameter of the power cord should be large enough and once it is damaged
it must be replaced by the dedicated one.
f. The earthing should be reliable and the earth wire should be connected to the
dedicated device of the building by the professional personnel. Besides, the air switch
coupled with the leakage current protection switch must be equipped, which is of
enough capacity and of both magnetic and thermal tripping functions in case of the
short circuit and overload.
3 Earthing Requirements
a. The air conditioner is classified into the Class I appliances, so its earthing must
be reliable.
b. The yellow-green line of the air conditioner is the earth line and can not be used
for other purpose, cut off or fixed by the self-tapping screw; otherwise it would cause
the hazard of electric shock.
c. The reliable earth terminal should be provided and the earth wire can not be
connected to any of the following places
：
①
Running water pipe;
②
Coal gas pipe;
③
Sewage pipe;
④
Other places where the professional personnel think unreliable.
4 Accessories for Installation
Refer to the packing list for the accessories of the indoor and outdoor units
respectively.
