23
Installation and Maintenance
Service Manual
2) Earthing Requirements
● The air conditioner is classified into the Class I appliances, so its earthing must be reliable.
● 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 tapping screw;
otherwise it would cause the hazard of electric shock.
● 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.
3) Electrical Cable Connection Cautions!
①
. The mistake connecting line will result in malfunction. After the electrical wiring working, ensure the wire between the connection
place and the fixed place has a certain freedom degree.
②
. The connection piping and connection line of each indoor unit should connect well according to the instruction.
③
. The electric installation should be carried out by the technician as instructed by the local laws, regulations and also this manual.
④
. The installation location should be dry, and can't be expose in direct sunlight or strong breeze.
⑤
. Have to install a breaker in the circuit that can shut off the main power supply of the system. Besides, the air switch coupled with the
leakage current protection switch must be equipped.
4) Wiring of the Power Cord
①
. Open the side plate.
②
. Connect the power card to the terminals “L1”, “L2” and also the earthing bolt, and then connect the wiring terminals “N(1),2,3” of the
indoor unit to those of the outdoor unit correspondingly.
③
. Fix the power cord with wire clips.
④
. Let the power cord go through the rubber ring.
⑤
.Supply cords of parts of appliances for outdoor use shall not be lighter than polychloroprene sheathed flexible cord(code designation
60245 IEC 57).
CAUTIONS!
If the supply cord is damaged, it must be replaced by the manufacturer or its service agent or a similarly qualified person in order to avoid
a hazard.
Safety Precautions
Please read this manual carefully before using and operating correctly as instructed in this manual.
Please especially take notice of the following two symbols:
Warning! It indicates improper operation which will lead to human casualty or severe injury.
Caution! It indicates improper operation which will lead to injury or property damage.
Warning!
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The installation should be committed to the appointed service center; otherwise it will cause water
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Please install the unit
in a place
where is strong enough to withstand the weight of the unit; otherwise,
the unit would fall down and cause injury or death.
ƹ
The drain pipe should be installed as instructed in the manual to guarantee the proper drainage;
meanwhile it should be insulated to prevent condensing; otherwise the improper installation would cause water
leakage and then wet the household wares in the room.
ƹ
ƹ
Under the occurrence of an error (like burning smell etc.), please cut off the main power supply of the
unit.
ƹ
ƹ
ƹ
Please take notice of the supporting frame of the unit to see if it is damaged over the long time period of
use.
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or relocation of the unit.
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Non-professional personnel are prohibited to dismantle the electric box owing to the high voltage of the
outdoor unit.
An all-pole disconnection switch having a contact separation of at least 3mm in all poles should be
Caution!
ƹ
nameplate and also check its security.
ƹ
Before using the unit, please check if the piping and wiring are correct to avoid water leakage,
ƹ
The main power supply must be earthed to avoid the hazard of electric shock and never connect this
earth wire to the gas pipe, running water pipe, lightening rod or phone cable’s earth lead.
ƹ
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Do not allow children operate this unit.
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Do not operate this unit with wet hands.
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When the unit is not to be used for a long time, please cut off the main power supply of the unit.
ƹ
Do not expose the unit to the moist or corrosive circumstances.
ƹ
Never step on the unit or place any object on it.
ƹ
It is suggested to have a power-on test annually.
