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Technical Information
2) 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
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.
• Running water pipe;
• Coal gas pipe
• Sewage pipe;
• Other places where the professional personnel think unreliable.
3) Electrical Cable Connection
Cautions!
a. 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.
b. The connection piping and connection line of each indoor unit should connect well according to the instruction.
c. The electric installation should be carried out by the technician as instructed by the local laws, regulations and also this
manual.
d. The installation location should be dry, and can’t be expose in direct sunlight or strong breeze.
e. 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
a. Open the side plate.
b. 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.
c. Fix the power cord with wire clips.
d. Let the power cord go through the rubber ring.
