◆Installation Services—Precautions on Installation
4. Ensure safe grounding and the grounding wire shall be connected with the special grounding
equipment of the building and must be installed by professional technicians. In the fixed line there
must be an electrical leakage protection switch and an air switch with sufficient capacity. The air
switch shall also have the magnetic tripping and thermal tripping functions to achieve protection of
both short-circuit and overload.
5. The minimum clearance between air conditioner and flammable surface is 1.5m.
Grounding Requirement
1. As air-conditioning unit is of Class I electrical appliance, reliable grounding measures must be taken
for it.
2. The double color (yellow and green) cable inside the air conditioner is for grounding and shall not be
used for other purposes nor can it be cut. Do not tighten with tapping screw; otherwise electric
shock will be caused.
3. The ground resistance shall be in conformity with the requirements of state standard GB17790.
4. The user power supply shall have reliable grounding terminal. It is prohibited to connect the
grounding wire to the following items:
NOTE:
1. All the electrical work must be done by qualified personnel according to relative wiring regulation and
this manual.
2. The power supply is type Y connection. 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.
3. The rated voltage and the exclusive circuit must be used.
4. Leakage circuit-breaker and air switch of correct capacity must be installed. The air switch of 32A
should be used in these models.
5. The plug must be accessible after the appliances have been positioned.
6. A air switch having a contact separation of at least 3mm in all poles should be fixed in fixed wiring.
7. Fuse size:25A/250VAC
① Water Supply Pipe ② Gas Pipe ③ Sewage Pipe
④ Other positions that are considered to be unreliable by professionals.
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