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SELECT INSTALLATION LOCATION (Cont)
ELECTRICAL SAFETY REQUIREMENTS
The power supply must be of rated voltage via special circuit for air-conditioner. The power supply wire gauge
is specified in page 9.
Applicable voltage range: the normal operation range of voltage is 90%～110% of rated voltage.
Do not pull the power cable with excessive force.
System grounding to be completed by a licensed technician, using National Electrical Code procedures and
UL materials. 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.
The minimum clearance between air conditioner and flammable surface is 5 ft.
GROUNDING REQUIREMENT
As air-conditioning unit is of Class I electrical appliance, reliable grounding measures must be taken
for it.
The 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.
The ground resistance shall be in conformity with the requirements of state standard.
The user power supply shall have reliable grounding terminal. It is prohibited to connect the grounding wire to
the following items:
Water Supply Pipe
Gas Pipe
Sewage Pipe
Other positions that are considered to be unreliable by professionals.