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PART Ⅱ Installation and Maintenance
1. Notes for installation and maintenance
Safety Precautions
Important!
Please read the safety of precautions carefully before installation and maintenance. The following contents are
very important for installation and maintenance. Please follow the instructions bellow.
● The installation or maintenance must accord with the instructions.
● Comply with all national electrical codes and local electrical codes.
● Pay attention to the warnings and cautions in this manual.
● All installation and maintenance shall be performed by distributor or qualified person.
● All electric work must be performed by licensed technician according to local regulations and instructions given
in this manual.
● Be caution during installation and maintenance. Prohibit incorrect operation to prevent electric shock, casualty
and other accidents.
Warnings
Electrical safety Precautions.
1) Cut off the power supply of air conditioner before checking and maintenance.
2) The air conditioner must apply specialized circuit and prohibit share the same circuit with other appliances.
3) The air conditioner should be installed in suitable location and ensure the power plug is touchable.
4) Make sure each wiring terminal is connected firmly during installation and maintenance.
5) Have the unit adequately grounded. The grounding wire can't be used for other purposes.
6) Must apply protective accessories such as protective boards, cable-cross loop and wire clip.
7) The live wire, neutral wire and grounding wire of power supply must be corresponding to the live wire, neutral
wire and grounding wire of the air conditioner.
8) The power cord and power connection wires can't be pressed by hard objects.
9) If power cord or connection wire is broken, it must be replaced by qualified person.
10) If the power cord or connection wire is not long enough, please get the specialized power cord or connection
wire from the manufacture or distributor. Prohibit prolong the wire by yourself.
11) For the air conditioner without plug, an air switch must be installed in the circuit. The air switch should be all-
pole parting and the contact parting distance should be more then 3mm.
12) Make sure all wires and pipes are connected properly and the valves are opened before energizing.
13) Check if there is electric leakage on the unit body. If yes, please eliminate the electric leakage.
14) Replace the fuse with a new one of the same specification if it is burnt down, don't replace it with a cooper
wire or conducting wire.
15) If the unit is to be installed in a humid place, the circuit breaker must be installed.
Installation Safety Precaution
1) Select the installation location according to the requirement of this manual. (See the requirements in
installation part).
2) Handle unit transportation with care, the unit should not be carried by only one person if it is more than 20kg.
3) When installing the indoor unit and outdoor unit, a sufficient fixing bolt must be installed, make sure the
installation supporter is firm.
4) Ware safety belt if the height of working is above 2m.
5) Use equipped components or appointed components during installation.
Air Conditioner Service Manual
15
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