Part : Installation And Maintenance; Notes For Installation And Maintenance - Gree GWH18QD-K6DNA1C Series Service Manual

Part : Installation and Maintenance

7. Notes for Installation and Maintenance

Safety Precautions:
Important!
Please read the safety precautions carefully before
installation and maintenance.
The following contents are very important for installation
and maintenance.
Please follow the instructions below.
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instructions.
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electrical codes.
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manual.
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technician according to local regulations and the
instructions given in this manual.
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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 condition 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 cant 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 cant be
pressed by hard objects.
9. If power cord or connection wire is broken, it must be
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52
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 than
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.
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if it is burnt down; dont 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 Precautions:
1. Select the installation location according to the require-
ment 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.
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4. Ware safety belt if the height of working is above 2m.
5. Use equipped components or appointed components dur-
ing installation.
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ishing installation.
Refrigerant Safety Precautions:
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poisonous gas; Prohibit prolong the connection pipe by
welding.
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any other refrigerant. Never have air remain in the refrigerant
line as it may lead to rupture or other hazards.
3. Make sure no refrigerant gas is leaking out when
installation is completed.
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measure to minimize the density of refrigerant.
5. Never touch the refrigerant piping or compressor without
wearing glove to avoid scald or frostbite.
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electric shock or injury.
Service Manual
Installation and Maintenance