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Service Manual
Part Ⅱ : Maintenance
7.Notes Maintenance
Safety Precautions:
Important!
Please read the safety precautions carefully
before maintenance：
The following contents are very important for installation
and maintenance.
Please follow the instructions below.
● The 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.
● Be caution during maintenance. Prohibit incorrect
operation to prevent electric shock and other accidents.
Warnings
Electrical Safety Precautions:
1. Cut off the power supply before maintenance.
2. Specialized circuit must be applied; prohibit sharing the
same circuit with other electric appliances; protection switch
must be installed.
3.Have the unit adequately grounded. The grounding wire can't
be used for other purposes.
4. The live wire, neutral wire and grounding wire of power sup-
ply must be corresponding to the live wire, neutral wire and
grounding wire of the dehumidifier.
5. The power cord can't be pressed by hard objects.
6. 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.
7. 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 conduct-
ing wire.
8. Use the power supply with same voltage and frequency as
shown in rating label.
9. Do not pull out the power plug when the unit is operating to
avoid damaging the circuit.
10. Do not place anything at the top of dehumidifier; ensure the
air outlet or air inlet is not blocked; do not use the unit near
wall and curtain.
11. Do not use heating equipment around the unit.
Maintenance
Refrigerant Safety Precautions:
1. Avoid contact between refrigerant and fire as it generates
poisonous gas. Recycle the refrigerant inside the unit
completely before welding pipes.
2. Apply specified refrigerant only. Never have it mixed
with any other refrigerant. Never have air remain in the
refrigerant line as it may lead to rupture or other hazards.
3.If refrigerant is leaking seriously, it may cause suffocation
or explosion. When using the combustible refrigerant,
please put the unit at ventilated place.
4. Never touch the refrigerant piping or compressor without
wearing glove to avoid scald or frostbite.
Improper installation may lead to fire hazard explosion,
electric shock or injury.
11
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