Installation and Maintenance
Service Manual
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 support is rm.
4. Ware safety belt if the height of working is above 2m.
5. Use equipped components or appointed components
during installation.
6. Make sure no foreign objects are left in the unit after
nishing installation.
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.
●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 qualied person.
●All electric work must be performed by a licensed technician
according to local regulations and the instructions given in
this manual.
●Be caution during installation and maintenance. Prohibit
incorrect operation to prevent electric shock, casualty and
other accidents.
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 rmly 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
replaced by a qualied 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.
27
1. When refrigerant leaks or requires discharge during
installation, maintenance, or disassembly, it should be
handled by certied professionals or otherwise in compliance
with local laws and regulations.
2.Avoid contact between refrigerant and re as it generates
poisonous gas; Prohibit prolong the connection pipe by
welding.
3. Apply specied 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.
4. Make sure no refrigerant gas is leaking out when
installation is completed.
5. If there is refrigerant leakage, please take sufficient
measure to minimize the density of refrigerant.
6. Never touch the refrigerant piping or compressor without
wearing glove to avoid scald or frostbite.
WARNINGS
Refrigerant Safety Precautions:
Improper installation may lead to re hazard,
explosion, electric shock or injury.
Installation Safety Precautions:
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.
14. Replace the fuse with a new one of the same specication
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.
Electrical Safety Precautions:
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