Service Manual
32
Installation and Maintenance
● The connection pipe and drainage pipe should be
insulated to avoid water drop-ping due to condensation.
1. Both the indoor side and outdoor side adopt connection of
expanding port. The connection pipe is as shown in the gure,
used for connecting indoor unit and outdoor unit.
2. When connecting the big connection pipe and small
connection pipe with the indoor unit, the big connection pipe
and small connection pipe should be misaligned and the small
connection pipe should be 100mm longer than big connection
pipe.
8.2 Installation Parts-checking
8.3 Selection of Installation Location
8.4 Precautions of Connecting Pipe
Basic requirement:
Installing the unit in the following places may cause
malfunction. If it is unavoidable, please consult the local dealer:
1.The place with strong heat sources, vapors, flammable or
explosive gas, or volatile objects spread in the air.
2.The place with high-frequency devices (such as welding
machine, medical equipment).
3.The place near coast area.
4.The place with oil or fumes in the air. in the air.
5.The place with sulfureted gas.
6.Other places with special circumstances.
● Notices of exible pipe:
1. The exible pipe should be applied in the indoor side.
2. The bended angel shall not exceed 90°.
3. The bended part shall be located in the pipe center. Bigger
bended radius will be better.
4. Do not bend the exible pipe for more than three times.
● Situation of bending thinwalled pipe:
1. When bending the pipe, cut off the needed recess at the
bended part of insulation pipe and then expose the pipe (wrap it
with sealing tape after bending).
2. The pipe bended radius should be big in order to avoid
damage.
3. Use pipe bender for the compact pipe bending.
Indoor unit:
1. Avoid installing the indoor unit in a place where generated or
leaked inammable gas will stay.
2. Avoid installing the indoor unit in a moist place or in a place
where oil may be splashed on the unit.
3. Select a location where outlet air may reach each corner of
the room.
4. Select a location where connection pipe can be led to
outdoor conveniently.
5. Select a location where air inlet and outlet won't be blocked.
6. Select a location with least affection of outdoor air.
7. Select a location with rm and at oor.
8. Retain sufcient space for maintenance and installation.
9. Ensure the installation meets the requirement of installation
dimension diagram.
10.Keep it away from uorescent lamp.
Outdoor Unit:
1. Select a location where the noise and outow air emitted by
the outdoor unit will not affect neighborhood.
2. The location should be well ventilated and dry, in which the
outdoor unit won't be exposed directly to sunlight or strong
wind.
3. The location should be able to withstand the weight of
outdoor unit.
4. Make sure that the installation follows the requirement of
installation dimension diagram.
5. Select a location which is out of reach for children and far
away from animals or plants. If it is unavoidable, please add
fence for safety purpose.
6. The height difference between indoor unit and outdoor unit
should be within 5m. The length of connection pipe should be
within 10m.
Note:
Do not bend the flexible pipe for more than three times. Do
insulation to all connection part of port-expanded pipe and
connection pipe. (as shown in the gure)
3. The cut off valve of outdoor unit shall be closed completely.
For each connection, screw off the screw cap at the cut-off valve
and then connect the port-expanded pipe immediately (in 5min).
If the screw cap at the cut off valve has been placed for a long
time, dust, moisture and other sundries may get into the pipe,
which will cause malfunction.
No. Name No. Name
1 Indoor unit 7 Sealing gum
2 Outdoor unit 8 Wrapping tape
3 Connection pipe 9
Support of outdoor
unit
4 Drainage pipe 10 Fixing screw
5
Connecting
cable(power cord)
11
Drainage plug(cooling
and heating unit)
6 Wall pipe 12
Owner’s manual,
remote controller
1.Please contact the local agent for installation.
2.Don't use unqualied power cord.
Note:
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