41
Installation and Maintenance
Service Manual
a.
Noise Precautions
1) The air conditioning unit should be installed where ventilation is in good condition, otherwise the working capability of
the unit would be reduced or working noise would be increased.
2) The air conditioning unit should be installed on the base frame which is stable and secure uncouth to withstand the
weight of the unit; otherwise it would incur vibration and noise.
3) During the installation, a consideration should be taken that the produced hot air or noise should not affect neighbors or
surroundings.
4) Do not stack obstacles near the air outlet of the outdoor unit; otherwise it would reduce the working capability of the unit
or increase the working noise.
5) In the event of the occurrence of abnormal noise, please contact the sales agent as soon as possible.
b.
Accessories for Installation
Refer to the packing list for the accessories of the indoor and outdoor units respectively.
8.5.2 Installation of the Outdoor Unit
a.
Precautions for the Installation of the Outdoor Unit
The following rules should be followed when the installation location is being considered so as to let the unit run well
enough.
1) The discharged air from the outdoor unit won’t return back and enough space should be left for maintenance around the
unit.
2) The installation location should be in good condition so that the unit is able to take in and discharge enough air. Besides,
make sure there is no obstacle at the air inlet/outlet of the unit. If there is, remove it.
3) The unit must be installed where it is secure enough to support the weight of the unit and capable of reducing to some
extent noise and vibration to make sure they do not bother your neighbors.
4) The designated lifting hole must be used for lifting the unit and protect the unit carefully during lifting to prevent
damaging the mental sheet which would result in rusting in future.
5) The unit should be installed where there is as little as direct sunlight.
6) The unit must be installed where the rain water and defrosting water can be drained.
7) The unit must be installed where the unit won’t be covered by the snow and won’t be affected by rubbish and oil fog.
8) Rubber or spring shock absorbers should be used during the installation of the outdoor unit to meet the noise and
vibration requirements.
securely.
11) The installation should be carried out by the professionally skilled personnel.
b.
Installation of the Outdoor Unit
1) Outline dimension of the outdoor unit.
GWHD(42)NK3AO
GWHD(36)NK3BO
Fig.4
Fig.3
76
450
99
1015
1103
1087
191
631
440
401
36
2
121
76
99
1015
110
3
1087
191
631
44
0
40
1
12
1
450
362
10) For the Free Match system,Do not install only one indoor unit for the outdoor unit.
