Acson international A4LC 20B, Manual

Page: 45 / 65

44
890.0 mm (ceiling board opening)
790.0 mm (hanging rod)
890.0 mm (ceiling opening)
620.5 mm (hanging rod)
Piping
Direction
Unit size 820.0 mm
Unit size 820.0 mm
UNIT
Caution : Sharp edges and coil surfaces are potential injury hazard. Avoid from contact
with them.
PRELIMINARY SITE SURVEY
•
Electrical supply and installation is to conform to local authority's (e.g. National Electrical Board) codes and
regulations.
•
Voltage supply fluctuation must not exceed ± 10% of rated voltage. Electricity supply lines must be independent of
welding transformer which can cause high supply fluctuations.
•
Ensure that the location is convenient for wiring, piping and drainage
•
The indoor unit must be installed in such that free from any obstacles in path of cool air discharge and warm air
return, and must allow spreading of air throughout the room (near the center of the room)
•
Clearance must be provided for the indoor unit from the wall and obstacles as shown in the figure.
•
The installation place must be strong enough to support a load of 4 times the indoor unit weight to avoid amplifying
noise and vibration.
•
The installation place (handing ceiling surface) must be level and the height in the ceiling is 350 mm or more.
UNIT INSTALLATION
ACK-A ACK-B
•
The indoor unit must be away from heat and steam sources (avoid installing it near an entrance).
•
Measure and mark the position for the hanging rod. Drill the hole for the angle nut on the ceiling and fix the hanging
rod.
•
The installation template is extended according to temperature and humidity. Check on dimensions in using.
•
The dimensions of the installation template are same as those of the ceiling opening dimensions.
•
Before ceiling laminating work is completed, be sure to fit the installation template to the indoor unit.
Note: Be sure to discuss the ceiling drilling work with the installers concerned.
9. INSTALLATION OF INDOOR UNIT
Obstacles
Floor
Min 0.5 m Min 0.5 m
Min 0.5 m
Max. 0.3 m
Beam
Ceiling board opening