10. Installation
Ceiling Cassette 1-Way _ 21
Indoor Units
10.2 Ceiling opening dimensions and hanging bolt location
NOTE:
• Avoid the following installation location.
1. Such places as restaurants and kitchen where considerable amount of oil steam and flour is generated.
These may cause heat exchange efficiency reduction, or water drops, drain pump mal-function.
In these cases, take the following actions;
• Make sure that ventilation fan is enough to cover all noxious gases from this place.
• Ensure enough distance from the cooking room to install the air conditioner in such a place where it
may not suck oily steam.
Level gauge
Ceiling
Use the ventilation fan
for smoke-collecting
hood with sufficient
capacity.
Cooking table
Air conditioner
Take enough
distance
(unit: mm)
TT Chassis
TU Chassis
1,285
1,385
50
250
600
50
466
1,180
448
600
250
965
1,065
50
50
466
860
448
306
400 4040
400 4040
306
354
354
Ceiling board
• The dimensions of the paper model for installation
are the same as those of the ceiling opening dimen-
sions.
• Select and mark the position for fixing bolts and pip-
ing hole.
• Decide the position for fixing bolts slightly tilted to
the drain direction after considering the direction of
drain hose.
• Drill the hole for anchor bolt on the wall.
• This air-conditioner uses a drain pump.
• Install the unit horizontally using a level gauge.
• During the installation, care should be taken not to
damage electric wires.
2. Avoid installing air conditioner in such places where cooking oil or iron powder is generated.
3. Avoid places where inflammable gas is generated.
4. Avoid place where noxious gas is generated.
5. Avoid places near high frequency generators.
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