DC Inverter Cassette Type Air Conditioner Installation and Operation Manual
42
The drilling of holes in the ceiling must be done by the professional personnel.
Fig.20
Notes:
The dimension for the ceiling openings with * marks can be as large as 910mm. But the overlapping sections
of the ceiling and the decorated surface boards should be maintained at no less than 20mm.
8.2.5 Main body of hoisting air conditioner
Fig.21
1. The primary step for install the indoor unit.
When attach the hoisting stand on hoisting screw, do use nut and gasket individually at the upper and lower
of the hoisting stand to x it. The use of gasket anchor board can prevent gasket break off.
2. Use install cardboard
Please refer to the install cardboard about the dimension of ceiling opening.
The central mark of the ceiling opening is marked on the install cardboard.
Install the install cardboard on the unit by bolt (3 piece), and x the angle of the drainage pipe at the outlet
vent by bolt.
3. Adjust the unit to the suitable install place.
4. Check if the unit is horizontal.
Inner drainage pump and bobber switch are included in the indoor unit, check if 4 angle of every unit are
horizontal by water lever. (If the unit is slant toward the opposite of the coagulate water ow, there may be
malfunction of the bobber switch and lead water drop.)
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