- Countermeasure:
• Use the carpet on the floor (compared to the tiles the
carpet over it will have a 3 degree rise in temperature)
• Insulating the floor.
• Floor heating
3) In case of high temperature or high
humidity between the false ceiling and
ceiling slab(near by the sea, river, lake,
spa)
- If the installation space is high temperature or high
humidity (30 ℃ (86℉) and RH 80%), the units body
as well as the piping insulation should be strength-
ened. (insulation at least 12/32 inch in thickness)
Refer to the picture given below.
- Places having the temperature and humidity of the
surrounding water sources(sea, river etc.)
In case the steam is generated between the false ceiling
and the ceiling slab
Due to some nearby by steam source.
• Indoor unit: Insulate the unit body with some insulation
like glass wool at least 13/32 inch in thickness.
• Refrigerant piping: Increase the piping insulation
thickness with thickness above 13/16 inch.
• Others: Inside the ceiling near th air tight seal places
(To escape of the humidity inside false ceiling)
4) In case of multiple indoor cassette units
(recommended)
10. Installation
14 _ Ceiling cassette 4-way
Part 2 Product data_Indoor units
• Case of cold air intake:
The duct surface will have the dew drops so a insulation
on the duct is a must.(Insulation material: a glass wool of
thickness 1.0inch will be appropriate.)
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