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Installation under high-humidity atmosphere
In some cases including the rainy season, especially inside of the ceiling may become high-humidity atmosphere
(dew-point temperature: 73 °F (22.8 °C) or higher).
1. Installation to inside of the ceiling with tiles on the roof
2. Installation to inside of the ceiling with slated roof
3. Installation to a place where inside of the ceiling is used for pathway to intake the fresh air
4. Installation to a kitchen
In the above cases, additionally attach the heat insulator to all positions of the air conditioner, which come to
contact with the high-humidity atmosphere. In this case, arrange the side plate (Check port) so that it is easily
removed.
Apply also a suf cient heat insulation to the duct and connecting part of the duct.
[Reference]
Condensation test conditions
80 °F (26.7 °C) dry bulb temperature
Indoor side:
75 °F (23.9 °C) wet bulb temperature
Air volume:
Low air volume, operation time 4 hours
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Installation space
Reserve suf cient space required for installation or service work.
Space required for installation and servicing
Air outlet
Ceiling
1.0" (25)
57.1"
1.0" (25)
(1450)
7.9" (200)
39.4" (1000)
or more
Service door (Ceiling opening)
Floor surface
Air outlet
Electrical
39.4" (1000)
control box
Service space
※1 If there are enough space under the unit (more than 39.4" (1000)) the service door (Ceiling opening) is not necessary.
NOTE
Set check port for maintaining the electrical control box, refrigerant pipe and drain pan.
The indoor unit is not equipped with an air lter. Procure and install one locally.
Set the service door (ceiling opening) for replacing the fan, fan motor, when they are broken. Otherwise, they
can not be replaced.
Filter cleaning sign term setting
The lighting term setup of the lter sign (Noti cation of lter cleaning) of the remote control can be changed
according to the condition of installation.
For setup method, refer to "Filter sign setting" in the Applicable controls of this Manual.
Ceiling
1.0" (25)
37.4" (950)
or more
Service door (Ceiling opening)
1
7.9" (200)
or more
Check port
23.6" (600)
or more
(Unit: in (mm))
33.5" (850) or more
(Suction duct)
Air inlet
1.0" (25)
1
10-EN
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