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Installation under high-humidity atmosphere
In some case, including the rainy season, The inside of the ceiling may become a high-humidity atmosphere
(dew-point temperature: 73.4 °F (23 °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, attach insulation 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 heat insulating a sufficient thickness 0.4''(10 mm) or more to the duct and connecting part
of the duct.
[Reference]
Condensation test conditions
80.6 °F (27 °C) dry bulb temperature
Indoor side:
75.2 °F (24 °C) wet bulb temperature
Air volume:
Low air volume, operation time 4 hours
15-EN
Installation space
Reserve sufficient space required for installation or service work.
Air discharge
Ceiling
1.0" (25)
1.0" (25)
A
3.9" (100)
or more
or more
Inspection opening (Ceiling opening)
Floor surface
3.9" (100)
or more
Air discharge
Check port
15.7" (450)
Service space
(B for maintenance of air filter
(sold separately))
Model
A
SM122, SM182 type
29.5"(750)
SM242 type
41.3"(1050)
SM302, SM362 type
57.1"(1450)
SM422, SM482 type
Filter cleaning sign term setting
The lighting term setup of the filter sign (Notification of filter cleaning) of the remote controller can be changed
according to the condition of installation.
For setup method, refer to "Filter sign setting" in the Applicable controls of this Manual.
– 8 –
Ceiling
22.4" (570)
B
Inspection opening (Ceiling opening)
Ceiling
22.4" (570)
Inspection opening (Ceiling opening)
B
B
27.6"(700)
19.7"(500)
27.6"(700)
(Unit: in (mm))
Air intake
1.0" (25)
Air intake
11.8" (300)
or more
1.0" (25)
EN
16-EN
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