Toshiba RAV-RM301SDT-E Installation Manual page 49

 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: 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
• 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 sufficient heat insulation to the duct and connecting part of the duct.
[Reference] Dewing test conditions
Indoor side: 27 °C dry bulb temperature
24 °C wet bulb temperature
Air volume: Low air volume, operation time 4 hours
 Installation space
Reserve space required for maintenance the indoor unit and service work.
100 or more
<Under air intake>
5 or more
210
Ceiling
Air discharge
50 or more
2,500 or more
Floor surface
95-EN
5 or more
Air discharge
235 or more
210
250
or more
<Back air intake>
5 or more
Air discharge
235 210
or more
Ceiling
300 or more
2,500 or more
Floor surface
 Service space
Ceiling 50
(Unit:mm)
235
or more
 Arranging the to back air intake type
Air filter Main unit
Remove the filter from the main unit while
pushing down on the tabs.
– 48 –
Air discharge
50
945
Service door (Ceiling opening)
645
945
Service door (Ceiling opening)
745
945
<Back air intake>
Air filter
Main unit
Force (after remover)
(Unit:mm)
Air filter
645
645
Air filter
745
Remove the cover plate
and then fix it to the
bottom surface.
Do surely hooking
to the main unit.
96-EN