Toshiba RAV-HM301SDTY-E Installation Manual page 17

IM_D0X7205001-01_EN.book Page 123 Friday, May 19, 2023 9:06 PM
• Locations where there is anything under the unit installed that would be exposed to wet risk.
(If the drain has become blocked or when the humidity is over 80 %, condensation from the indoor unit will drip,
possibly causing damage to anything underneath.)
• In the case of the wireless type of system, rooms with the inverter type of fluorescent lighting or locations exposed
to direct sunlight.
(The signals from the wireless remote controller may not be sensed.)
• Locations where organic solvents are being used.
• The air conditioner cannot be used for liquefied carbonic acid cooling or in chemical plants.
• Location near doors or windows where the air conditioner may come into contact with high-temperature, high-
humidity outdoor air.
(Condensation may occur as a result.)
• Locations where special sprays are used frequently.
 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
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.
• Apply also a sufficient heat insulation to the duct and connecting part of the duct.
[Reference] Condensation test Indoor side:
conditions
Air volume:
29-EN
27 °C dry bulb temperature
24 °C wet bulb temperature
Low air volume, operation time 4 hours
– 123 –
 Installation space
Drain piping
Refrigerant piping
Air outlet
Ceiling
450
100
A
100 or
more
Access port (Ceiling opening)
Floor surface
Access port
A
Air outlet
<Under air intake>
Air inlet
Ceiling
50 or more
450
Access port (Ceiling opening)
600 or more
Model type
301 401 1,250
561 1,450
801 1,650
<Back air intake>
Air inlet
300 or more
Ceiling
450
Access port (Ceiling opening)
Air inlet
Ceiling
450
Access port (Ceiling opening)
(Unit: mm)
A
30-EN