
SiBE04-624_B Main Functions
Function and Control 37
Ventilation System
Ventilation is mainly divided into two types. The convenient system is supply ventilation.
1.12 HOME LEAVE VENTILATION
Operation
Features
Ventilate your room while you are out
This function refreshes your room by ventilating while you are out.
To take fresh air from outdoors via the outdoor unit, air is heated with a heater on the
humidifier unit in the outdoor unit to decompose exhaust gas components (NOx) etc., and
passed through the air supply filter to eliminate pollen and mold.
OFF timer can be set from 1 to 9 hours (Factory set: 4 hours).
Note: 1. Outdoor sound may be heard or the air may have a smell, as the air is taken from outdoors.
Compared with the other operations, operating sound is rather high.
2. Depending on the outdoor temperature and humidity, operating sound sometimes changes.
- Quiet because the ventilation fan is located in
the outdoor unit
- Energy saving system due to low heat loss
- The room temperature changes little because
no wind enters.
- Operation noise is heard because the ventilation
fan is located in the room.
- Electricity charges are high because heat loss is
high.
- Draft enters easily to prevent comfortable
temperature from being kept.
Exhaust Ventilation
Air Supply
Draft
Supply Ventilation
(R5979)
Fresh
Air
HOME LEAVE VENTILATION
(R5976)
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