Characteristics
Ventilation via Total Heat Exchanger
Exhausts indoor air via the Total heat exchanger outdoor.
• The outdoor air heat exchanged is supplied to indoor. Operate the ventilator in the
[Ventilation via Total heat exchanger] in summer/winter when cool/heat operation is done.
Exhaust air
Outdoor air
Total Heat Exchanger
Normal Ventilation
Exhausts the polluted indoor-air directly without via the Total heat
exchanger.
• Operate the ventilator in the [Normal Ventilation] in spring/autumn when the Total heat exchanger
is not required.
Exhaust air
Outdoor air
Total Heat Exchanger
CAUTION: In case of high outdoor pollution degree like yellow sand please pause the
ventilator.
Characteristics
Damper
Return Air
Supply Air
Damper
Return Air
Supply Air
Owner's Manual 11