10
GB
1.) The unit
2.) Sound attenuators
3.) Insulated condensate pipe with water lock
4.) Fresh air inlet
5.) Discharge of polluted extract air
6.) Inlet diffusers in living rooms
7.) Extract louvres in wet rooms
8.) Soil vent pipe if installed
9.) Flexible ducting
10.) Spiro ducting
11.) Insulation
A.) Inlet fan
B.) Extract fan
C.) Heat exchanger block (counter flow)
D.) Defrost damper
E.) Fresh air filter
F.) Extract filter
G.) Main switch
Fig. 1
GENERAL (Fig. 1)
The Systemair VM unit is a complete ventilation unit for supply of filtered and preheated
outdoor air to residential areas and extract of a corresponding amount of used air from WC,
bathroom and other wet rooms. The unit is equipped with a counter flow heat exchanger
block and control functions to ensure safe and economical ventilation.
Note! The exchanger block can be replaced by a summerblock when heat recovery is
not required. This will increase the airflow and give a cooling effect on hot summer days.
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