SystemAir SAVE VTR 300/B Installation Manual page 28

24
| Configuration
Important
Changing the airflow type does not change P-band value automatically. P-band value have to be changed
manually after changing the airflow type.
Demand Control
Configure indoor air quality sensors. Once sensor(s) are configured, Demand Control function is activated by choosing
AUTO mode in home screen.
• Activate or deactivate CO
Set CO sensor setpoint. Default setting is 800 ppm (parts per million in atmosphere). Normal atmospheric CO
2
centration is 400 ppm. Range: 100–2000 ppm.
Set P-band, default setting is 200 ppm. Range: 50–2000 ppm.
Set I-Time, default setting is Off. Range: Off/1–120 sec.
• Activate or deactivate RH sensor. Default setting is Off.
Set humidity setpoint in summer, default setting is 60%. Range: 1–100%.
Set humidity setpoint in winter, default settting is 50%. Range: 1–100%.
Set P-band, default setting is 10%. Range: 1–100%.
Set I-time, default setting is Off, Range: Off/1–120 sec.
• Select airflow level for Improving Air Quality. Range: Normal / High / Maximum.
• Select airflow level for Good Air Quality. Range: Low / Normal.
Moisture Transfer Control
Note:
Setting is available if heat exchanger type is set as Rotating. It is highly recommended to leave default
values for P-band and I-time. They should be changed only by installer and trained staff.
• Activate or deactivate relative humidity transfer functionality. Default setting is On.
• If Moisture Transfer Control is activated, configure:
Setpoint, default setting is 45% humidity. Range: 1–100% RH.
Set P-band, default setting is 4g/kg. Range: 1–100g/kg.
Set I-time, default setting is Off. Range: Off/1–120 sec.
Defrosting Control
Note:
Setting is available if heat exchanger type is set as Plate.
The unit is equipped with an automatic defrost function that is activated when there is risk of icing in the area around
the heat exchanger.
• Select defrosting mode. Default setting is Normal.
Soft
Normal
Hard
1 In newly constructed houses it might be necessary with a higher defrost level during the first winter period.
• Set by-pass location. Default setting is based on unit configuration.
Supply / Extract.
• Set if secondary air is allowed. Default setting is Off.
sensor. Default setting is Off.
2
Dry areas, such as warehouse buildings with few people or industrial
buildings that don't use water in their production process.
Apartments or houses with normal humidity
Buildings with very high humidity level.
2
1
con-
| v01