Blade Adjustment For Desired Ventilation Air; Ventilation Air - Bard CRV-F2 Installation Instructions Manual

Blade Adjustment for Desired
Ventilator Air
The amount of ventilation air supplied by the
commercial room ventilator is dependant on four
factors.
1. Return air duct static pressure drop.
2. Supply air duct static pressure drop.
3. Indoor blower motor speed.
4. Damper blade open position setting.
Refer to the appropriate graph on the following pages
to determine the blade setting needed for required
airflow. Adjust blade stop screws accordingly (see
Figure 9).
BLADE STOP SCREW
BLADE STOPS
FIGURE 9

Blade Adjustment for Desired Ventilation Air

BLADE STOP SCREW
MIS-4002
Manual 2100-691
Page 11 of 15