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December 2020
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Commissioning and Speed Control
The Everdri has potentiometer speed control, this enables the air flow to be set for your specific systems requirements, while
maximising energy efficiency. Each speed (trickle, speed 1 and speed 2) has an individual potentiometer which is adjustable from
0-100% of the total fan performance.
SL1: Speed 1 Control
SL2: Speed 2 Control
L: Trickle Speed
Using a small long handle screw driver,
adjust the potentiometer as required by
turning the knob using the central slot.
Turn clockwise to increase speed.
Turn anti clockwise to decrease speed.
Refit the cover when finished.
Isolate the unit from the power
supply before commencing.
Identify the speed control potentiometer for
the speed to be adjusted.
Manual Override Switch Connection
The ventilation unit is supplied with a manual override switch which allows the user to switch from trickle mode to manual mode and
then select speed 1 or 2.
