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V. 4.1-04-08-21
brookvent.co.uk
5.3 Colour code for internal wiring connectors
6.0 Controls and Settings
6.1 Fan Speed Control
The fan speeds of the unit are controlled by the digital display. This allows individual
control of the trickle and boost rates for the supply and extract fans within the unit.
These separate speed options allow one speed to be set for normal day to day operation
(I.e. Trickle) and an increased speed to be set (I.e. Purge) that operates when the grey
switch wire is triggered by a 230v purge signal such as a Wall Switch or Passive Infrared
Sensor, manually changing the mode on the display or automatically from internal
sensors.
If the Purge for either fan is required to be set, it should always be set higher than the
Trickle.
See section 6.8 Digital Controller full instructions.
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