Installation Instructions
Specifi cations are subject to change without notice
Page 4
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Distributed by Simx Limited
QUIET 125mm Extraction Fan Kit
WIRING CONNECTIONS
Standard Switching
The single speed fan is switched via an existing or a new light, or auto sensor, switch
(switch not supplied) (Fig 2).
Timer Switching
The single speed fan is switched via an existing lighting circuit switch (Fig 2) or a new ON/OFF
switch (Fig 3) (switch not supplied), however, on the timer model, a built-in timer allows the fan to
run on after being switched off.
Before adjusting the timer, the mains supply must be switched OFF. When switched ON, the fan
will operate at full speed and will continue to run at that speed, for a pre-set time, after the fan is
switched OFF.
1. Remove the fan grille. The controller is factory set at 15 minutes approx. The overrun time
period can be adjusted from 1-30 minutes by altering the adjuster on the control PCB. Note
the exact min/max time may vary between products.
2. To REDUCE the operating time, use a small screwdriver to turn the adjuster (Fig 4)
ANTI-CLOCKWISE.
3. To INCREASE the operating time, use a small screwdriver to turn the adjuster (Fig 4)
CLOCKWISE.
4. Replace the fan grille.
Fig 2
Fig 4
Timer Adjustment
Fig 3
PUB01580 2009
