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Timer System

Warning! The timer circuit is under mains voltage. Ensure mains power supply is switched off

before making any adjustments.

The fan is operational after the control voltage is supplied by the external switch (e.g., by the light

switch) to the input terminal LT. After the fan is switched off the fan continues to operate within the

timer period set by the timer from 2 to 30 minutes. To adjust the run on timer, rotate the control knob

clockwise to increase and anti-clockwise to decrease the off-delay time respectively (see below

diagram). Please note the adjustment should only be done without the fan running.

The set includes a specially designed plastic screwdriver for timer setting adjustments. Only use the

plastic screwdriver to alter the turn-off delay time. Do not use a screwdriver, knife, etc. for adjustments

so as not to damage the circuit board.

2 min

30 min