BLAUBERG Ventilatoren Ducto, Operation Manual

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8
TIMER ADJUSTMENT
Ducto 100/125/150 T
(Fig. 17)
To adjust the fan turn-off delay time, rotate the control knob Toff clockwise to increase and counter-clockwise to
decrease the turn-off delay time respectively, adjustable from 2 up to 30 minutes.
Ducto Plus / Ducto Power Plus 100/125/150 T (Fig. 18)
Operation modes 1, 2 and 3
To adjust the fan turn-on delay time or the speed switch time for the operation mode 3, rotate the control knob T
on
clockwise to increase and counter-clockwise to decrease the turn-on delay time respectively, adjustable
from 0 up to 2 minutes.
To adjust the fan turn-off delay time or the speed switch time for the operation mode 3, rotate the control knob T
off
clockwise to increase and counter-clockwise to decrease the turn-off delay time respectively, adjustable from
2 up to 30 minutes.
Operation mode 4
To adjust the interval operation time, rotate the control knob Tint clockwise to increase and counter-clockwise to
decrease the switching time respectively, adjustable from 1 up to 15 hours
To adjust the operation time at the high speed and turn-off delay time for activation of the low speed after turning
the switch off, rotate the control knob T
off&HS
time clockwise to increase and counter-clockwise to decrease respectively,
adjustable from 2 up to 30 minutes.
Warning!
The timer circuit is live!
Disconnect the fan from power supply prior to any adjustment operations.
A supplied specially designed plastic screwdriver is included in the delivery set.
Use it to change the timer settings.
Do not use a metal screwdriver, knife, etc. for adjustment operations not to damage the circuit board.
MAINTENANCE
Cut off power supply to the fan and take steps to prevent unintentional power supply activation before completion of the
maintenance operations.
The fan maintenance periodicity is at least once per 6 months, depending on operation conditions.
Maintenance works include regular cleaning of the fan surfaces of dust and dirt and checking reliability of electrical
connections.
Follow the applicable local maintenance safety requirements.
T
off
T
off
T
int
T
off&HS time
T
on
EN
9
EN
3
1
4
2