Vents 100 VKO, User Manual, Page: 10 / 24

10
EN
ELECTRONICS OPERATION ALGORITHM
The fan with the T
timer activates upon control voltage application to the
LT
input terminal by the
S
external switch (e.g.
indoor light switch). After the control voltage is off, the fan continues to operate within the time set by the timer ranging
from 2 to 30 minutes.
— To adjust the fan turn-off delay time, turn 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.
+
-
2min
30min
T
The fan delivery set includes a specially designed plastic
screwdriver for fan settings adjustments.
Use it to change the fan turn-off delay time.
DO NOT USE A METAL SCREWDRIVER, KNIFE, ETC. FOR ADJUSTMENT
OPERATIONS NOT TO DAMAGE THE CIRCUIT BOARD.