Electronic System Operation Algorithm - Vents D Series User Manual

ELECTRONIC SYSTEM OPERATION ALGORITHM

The T model fans
equipped with a timer are activated by control voltage application to input terminal
switch S (e.g. indoor light switch). After the control voltage is off, the fan continues to operate within the set time period
adjustable from 2 to 30 minutes by the timer. For the
The fan with a timer and a humidity sensor (TH)
LT
terminal or if indoor humidity level
H
off or the humidity level
from 2 to 30 minutes.
— to adjust the fan turn-off delay time, turn the control knob
decrease the turn-off delay time, adjustable from 2 up to 30 minutes.
— to adjust the humidity set point, turn the control knob
humidity sensor set point, adjustable from 60 % up to 90 %.
The fan delivery set includes a specially designed plastic
screwdriver for fan settings adjustments.
Use it to change the turn-on and turn-off delay time and
the humidity set point.
H
exceeds the set point adjustable from ~60 % to ~90 %. After the control voltage is
has decreased, the fan will keep running within the time, set by the turn-off delay timer, ranging
DO NOT USE A METAL SCREWDRIVER, KNIFE, ETC. FOR ADJUSTMENT
OPERATIONS NOT TO DAMAGE THE CIRCUIT BOARD
VT
model, the fan is turned on/off with an internal cord switch.
— the fan starts after the control voltage is supplied to the input
T
clockwise to increase and counter-clockwise to
off
H
clockwise to increase and counter-clockwise to decrease the
H
60%
90%
T
o
2 min
30 min
11
for TH/VTH
for T/TH/VT/VTH
EN
LT
by an external