11
EN
H
60%
90%
T
off
2 min
30 min
T
on
0 min
2 min
for H/SН
for Т/ST
DO NOT USE A METAL SCREWDRIVER, KNIFE, ETC. FOR ADJUSTMENT
OPERATIONS NOT TO DAMAGE THE CIRCUIT BOARD.
MAINTENANCE
To clean the unit from any dust and dirt which may accumulate on the surfaces (Fig. 18-21), use a soft cloth and a brush
soaked in a mild detergent solution. Avoid spilling liquid on the electrical components. Wipe the cleaned surfaces dry.
— To adjust the fan activation delay time, turn the
T
on
potentiometer knob clockwise (+) or counter-clockwise (-)
which sets the activation delay time within the range from 0 to 2 minutes.
— To adjust the fan deactivation delay time, turn the
T
off
potentiometer knob clockwise (+) or counter-clockwise (-)
which sets the activation delay time within the range from 2 to 30 minutes.
— To adjust the humidity sensor threshold value turn the
H
potentiometer knob clockwise (+) or counter-clockwise (-)
which sets the threshold value within the range from 60 % to 90 %.
The fan is supplied with a special plastic screwdriver. Use the
screwdriver to adjust the fan activation or deactivation delay
time or the humidity sensor threshold value.