EN
17
INSTALLATION
The product is intended for installation in
a wall or ceiling, for connection to round
ventilation ducts.
1. Switch off the power supply.
FIG. 1
FIG. 2
2. Remove the front cover from the product.
FIG. 3
3. Mark out and drill the mounting holes.
FIG. 4
FIG. 5
4. Fasten the product with screws.
FIG. 6
5. Connect the wires to the terminal block.
FIG. 7
FIG. 8
6. Connect the power supply.
DESIGNATIONS IN WIRING
DIAGRAM
L
Live wire
N
Neutral wire
LT(ST)
Control wire for delay timer
QF
Automatic fuse
S
External power switch
USE
• Fan with delay timer and humidity sensor
T/H that starts after the external power
switch, e.g. light switch, closes and control
voltage is supplied to the terminal LT (ST),
or if the air humidity H indoors exceeds
the set point value (60 to 90%). When
the control voltage is disconnected the fan
continues to run for the set time (2 to 30
minutes).
• Turn the potentiometer (H) to the
required position to adjust the limit of the
humidity.
• Turn the potentiometer (T) to the required
position to adjust the delay time.
FIG. 9
NOTE:
Use the supplied plastic screwdriver to turn
and adjust the potentiometers. Do not use a
metal screwdriver.
MAINTENANCE
1. Switch off the power supply.
2. Remove the front cover.
FIG. 10
3. Clean the product with a cloth moistened
with water and a mild detergent.
FIG. 11
4. Clean the fan blades with a paintbrush.
FIG. 12
5. Rinse the front grille under running water.
Wipe the surface dry.
FIG. 13
6. Fit the front grille.
FIG. 14
7. Connect the power supply.
NOTE:
• Make sure no water gets into the
electrical components.
• Maintenance should be carried out at
least once every 6 months.
