11
FAN MOUNTING ( se page 3 and 4)
Picture 1-3.
The fan is designed for wall surface mounting or
installation into a round 100 or 125 mm air duct or
ventilation shaft, with or without a replaceable suitable
branch pipe of required diameter.
Picture 4-5.
To minimize possible noise and vibration install a sealing
ring that is included into the delivery set into the fan
casing slot. Pull the sealing ring to facilitate its installation.
In case of the fan mounting without branch pipe a sealing
ring is not required.
Picture 6-7.
The fan is equipped with a removable grille. Press the
latches slightly to release the grille from the front panel.
While installing the grille on the front panel match the
latches and respective slots in the cover and insert to click.
While mounting direct the pointer of the grille back side to
the shorter side closer to the hole.
Picture 8-9.
The fan casing has three round lowered cable entry tabs
and four side openings for routing a power cable inside.
If you route a power cable through a side opening cut a
slot for the cable entry in the front panel.
In case of routing a cable through one of three round
lowered tabs cut out a hole at the most suitable place
with a knife.
Picture 10-21.
The fan mounting sequence is shown on page 4 in
pictures 10-21.
Warning!
Do not use at nose pliers and other similar equipment
not to damage the front panel.
WIRING ( se page 5)
The fan has four options for connection to single-phase
power mains 100-240 V, 50-60 Hz.
Follow the simple wiring diagrams 1 or 2 if you want to
include the basic fan functions or the wiring diagrams 3
or 4 for advanced users:
Wiring diagram 1.
The contacts L and N are connected to phase or zero
respectively.
If the fan is connected according to the wiring diagram 1
it operates in standby mode until it detects excessive
indoor humidity level, or is switched to another mode
with a pull-cord switch. In standby mode the fan is off or
it operates at low speed that is adjustable from the
control panel. When the humidity sensor signals of high
humidity level the fan is switched to humidity control
mode to extract excessive humidity and odours and
reverts to standby mode in a while. The fan switches to
active mode with high speed after pulling the pull-cord.
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