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Installation
i
Mounting instructions
•
The duct fan is to be suspended on the wall or
the ceiling using, for example, threaded rods,
fixing brackets, etc. These must be supplied by
the customer and must have load-bearing
capacities corresponding to the wall/ceiling/bra-
cket and the fan weight.
•
Airstream and rotational directions are indicated
by arrows marked on the fan housing.
•
Use ELP .. flexible couplings to prevent transfer
of vibrations onto the channel system.
•
When installing the fan, make sure that no loads
are placed on sensitive components, such as the
impeller or terminal box.
against using incorrect fixing
materials. Components can come
loose or move.
WARNING
Danger of injury !
➣ Always use suitable fixing materials !
against incorrectly executed
installation work.
WARNING
Danger of injury !
➣ Commissioning and installation work should
only be carried out by authorised specialists.
Procedure
1. Prepare the duct system. Only use ducting that
is suitable for the fan. Please refer to the currently
valid Maico catalogue for dimensions. If neces-
sary, separate the installed duct elements at the
installation site.
2. Mount the fan on the wall, ceiling or bracket with
suspension elements supplied by the customer.
Take note of the position of the terminal boxes as
these must be freely accesible after the fan is
installed.
3. Screw ELP .. flexible couplings onto the inlet
and outled side flanges of the fan. Please refer to
the installation example figures on page 2.
4. Screw duct elements together with the ELP ..
flexible couplings.
Electrical connection
• • • • •
The electrical connection work should only
be carried out by a professional electrician,
according to the wiring diagram (see pages
15 and 16).
• • • • •
Before working with terminal boxes, always
switch off the main fuse at the fuse box and post
warning signs advising not to re-apply power.
This is particularly valid where the on/off switch
is some way away from the fan.
• • • • •
The connecting cable between the power source
and the terminal box must be a permanently laid
cable. The cables must be fed into the terminal
box so that the cable grommet fits tightly round
the non-metallic sheathed cable. If the power
cable is not installed correctly, the degree of
protection indicated on the rating plate cannot
be guaranteed and no claims can be made
under the terms of the warranty .
• • • • •
The fan motor is thermally protected. It must
be connected to an external control unit
with automatic switch-off, such as a Maico
MVE 10 motor protection switch for example or
to a self-latching contactor circuit. The control
unit should not be able to switch itself back
on after being triggered.
Procedure
1. Wire up the fan according to the wiring diagram.
2. Connections should be made from both „TK"
motor connector blocks to the control unit.
Thermal contact technical data
(not for PTC termistor)
Nominal voltage at 50 Hz/60Hz
Nominal current (ohmic) cosϕ=1,0
Nominal current (inductive) cosϕ=0,6
Commissioning, Function test
WARNING
Danger of injury !
Before starting up:
➣ Check that all screwed connections are tight.
➣ Check the air channel for dirt. If necessary, clean
the air channel.
➣ Check compliance with the Technical data.
– Subject to change ! –
against commissioning without a
subsequent system check.
250 VAC
max. 2,5 A
max. 1,6 A
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