
0000100435/060614/A FUA-1300/1800/2100/3000/4700 (50Hz)
EN
- 8
Fig. 4.7
A
D (x 4)
E
F
B
C
Connecting the fan to a hose and duct (
FUA-3000/4700)
4.3
Electric connection
ATTENTION!
Electric connection to be executed in accordance
with local requirements. Ensure compliance with the
EMC regulatory arrangements.
WARNING!
Make sure that the fan is suitable for connection to
the local mains. Information about the connection
voltage and frequency can be found on the
identification plate. The cables must be connected in
conformance with the local rules and regulations
and can only be carried out by qualified and
authorised technicians.
The default setting for the 3~ fans is 400V. If another voltage
is used, the wiring must be changed according to the
instructions on the identification plate.
To connect the starting device, proceed as follows:
• Connect the fan to the chosen starting device according to
the information on the identification plate on the motor.
• Connect the starting device to the mains according to the
separately supplied electrical diagram.
• Check the direction of rotation of the motor. For this
purpose the fan contains an arrow indicating the prescribed
direction of rotation. The rotation is visible through the grid
of the motor.
• If necessary, invert the connection of the phases.
5
USE
Refer to the documentation supplied with the selected control
equipment how to control the fan.
6
MAINTENANCE
The fans require no specific maintenance.
7
TROUBLESHOOTING
If the product does not function (correctly), consult the
checklist below to see if you can remedy the error yourself.
Should this not be possible, contact your supplier.
WARNING!
Always switch
off
the machine and disconnect it
from the mains before carrying out the activities
below. First read the maintenance regulations at the
beginning of this manual.
Symptom
Problem
Possible cause
Solution
Motor does not
start.
Machine does
not function.
No mains
voltage.
Check the mains
voltage.
Mains cord
defective.
Repair or replace
mains cord.
Loose contacts.
Repair the
contacts.
Motor protection
switch defective.
Replace the
motor protection
switch.
Motor defective.
Repair or replace
motor.
Motor makes a
humming
sound, but
does not run.
Machine does
not function.
Motor uses 2
phases instead of
3 (three-phase
motor only).
Repair the phase
connection.
Motor capacitor
defective/not
connected (single
phase motor
only).
Repair or replace
the motor
capacitor.
Motor stops
automatically.
Machine does
not function.
Motor protection
switch activated.
Let the machine
cool down for
some time.
Check setting of
motor protection
switch (MPS)
according to
electrical
diagram.
Motor defective.
Repair or replace
the motor.
Poor suction.
Machine does
not function
properly.
Inverted
direction of
rotation of the
motor (three-
phase
motor
only).
Change the
direction of
rotation.
Motor defective.
Repair or replace
the motor.
Extraction fan
polluted.
Clean the
extraction fan.
Outside air is
being extracted.
Check or replace
the sealing
material.
Vibrations in
the machine.
Machine not
steady.
Imbalance in the
extraction fan.
Clean the
extraction fan.