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Connect the appliance with the power supply and
make sure that the rotation sense of the fan is cor-
rect. If the rotation sense is wrong, switch the appli-
ance off and invert two phase wires on the terminal
board.
Close the cover and tighten the cable with the cable
pressing device.
CLEANING, MAINTENANCE AND
SPARE PARTS
Before performing any cleaning or mainte-
nance please detach the appliance from the pow-
er supply.
only quailfied and previously trained technical
personnel is authorized to intervene on the appli-
ance for maintenance operaitons.
Motor: The electric air heaters mount closed motors
with self-lubricating bail bearings and are mainte-
nance free.
Battery: The heat exchange battery has to be kept
clean to guarantee the technical charactreistics of
the proejct. In periodical intervals you should control
if the finned pack does not show any obstructions in
the air passage. If necessary clean it with a low-pres-
sure jet of compressed air or water. Protect the motor
against damages.
16
Ventilator: lf noise or vibrations are observed, please
control the tightness of the bolts, which connect
the basket-like support with the housing of the air
heater.
Spare parts: In spare part orders please always indi-
cate the name of the appliance and the description
of the component.
TROUBLESHOOTING
TROUBLE
the motor does not turn or is noisy during operation
REMEDY
–
please check if the appliance has been connect-
ed with the power supply
–
controlI if all the three phases arrive
–
switch the power off, remove the wires tram the
terminal board of the motor and control with an
ohmmeter the continuity of the windings (U
U
- V
/V
- W
/W
). If one or more windings are
2
1
1
1
1
interrupted, the motor has to be replaced. Please
order an original spare part.
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1
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