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temperatures below zero should be equipped
with external frost protection to ensure that
the heating coil is not damaged by frost.
Electrical installation
The electrical installation should be carried
out by a qualified electrician in conformity
with prevailing regulations. The appliance
should be preceded by an triple-pole switch
with at least 3 mm breaking gap.
Fan heater SWT is intended for fixed
installation and is connected by knock-outs
on the heaters back side.
The motor has a built-in thermal safety
cut-out to protect against overheating. This
will reset automatically once the motor has
cooled.
Cable glands used must guarantee the
protection class requirements.
After the electrical installation of the motor,
check the rotation of the fan. Seen from the
inlet side, the impellers should be rotating
anti-clockwise.
See wiring diagrams.
Start-up
When the unit is used for the first time or
after a long period of disuse, smoke or odour
may result from dust or dirt that has collected
on the element. This is completely normal
and disappears after a short time.
Maintenance
To ensure performance and reliability of
the unit, inspection and cleaning should be
carried out regularly. Inspection should be
carried out at least twice a year. Clean the
unit when needed. During inspection the
power supply must always be disconnected.
Cleaning the fan
Cleaning intervals of the fan is due to filter (if
any) and air quality.
To ensure performance and reliability of
the unit, inspection and cleaning should be
carried out regularly. Inspection should be
carried out at least twice a year. Clean the
unit when needed. During inspection the
power supply must always be disconnected.
If the impellers are not cleaned properly,
vibrations/noise can occur and severely
SWT
damage the bearings. If the vibrations/noise
remain after cleaning, please contact a
certified technician.
Loosen the clamps on the fan plate and let
it hang down. Use compressed air from the
inside out to clean the water coil. Use a soft
brush to clean the impellers. If water or steam
is used for cleaning, ensure that the motor is
protected from water.
Safety
• Ensure that the area around the intake
is kept free from material which could
prevent the air flow through the appliance!
• The appliances have hot surfaces during
operation!
• This appliance can be used by children
aged from 8 years and above and persons
with reduced physical, sensory or
mental capabilities or lack of experience
and knowledge if they have been given
supervision or instruction concerning
use of the appliance in a safe way and
understand the hazards involved. Children
shall not play with the appliance. Cleaning
and user maintenance shall not be made
by children without supervision.
• Lifting aids should be used to lift the
appliance.
GB
13
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