NT00000535-KSDR-ECOWATT-48-88-120-160-200-AN-190905
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ENGLISH
1 1 . 5 C a s i n g m a i n t e n a n c e
To facilitate maintenance, the moto-fan can be extracted from the unit:
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Switch off the electrical supply at the safety switch.
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Open the hatch or door
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Clean with compressed air or soapy water.
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Do not use ammoniacal detergents.
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Clean the air filters (flat or pleated filters) and replace if necessary
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Check the general condition of the unit (corrosion) as well as the external and interior accessories,
which may need cleaning.
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Check the correct operation of the damper links, the blocking of the blades and their orientation.
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If there are cooling coils, ensure that the condensate drain tray under the cooling coil does not con
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tain any foreign body that could obstruct the drain pipes. Check the siphon for the free flow of the
condensate drainage.
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Clean the turbine and the fan shaft.
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Check that the antivibration pads are in good condition, if present.
1 1 . 6 M a i n t e n a n c e / r e p l a c e m e n t o f t h e f a n
After a long period of use, dust can be deposited on the fan so that dust removal is necessary.
To remove the fan:
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Switch off the electrical supply at the primary circuit-breaker.
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Open the access doors.
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Disconnect the power and control connection plugs at the side.
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Disconnect the pressure sensor.
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Unscrew the two screws from support plate using a wrench.
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Remove the fan.
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Clean the fan with a damp cloth - do not spray the fan.
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Reinstall the unit by following the disassembly procedure in reverse.
