Biddle DF Specifiche Pagina 30

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en-30
en
4. . Maintenance
4.1 Cleaning the unit
You may clean the exterior of the unit with a damp cloth and a
domestic cleansing agent. Do not use any solvents.
Caution:
c Make sure no water runs into the unit.
4.2 Scheduled maintenance
Biddle recommends that the following inspection and mainte-
nance work is performed by an installer or other technical
expert every year.
Check that the heat exchanger and the electrical heating
element are clean. Settled dust may cause unpleasant
smells.
Gently remove dust with a vacuum cleaner.
Check whether fans are working properly.
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