Manual version 3.0 - North America (15-07-2014) en-33
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.
c Make sure no water runs into the unit.
4.2 Scheduled maintenance
Biddle recommends to have the following inspection and main-
tenance works performed by an installer or other technical
expert each 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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