Operation and Maintenance Instructions

Table Of Contents
Maintenance
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7.7 How to clean the electric heating coil
Clean the heating rods with compressed air, vacuum or a brush. Remove the fan for access, see chapter 7.5.
7.8 How to clean the extract air louvres and inlet diffusers
Remove diffusers and louvres and wash in hot soapy water when necessary. Remount them with their original settings
and positions in order not to unbalance the system.
7.9 Clean the outdoor air intake
Clean the air intake grille once a year.
7.10 How to clean the duct system
Clean steel ducts by pulling a brush through the duct via diffuser, louvre openings or special inspection hatches in the
duct system (if fitted). Use hot soapy water.
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