36
12. MAINTENANCE SPECIALISTS
CAUTION
All maintenance tasks described below for the ven-
tilation system may only be carried out by qualifi ed
specialists, otherwise there is risk of injuries or da-
mages.
12.1. MAINTENANCE PERIODS
Maintenance tasks Annually Every 2 years
Clean ventilation device, see page 37 X
Clean and fill condensate line, condensate tray and syphon dryer, see page 37 X
Clean heat exchanger, see page 38 X
Clean fan blade, see page 39 X
12.2. LOGS PREVENTIVE MAINTENANCE
Yes No
Are the fans clean and free of corrosion?
Do the fans produce no vibrations or noise when operating?
Can the fan blades turn freely when operating?
Do the lines and insulation show damages?
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