Maintenance
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3.2.8.1 To schedule airflow settings
Touch settings icon to go to SCHEDULE AIRFLOW SETTINGS menu. In this
menu set airflow level for scheduled and unscheduled periods. Available lev-
els: Off, Low, Normal, High or Demand.
Set temperature setpoint offset for both periods (-10°C – 0°C).
Demand level is available only if Demand Control or External fan function is active.
4 Maintenance
Danger
• Make sure that the mains supply to the unit is disconnected before performing any maintenance or
electrical work!
Warranty claims can only be made if maintenance work is carried out correctly and written evidence thereof is
provided.
4.1 Maintenance Schedule
Task 6 months
1 year 3 years
When necessary
General inspection
X
Filter change
X X
Fan cleaning
X
Heat exchanger cleaning
X X
Checking and cleaning louvres/
diffusers
X
Checking and cleaning outdoor air
intake
X
Checking and cleaning roof cowl (if
fitted)
X
Cleaning of duct system
X
1
Drainage system cleaning
X
1. It is recommended to do this every 5 years and is normally carried out by authorized companies specialized in this area.
• Use original spare parts from Systemair only.
• Scan the code on the type label to find a spare part list.
4.2 To access internal components
Danger
• Make sure that the mains supply to the unit is disconnected before performing any maintenance or
electrical work!
• Risk of personal injury! The heat exchanger is heavy. There is a risk that the heat exchanger falls out of
the unit.
252219 | v1.0
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