SAVE VTR 250B USER MANUALV01

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
Belt replacement
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
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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!
Open the hatch with the two latches and swing the hatch
open.
4.3 To change filters
The filters cannot be cleaned and must be changed as necessary. This is normally done 1–2 times per year depending
on the air pollution at the installation site.
It is very important to change filters regularly for performance and energy efficiency of the unit.
When it’s time to change the filters an alarm is shown on the control panel display. When this occurs do the following:
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