VSC OPERATION AND MAINTENANCE INSTRUCTIONS 4 118 0324 2 IOM
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Topvex FC
Compact Air Handling Unit
Operation and Maintenance Instructions
Document in original language
125918-EN_GB
2015-03-16 A001
Operation and Maintenance Instructions
Systemair AB
5.3.2 Changing Supply/Extract air lter
The lter cannot be cleaned and must be changed when necessary. New lters can be ordered from
Systemair. Operation time between lter changes depends on the air pollution at the installation site. A
dierential pressure switch indicates when it’s time to change the lters. This will trigger an alarm in
the control panel.
When this occurs do the following:
1. Replace the lters with new ones as described below.
2. Acknowledge the alarm by pressing the red button on the control panel (pos.1 gure 3) followed by OK
(pos.4 gure 3).
3. Choose →Acknowledge by pressing OK.
Open the door as described in chapter 5.3.1.
Fig. 5 Changing the lters