400895 Topvex FR Operation and Maintenance Instructions
Topvex FR800, FR1600, FR3800 Operation and Maintenance Instructions
Systemair Inc.
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2
Tilt the support bars to the back.
3
Itisnowpossibletofoldthelterandframe
backwards. This is especially important it there
is lack of space in front of the unit and the sliding
door kit is used.
Theltercannowbetakenoutoftheunit.
5.3 Maintenance Instructions
5.3.1 Changing Supply/Extract Air Filter
Thebagltercannotbecleanedandmustbechangedwhennecessary.Newlterscanbeorderedfrom
Systemair.Operationtimebetweenlterchangesdependsontheairpollutionattheinstallationsite.A
differentialpressureswitchindicateswhenit’stimetochangethelters.Thiswilltriggeranalarminthe
control panel.
When this occurs do the following:
1.Replacethelterswithnewonesasdescribedbelow.
2.Acknowledgethealarmbypressingtheredbuttononthecontrolpanel(pos.1gure4)followedbyOK
(pos.4gure4).
3. Choose →Acknowledge by pressing OK.
Theltersaretakenoutaccordingtothebelowprocedure:
1
Releasethelterframebypullingtheltersupport
bars.