Service Work Instructions; Fan Unit Disassembly; Servicing And Maintenance - Helios ELS EC Série Notice De Montage Et D'utilisation

Installation and Operating Instructions
EN
CHAPTER 8
SERVICING AND
MAINTENANCE
m
DANGER
Fan unit ELS EC..
8.0

Service work instructions

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The safety instructions specified in section 1.2 must be observed!
Contaminated and humid air can affect constant functional reliability. A periodical functional inspection of the back-
draught shutter is recommended. With regard to units with a fire protection damper, the corresponding points of the
relevant approval must be observed. With regard to units with integrated start-up delay and overrun, it must be ensured
that there is a delayed start after activation and an overrun corresponding to the overrun time after deactivation.
8.1 Disassembly of fan unit
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The safety instructions specified in section 1.2 must be observed!
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The unit must be fully isolated from the power supply before all maintenance and installation work and
before opening the terminal compartment!
Fig.24
Pin
Pull!
Release
catch!
Remove filter!
Fig.26
1.
ò
3.
Unlock snap-in hooks with finger!
Fig.28
ò
ò
Fan unit
Grille with hinged facade cover – with filter holder and filter cleaning indicator
ù
Permanent filter
ä
Fig.25
ä
ù
Fig.27
Remove unit
2.
at the lugs!
16
Loosen screw!
ù
ò