16
Fan Unit ELS-V..
Installation and Operating Instructions
8.0 Service work instructions
m
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
m
The safety instructions specified in section 1.2 must be observed!
m
The unit must be fully isolated from the power supply before all maintenance and installation work and
before opening the terminal compartment!
CHAPTER 8
SERVICING AND
MAINTENANCE
m
DANGER
Fig.26
ä
Release
catch!
Pin
ù
Remove filter!
Pull!
Fig.27
Fig.29
ò
Loosen screws!
Fig.30
Remove unit
at the lugs!
ò
ò
ù
Fig.28
1.
Unlock snap-in hooks with finger!
2.
3.
EN
