12.6 Accessories
The following accessories are available upon request:
1
VKA-P
Adjustable closing cap for regulation of the air fl ow in the channels
2, 5
ASS-P
Flexible connectors: reduction of vibrations which could be transmitted to the ventilation chan-
nels
3
WSD
Weather-protection roof
4
VP
Splinter protection
6
VKS-P
Automatic closing cap for regulation of the air fl ow in the channels
7
SD
Vibration damper: reduction of vibrations
1
2
3
4
5
6
7
Fig. 5:
PRF with accessories
13
De-installation / dismantling
13.1 Safety information
WARNING
Risk from electrical voltage!
»
De-installation only by a trained electrician or trained and instructed qualifi ed personnel!
»
Pay attention to the 5 rules of electrical engineering:
–
- clear (all-pole separation of an electrical system from live parts),
–
- secure against switching on again
–
- establish freedom from voltage,
–
- earth and short-circuit,
–
- cover or fence off neighbouring live parts.
57
Fan types PRF and PRF EX - 10.2013
