![Helios acousticline InlineVent KR Series Installation And Operating Instructions Manual Download Page 24](http://html1.mh-extra.com/html/helios/acousticline-inlinevent-kr-series/acousticline-inlinevent-kr-series_installation-and-operating-instructions-manual_2120808024.webp)
UK
6
Rectangular Centrifugal Fans – InlineVent
®
SKR/KR ...
Installation and Operating Instructions
3.2 Accessories
The use of accessories not offered or recommended by Helios is not permitted. Any potential damage is not
covered by warranty.
Flexible couplings
VS..
Multi-leaf damper for duct installation
JVK
Outside wall cover flap
VK..
Weather protection grille
WSG..
Fitting
FSK..
Counterflange
GF
Vibration damper for tensile load
SDZ
Vibration damper for pressure load
SDD
Duct sound damper
KSD..
Electronic speed controller (recessed mounting)
ESU..
Electronic speed controller (surface mounting)
ESA..
Electronic speed controller for 3 fans
ESD
Frequency converter
FU..
Transformer speed controller 5-stage
TSW.. / TSD..
Transformer speed controller with motor protection device
MWS / RDS..
Motor protection switch
MW / MD
Warm water heater battery
WHR
Temp. control system for warm water heater battery
WHS.../ WHS HE...
Electric heater battery
EHR-K..
Temp. control system for electric heating battery EHR-K..
EHSD..
Duct air filter
KLF.. G4
KLF.. F7