Fancom VLR.20 - Page 7

Gndf
4
g
The VLR.20 has four jumpers with which different settings can be made. The factory setting is for fan(s) with DSR
feedback.
Disconnect the power for the VLR.20 before setting the jumper(s).
Application
Jumper setting
Heat/
vent
SF
10-0V/
0-10V
Vent./Lighting
Fan without DSR feedback
Place with small fan Ø35 and
Ø 40. (Jumper is in small bag
in lid)
preferably
10-0Vdc
V
Fan with DSR feedback*
Do not place
preferably
10-0Vdc
V
Lighting
(incandescent / controllable
fluorescent)
Do not place
preferably
10-0Vdc
L
*
Factory setting
**
Change over the red (RD) and blue (BL) wire on the manual operation connector.
1. Check whether the VLR.20 has been connected correctly.
2. Check whether the VLR.20 works optimally.