Fancom VLR.20d Manual page 7

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