5
VAR
Swegon reserves the right to alter specifications.
20111011 www.swegon.com
Two-flow control with presence detector
The diagram shows how to wire the DETECT O presence
detector with simultaneous control of the extract air.
Two-flow control, min. or max. airflow.
Figure 12. Wiring diagram, VAR 1 (Belimo Compact).
1 = VAR Supply air.
2 = VAR Extract air.
Y
LMV-D3-MP SWN
NMV-D3-MP SWN
LMV-D3-MP SWN
NMV-D3-MP SWN
DETECT O
VAR
VAR
Y U
U
DETECT O
VAR
VAR
+
-
Figure 14. Wiring diagram, VAR 4 (Siemens).
1 = VAR Supply air.
2 = VAR Extract air.
VRD2
Se
r
Actuator
VRD3
Figure 13b. Jumper configuration, VAR 2
(Belimo Universal).
VRD2 = DETECT O controls to fully open
damper
VRD3 = DETECT O controls to preset flow for
V-max.
Figure 13a. Wiring diagram, VAR 2 (Belimo Universal).
1 = VAR Supply air.
2 = VAR Extract air.
DETECT O
-
+
-
+
VAR
VAR
1
2
U5
U5
