Volumetric flow controller VAQS
®
08/23 - 10
Construction subject to change.
No return possible!
09.05.2019
Version:
Circuit diagrams
Compact controller Belimo make LMV/NMV-D3-MF - Attention: not MP-bus-capable
VAV with analogue command signal
MP / actual value signal
PC tool
VAV command signal
on site
VAV with lock (CLOSED)
Mode 2-10V DC
PC tool
VAV command signal
MP / actual value signal
Switchover CLOSED /
VAV operation
C
LO
S
ED
on site
Lock mode (CLOSED)
In the 2 - 10 V mode, the following function
can be carried out with a 0 - 10 V signal:
**Attention: Controller/DDC must be able to
pull the command signal to 0 V.
Com-
mand sig-
nal Y
Volumetric
flow
Function
< 0.1 V ** 0
Damper CLOSED,
VAV control inac-
tive
0.2...2 V
V
min
V
min
operating
stage active
2...10 V
V
min
... V
max
Continuous opera-
tion V
min
... V
max
No. Designation
Wire colour Function
1
-
⊥
black
⊥
-
Feed
AC/DC 24 V
2
+
∼
red
∼
+
3
Y
white
VAV / CAV command signal
5
U orange
- Actual value signal
}
Cable designations
CAV operation / positive contacts
Note:
Please ensure mutual locking
of the contacts!
PC tool
VAV command signal
MP / actual value signal
on site
CAV function for LMV/NMV-D3-MF
Mode
setting
---
0...10 V 0...10 V 0...10 V
0...10 V
2...10 V 2...10 V 2...10 V 2...10 V
2...10 V
Signal
⊥
0...10 V
∼
∼
∼
-
2...10 V
+
Function
3
3
3
3
3
Damper
CLOSED
a)
CLOSED
c)
CLOSED*
V
min
...V
max
b) VAV
CAV - V
min
everything open - V
min
active
Damper
OPEN
e) OPEN*
CAV - V
max
d) V
max
Contact closed, function active
Contact closed, function active, in mode 2 ...10 V only
Contact open
*
not available for DC 24 V supply
