VRP-M VAV
Ready-to-connect system solution
www.belimo.eu
Product information S4-VRP-M VAV • en • v2.0 • 11.2006 • Subject to changes
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Electrical installation
Wiring diagrams: VAV operation
Example 1:
With analogue reference signal
Example 2:
DC 0 ... 10 V with shut-off (CLOSED)
Conventional operation:
See pages 10 and 11 for a description of
functions such as control priority
AC 24 V
DC 24 V
~
T
+
_
T
4
3
2
1
VRP-M
MP
w
~
T
+
_
5 6 7
U5 z1 z2
VFP-...
NM...-ST
VRP-M
Tool
4
3
2
1
VRP-M
MP
w
~
T
+
_
5 6 7
U5 z1 z2
VFP-...
NM...-ST
VRP-M
Tool
+
DC 24 V
_
AC 24 V
DC 24 V
~
T
+
_
T
Example 3:
DC 0 ... 10 V with shut-off / parallel control
4
3
2
1
VRP-M
MP
w
~
T
+
_
5 6 7
U5 z1 z2
VFP-...
NM...-ST
VRP-M
Tool
+
DC 24 V
_
AC 24 V
DC 24 V
~
T
+
_
4
3
2
1
VRP-M
MP
w
~
T
+
_
5 6 7
U5 z1 z2
VFP-...
NM...-ST
VRP-M
Tool
+
DC 24 V
_
T
Example 4:
With bus control
Beispiel 5:
Typical application: MP with shut-off (CLOSED)
Bus control:
See pages 16 to 18 for a description of functions
MP
~
T
+
_
AC 24 V
DC 24 V
4
3
2
1
VRP-M
MP
w
~
T
+
_
5 6 7
U5 z1 z2
VFP-...
NM...-ST
VRP-M
Tool
MP
~
T
+
_
AC 24 V
DC 24 V
4
3
2
1
VRP-M
MP
w
~
T
+
_
5 6 7
U5 z1 z2
VFP-...
NM...-ST
VRP-M
Tool
Reference value input w
0 ... 10 / 2 ... 10 / adjustable
PP/MP communication
Volume flow actual value U5
0 ... 10 / 2 ... 10 / adjustable
Control input z
PP/MP communication
Volume flow actual value U5
0 ... 10 / 2 ... 10 / adjustable
CLOSED (shut-off)
ZU (Absperrung)
CLOSED (shut-off)
Reference value input w
0 ... 10
Note
– Supply via safety isolation transformer!
– We recommend routing connections 1, 2
(AC/DC 24 V) and 4 (MP signal) to accessible
terminals (floor distributor, control cabinet, etc.),
in order to simplify access with the VRP-M-Tool
for diagnostic and service work.
!
