VLV55|VLV65 - Volumetric flow controller
TECHNICAL DOCUMENTATION
Technical data of controllers and motors |
Construction subject to change
No return possible
Version: 2017-04-24 | Page 25
227VM-024-05
(make GRUNER)
Dynamic pressure sensor, digital VAV controller and damper
drive as communication-capable VAV-Compact solution.
Measuring principle:
Pressure reading with volumetric flow
Measuring range sen-
sor:
0…
∼
250 PA
(bursting pressure 1 bar)
Supply voltage:
AC 24 V 50/60 Hz, DC 24 V
Functional range:
AC 19…29 V, DC 19…29 V
Power consumption:
2.5 W (5 Nm)
Dimensioning:
4.0 VA (5 Nm)
Torque:
min. 5 Nm at the rated voltage
(10 Nm, 15 Nm, optional)
Control function:
VAV/CAV
Supply/return air or stand-alone opera-
tion;
master/slave parallel circuit
Setting range:
V
min
to V
max
V
min
=0…100% of V
nom
V
max
=0…100% of V
nom
V
konst.
=0…100% of V
nom
Command variable Y/Z
(inherent resistance
min. 100 k
Ω
)
DC 0-10 V (0-20 mA min. 500
Ω
inherent resistance)
DC 2-10 V (4-20 mA min. 500
Ω
inherent resistance)
Setting range:
(
actual value signal
U/PP)
DC 0-10 V
DC 2-10 V
DCC controller:
DCC controller or PLC
Sensor integration:
passive or active sensor (0-10 V)
for example, humidity, temperature
2-point signal (switching power 16 mA
24 V), for example switch, motion detec-
tor
Protection class:
III (Safety extra low voltage)
Protection type:
IP54 (measuring hoses connected)
Measuring air and
ambient temperature
0-70 °C (medium), 5-95 °C relative
0-50 °C (environment), humidity
non-condensing
Storage temperature:
-20 °C to +80 °C
Sound power level:
<35 dB(A)
Operation and service:
using the display by means of a screw-
driver directly at the device or via the
feedback signal with
PC software
Connection:
cable 1000 mm, 4 x 0.75 mm
2
(halogen-free), terminals
Dimensions::
115 x 65 x 61 mm
Weight:
approx. 435 g
Maintenance: maintenance-free
