Variable air volume controllers
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53
Technical data
Supply
Nominal voltage
AC 24V, 50/60 Hz, DC 24 V
Operating range
AC 19.2 … 28.8V, DC 21.6 … 28.8V
Differential pressure sensor
Type, principle of operation
Belimo D3 sensor, dynamic response
Operating range
0 … 600 Pa
Overload capability
±3000 Pa
Installation position
Any, no reset necessary
Materials in contact with medium
Glass, epoxy resin, PA, TPE
Control function
– VAV-CAV
– Open-loop operation
Adjustment values
nom
OEM-specific nominal volumetric flow setting, suitable for the VAV unit
∆p @
nom
50 ... 450 Pa
max
20 … 100% of
nom
min
0 … 100% of
nom
mid
50% of
min to
max
Classic control
VAV mode for reference value input Y
(Connection 3)
– DC 2 … 10V / (4 … 20 mA with 500 Ω resistance)
– DC 0 … 10V / (0 … 20 mA with 500 Ω resistance)
– Adjustable DC 0 … 10V
Input impedance min. 100 kOhm
Mode for actual value signal U5
(Connection 5)
– DC 2 … 10V
– DC 0 … 10V
– Adjustable: volumetric flow, damper position or differential pressure
max. 0.5 mA
CAV operating modes (constant volumetric
flow)
CLOSED /
min / (
mid *) /
max / OPEN * (* only with AC 24V supply)
MP-Bus function
Address in bus operation
MP1 … 8 (classic operation: PP)
LONWORKS ® / EIB-Konnex / Modbus RTU /
BACnet
With BELIMO Interface UK24LON / UK24EIB / UK24MOD / UK24BAC
1 … 8 BELIMO MP devices (VAV / damper actuator / valve)
DDC controller
DDC controllers/programmable controller with an integrated MP interface from various
manufacturers
Fan optimiser (fan control)
With BELIMO Fan Optimiser COU24-A-MP
Sensor integration
Passive (Pt1000, Ni1000, etc.) and active sensors (0…10V), e.g. temperature, humidity
2-point signal (switching capacity 16 mA @ 24V), e.g. switches, occupancy switches
Operating and service
Pluggable / PC-Tool (V3.6 or higher) / service tool ZTH-GEN
Communication
PP/MP-Bus, max. DC 15V, 1200 baud
Push-button
Adaption / addressing
LED display
– 24V supply
– Status / bus function
Actuator
Brushless, non-blocking actuator with power-save mode
Direction of rotation
ccw / cw or ↑ / ↓
Adaption
Capture of setting range and resolution to control range
Gear disengagement
Push-button self-resetting without functional impairment
Sound power level
Max. 35 dB (A), SMV-D3-MP max. 45 dB (A)
Actuator - rotating
Angle of rotation
95° , adjustable mechanical or electronic limiting
Position indication
Mechanical with pointer
Spindle driver
– Clamp, spindle round 10 ... 20 mm / spindle square 8 ... 16 mm
– Form fit in various versions, e.g. 8 x 8 mm
Actuator – linear
Stroke
100, 200 or 300 mm, adjustable mechanical or electronic limiting
Connection
Cable, 4 x 0.75 mm 2
Safety
Protection class
III Safety extra-low voltage
Degree of protection
IP54
Electromagnetic compatibility
CE according to 89/336/EEC
