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Maintenance-free
VR1 volume flow controller
that operates without an auxiliary power supply,
for ventilation and air conditioning systems.
■ Adjustable on site.
■ Outstanding control accuracy.
■ Sizes DN 80 to DN 315.
■ Casing tightness class C according to DIN EN 1751.
The German original version of this document shall prevail.
User Manual 3.1 (2016-04) 1
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Summary of Contents for Wildeboer VR1
- Page 1 Maintenance-free VR1 volume flow controller that operates without an auxiliary power supply, for ventilation and air conditioning systems. ■ Adjustable on site. ■ Outstanding control accuracy. ■ Sizes DN 80 to DN 315. ■ Casing tightness class C according to DIN EN 1751. The German original version of this document shall prevail. User Manual 3.1 (2016-04) 1...
- Page 2 VR1 volume flow controller Overview With the basic version of the VR1 volume flow controller, the volume flow set point is adjusted manually. The controllers operate without an auxiliary power supply! The volume flow set point is preselected at an adjusting device with scale and kept constant at variable pressures to a high degree of accuracy. The controllers are adjusted...
- Page 3 X = 65 mm; with actu- L1 = 40 mm; from DN ≥ 250 ator-driven adjustment, L1 = 60 mm X = 130 mm VR1 volume flow controllers are maintenance-free mechanical controllers 1 Duct casing that operate without an auxiliary power supply to maintain volume flows in 2 Control device ventilation and air conditioning systems constant. 3 Volume flow set point adjustment...
- Page 4 VR1 volume flow controller Sound power level in the connecting duct (flow noise) Size DN 80 Size DN 100 Sound power level L [dB(A)] Sound power level L [dB(A)] Volume flow V [m Volume flow V [m Flow velocity V [m/s] Flow velocity V [m/s] Size DN 125 Size DN 160 Sound power level L [dB(A)]...
- Page 5 VR1 volume flow controller Sound power level in the connecting duct (flow noise) Size DN 200 Size DN 250 Sound power level L [dB(A)] Sound power level L [dB(A)] Volume flow V [m Volume flow V [m Flow velocity V [m/s] Flow velocity V [m/s] Example: Specified: Size DN 250 Size DN 315 Volume flow = 1500 m³/h...
- Page 6 VR1 volume flow controller Sound power level outside the connecting duct (radiated noise) Size DN 80 Size DN 100 Sound power level L [dB(A)] Sound power level L [dB(A)] Volume flow V [m Volume flow V [m Flow velocity V [m/s] Flow velocity V [m/s] Size DN 125 Size DN 160 Sound power level L [dB(A)]...
- Page 7 VR1 volume flow controller Sound power level outside the connecting duct (radiated noise), nomenclature Size DN 200 Size DN 250 Sound power level L [dB(A)] Sound power level L [dB(A)] Volume flow Volume flow V [m Flow velocity V [m/s] Flow velocity V [m/s] Example: Specified: Size DN 250 Size DN 315 Volume flow = 1500 m³/h...
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Page 8: Installation Instructions
VR1 volume flow controller Technical data for adjusting actuators, installation instructions Technical data for adjusting actuators Installation instructions • VR1 Volume flow controllers are adjusted for the entire scaled application area. Supply voltage 230 V AC 24 V AC/DC 24 V AC/DC • To install the controller, a straight inlet section which is at least... - Page 9 VR1 volume flow controller Order data, specification text VR1 - DN size: with duct silencer - mounting on site - 80 / 100 / 125 / 160 / 200 / 250 / 315 SRC 600 ⇒ see page 3 SRC 900 (from size DN 100) Actuator-driven set point adjustment: Presetting 230 V AC two-point/three-point actuator - not with actuator-driven set point adjustment Volume flow [m³/h] 24 V AC/DC two-point/three-point actuator The numerical value must be in the range V 24 V AC/DC continuous actuator and V according to the size of the controller! ⇒ see pages 2, 3 and 8...
- Page 10 +49 (0) 7392-9692-0 Fax: +49 (0) 7392-9692-20 -mail: info@ulm.wildeboer.de TAKE ADVANTAGE OF OUR STRENGTHS! Q U A L I T Y P R O D U C T S Air Distribution Fire Protection Noise Protection © 2000 ... 2016 WILDEBOER BAUTEILE GMBH D26826 WEENER, GERMANY...
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