VPEX
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Additional operating instructions according to ATEX 2014/34/EU PERFORMANCE DATA TESTS AND STANDARDS • Operating temperature: 10 - 50° C • Ambient temperature: 0 - 50° C • Measuring range: 0 - 300 Pa • Housing leakage according to DIN EN 1751, class C • Damper leaf leakage according to DIN EN 1751, class 3 • with command signal 0-10 V DC or 2-10 V DC • For regulating the air velocity in duct in the range of 2-13 m/s • VDI 6022, Sheet 1: Hygienic requirements of ventilation and air-conditioning systems • DIN EN 13779 (2007): Ventilation of non-residential buildings • Leakage air: EN 1751 (2014-06) Ventilation for buildings -Aerodynamic testing of damper and valves Special features APPROVALS AND CERTIFICATES • RoHS 2002/95/EC • Leakage air: EN 1751 (2014-06) • 2014/34/EU ATEX (product directive) • REACH 1907/2006 • EMC 2004/108/EC • suitable for use with aggressive air • position-independent installation possible • Low pressure loss • For volumetric flow and linear pressure control of rooms or ducts • with spring return actuator (if required) • simple installation and commissioning because it has already been wired and programmed by the manufacturer SCHAKO | Ferdinand Schad KG SteigstraRe 25-27 D-78600 Kolbingen

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ATEX volumetric flow controller VPEX Additional operating instructions according to ATEX 2014/34/EU Table of Contents Construction subject to change No return possible

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ATEX volumetric flow controller VPEX Additional operating instructions according to ATEX 2014/34/EU Overview of product versions | Function OVERVIEW OF PRODUCT VERSIONS VPEX-… Round volumetric flow controller  for regulating the air velocity in the duct in the range of 2-13 m/s  with ATEX unit FUNCTION The volumetric flow controller allows the volumetric flow in ducts to be kept constant or to be regulated using positive control Vmin, Vmax or "CLOSED". The volumetric flow controller can also be used as a room or duct pressure regulator. In VAV systems the volumetric flow controller can...

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ATEX volumetric flow controller VPEX Additional operating instructions according to ATEX 2014/34/EU Areas of application | Processing AREAS OF APPLICATION • for supply and return air systems • for hazardous areas of zones 1, 2, 21 and 22 • also for explosion group llC in zones 1 and 2 (gases) • with air contaminated with aggressive media • Control components with protection index IP 66 • for constant CAV or variable VAV installations • for positive control Vmin, Vmid, Vmax, "OPEN" or "CLOSED" • For volumetric flow and linear pressure control • Measuring range: 0...300 Pa • at ambient...

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ATEX volumetric flow controller VPEX Additional operating instructions according to ATEX 2014/34/EU Available sizes | Useable volumetric flow ranges AVAILABLE SIZES USEABLE VOLUMETRIC FLOW RANGES NW 100 - sealing airtight to DIN-EN 1751, class 2 NW 125 - NW 400 sealing airtight to DIN-EN 1751, class 3. Construction subject to change No return possible NW (mm) ATTENTION: important for parameterisation of the VPEX • The table of "useable volumetric flow ranges" corresponds to the complete measuring range. • When the air volume drops below Vmin, the correct functioning of the volumetric flow...

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ATEX volumetric flow controller VPEX Additional operating instructions according to ATEX 2014/34/EU Accessories | Static minimum pressure difference Flat flange (-FF4), on both sides NW NW 110 sealing airtight to DIN EN 1751 class 2 NW 125 - 400 sealing airtight to DIN EN 1751 class 3 Construction subject to change No return possible

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ATEX volumetric flow controller VPEX Additional operating instructions according to ATEX 2014/34/EU Flow generated noise - Pressure loss 150 Pa / 200 Pa | Construction subject to change No return possible

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ATEX volumetric flow controller VPEX Additional operating instructions according to ATEX 2014/34/EU Flow generated noise - Pressure loss 250 Pa / 500 Pa | Construction subject to change No return possible

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ATEX volumetric flow controller VPEX Additional operating instructions according to ATEX 2014/34/EU Radiated noise - Pressure loss 150 Pa / 200 Pa | Construction subject to change No return possible

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ATEX volumetric flow controller VPEX Additional operating instructions according to ATEX 2014/34/EU Radiated noise - Pressure loss 250 Pa / 500 Pa | Construction subject to change No return possible

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CONNECTION DIAGRAM OF ATEX UNIT ATEX volumetric flow controller VPEX Additional operating instructions according to ATEX 2014/34/EU Connection diagram of ATEX unit | Connection diagram of ATEX controller r- Terminal strip for ExReg V300-A ExBox Y/S-SW Connection assignment of ATEX controller V300-A Connection of Schischek ExReg-V300-A ExReg-V300-A is the standard version for controlling variable volumetric flows (VAV). The alarm contact (terminal 3) serves to provide feedback for normal operation. Moreover, the device has an analogue output (terminal 11) which emits the current setpoint...

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ATEX volumetric flow controller VPEX Additional operating instructions according to ATEX 2014/34/EU Prior to mounting and commissioning | Connection diagram of ATEX controller PRIOR TO MOUNTING AND COMMISSIONING An instruction leaflet containing information on safety, transport disposal, installation, commissioning and maintenance is enclosed with each SCHAKO product. For safety reasons, this instruction leaflet must be read under all cicumstances and completely adhered to. Marking The product has the following test number and ATEX marking: II 2G Ex h IIC T6 Gb II 2D Ex h IIIC T80°C Db The...

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ATEX volumetric flow controller VPEX Additional operating instructions according to ATEX 2014/34/EU Maintenance and service | Installation information To avoid unnecessary controller errors, the min. distances according to the following table / drawings must be observed. For combinations of several connection pieces or pieces with fire dampers or silencers, the larger minimum distances must be observed. All volumetric flow controllers can be assembled with horizontal or vertical damper axis. Assembly and maintenance instructions 1. The controllers must be assembled in a way to allow...

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