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Technical documentation SCHAKO | Ferdinand Schad KG Steigstrasse 25-27 D-78600 Kolbingen

VMPR/VMPQ TECHNICAL DOCUMENTATION Field of application | Useable volumetric flow ranges FIELD OF APPLICATION USEABLE VOLUMETRIC FLOW RANGES Volumetric flow controller for supply and return air systems, suitable for regulating a constant volumetric flow with the option of electrical setpoint adjustment. ATTENTION The VMPR/ VMPQ is an adjusted controller working by the mechanism of action principle. Tampering with the controller, whether manually or mechanically, are prohibited. When a high volumetric flow setting has been selected, the damper leaf must never be closed manually. Otherwise,...

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VMPR / VMPQ TECHNICAL DOCUMENTATION Function | Processing The constant volumetric flow controller VMPR/ VMPQ works independently without requiring additional energy. The central, ball-bearing flap is moved by the air current. The control unit with control cam, spring and damper is attached to the outside of the galvanised sheet steel housing. The required volumetric flow is set in-factory. An adjustment of the volumetric flow at a later stage is possible (setting cam on housing). The control unit is protected with a cover. The controller can be assembled in any assembly position. ---...

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VMPR/VMPQ TECHNICAL DOCUMENTATION Accessories | Acoustic cladding (-DS 2) made of sound-absorbing, insulating 20 mm material, nonflammable to DIN 4102-17, with sheet steel casing made of galvanised sheet steel (standard), stainless steel 1.4301 (V2A) or 1.4571 (V4A), with cage nuts (M6) (VMPQ only) Flat-bed acoustic cladding (-FD1) - VMPR only Made of sound-absorbing, insulating 3 mm material with sheet steel casing made of galvanised sheet steel (standard), stainless steel 1.4301 (V2A) or 1.4571 (V4A) Flat flange (-FF1/-FF2) - VMPR only on both sides, to DIN 24 154/5, made of the same...

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VMPR/VMPQ TECHNICAL DOCUMENTATION Dimensions of VMPR / VMPQ | DIMENSIONS OF VMPR / VMPQ VMPR Round design, for duct connection to DIN EN 1506, position-independent installation. VMPQ Rectangular design, for duct connection to DIN 1505, right-hand design The VMPQ is only delivered in right-hand design. If it is necessary to arrange the control unit on the left-hand side, then the VMPQ must be rotated by 180°. Available sizes for VMPR NW Available sizes for VMPQ xL) = with two control units Construction subject to change No return possible

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VMPR / VMPQ TECHNICAL DOCUMENTATION Dimensions of VMPR accessories | DIMENSIONS OF VMPR ACCESSORIES Acoustic cladding (-DS2, insulation = 20 mm) on both sides - VMPR only - according to DIN 24 154/5 Acoustic cladding Flat-bed acoustic cladding (-FD1) Available sizes flat flange (-FF1/-FF2) NW Available sizes for flat-bed acoustic cladding (-FD1) Flat-bed acoustic cladding with counter flange (-GF), loose and tension ring (-SR), loose on both sides (VMPR only) Electric actuator VMPR only Construction subject to change No return possible

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VMPR/VMPQ TECHNICAL DOCUMENTATION Dimensions of VMPR accessories | Packing thickness - duct silencer (-RS) Construction subject to change No return possible

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VMPR/VMPQ TECHNICAL DOCUMENTATION Dimensions of VMPQ accessories | Acoustic cladding (-DS2, 20 mm insulation) Mineral wool silencer (-ZSQ) Construction subject to change No return possible

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VMPR / VMPQ TECHNICAL DOCUMENTATION Prior to assembly and commissioning | Installation-maintenance-service 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 circumstances and completely adhered to. Required distances 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...

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VMPR / VMPQ TECHNICAL DOCUMENTATION Minimum static pressure difference | MINIMUM STATIC PRESSURE DIFFERENCE VMPR / VMPQ Δpst min [Pa] 250 Construction subject to change No return possible

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VMPR / VMPQ TECHNICAL DOCUMENTATION VMPR - controller position (∆pst min) | VMPR - CONTROLLER POSITION (∆pST MIN) VMPR-80 Construction subject to change No return possible

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VMPR/VMPQ TECHNICAL DOCUMENTATION VMPR - controller position (m3/h) | Construction subject to change No return possible

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VMPR/VMPQ TECHNICAL DOCUMENTATION VMPR - Flow-generated noise | Construction subject to change No return possible

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VMPR / VMPQ TECHNICAL DOCUMENTATION VMPR - Radiated noise | Construction subject to change No return possible

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VMPR/VMPQ TECHNICAL DOCUMENTATION VMPR - Radiated noise with acoustic cladding | Construction subject to change No return possible

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VMPR/VMPQ TECHNICAL DOCUMENTATION VMPR-RS - insertion loss | With duct silencer (-RS)

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VMPR/VMPQ TECHNICAL DOCUMENTATION VMPQ - controller position part 1 | Construction subject to change No return possible

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VMPR / VMPQ TECHNICAL DOCUMENTATION VMPQ - controller position part 2 | In controller positions 1 and 2, Ap must be >100 Pa. * = Activation in volts for VMPQ with E016 and E046 Construction subject to change No return possible

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VMPR/VMPQ TECHNICAL DOCUMENTATION VMPQ - flow-generated noise part 1 | Construction subject to change No return possible

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VMPR/VMPQ TECHNICAL DOCUMENTATION VMPQ - flow-generated noise part 2 | Construction subject to change No return possible

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VMPR/VMPQ TECHNICAL DOCUMENTATION VMPQ - radiated noise part 1 | Construction subject to change No return possible

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VMPR/VMPQ TECHNICAL DOCUMENTATION VMPQ - radiated noise part 2 | Construction subject to change No return possible

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VMPR/VMPQ TECHNICAL DOCUMENTATION VMPQ - radiated noise with acoustic cladding part 1 | Construction subject to change No return possible

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VMPR/VMPQ TECHNICAL DOCUMENTATION VMPQ - radiated noise with acoustic cladding part 2 | Construction subject to change No return possible

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VMPR/VMPQ TECHNICAL DOCUMENTATION VMPQ-ZSQ - insertion loss | Legend VMPQ-ZSQ - INSERTION LOSS With mineral wool silencer (-ZSQ) (VMPQ with baffles type MWK-OB only) CALCULATION FORMULAE Calculation of the volumetric flow v = Vk x F x 3600 where : Vk (m/s) = duct velocity | F (m2) = area Example for diameter 200 mm Vk = 4 m/s F = 0.0314 m2 V = Vk x F x 3600 = 4 m/s x 0.0314 m2 x 3600 V = 452 m3/h Level correction value / octave Pressure difference minimum static pressure difference pressure loss Effective pressure Inflow area (W x H) Width Insertion loss maximum air volume set value Octave...

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