® Volumetric flow controller VAQS Contents Description ............................3 Field of application ..................................4 Installation ....................................4 Construction ....................................5 Model ......................................5 Accessories ....................................5 Models and dimensions ......................... 5 Dimensions ....................................5 Dimensions of accessories ................................ 5 Technical data ............................ 7 Volumetric flow range ................................
If the changes in air volume are so large that the calibration curve must be changed, the controllers must either be recalibrated in-factory or the calibration curve must be changed on-site by the customer service of Schako. 08/23 - 3 Version: 09.05.2019...
® Volumetric flow controller VAQS ® Field of application Installation information for VAQS Distance to a bent connection spigot - for supply and return air systems - for constant or variable volumetric flows - Positive control V , "OPEN" or "CLOSED" - Suitable for constant and variable volumetric flow or duct pressure control min.
® Volumetric flow controller VAQS Construction Models and dimensions Dimensions Housing ® VAQS ...-DS0 - Galvanised sheet steel - Galvanized sheet steel with DD coating Blades - opposed, made of extruded aluminium profile Blade seal - made of PUR, silicone-free - for airtight design to DIN 1751, Class 3 Blade support - plastic...
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® Volumetric flow controller VAQS Mineral wool silencer (-ZSQ) with baffles type MWK-OB Connection side for VAQS with 1 baffle with 2 baffles with 3 baffles Available sizes and insertion loss for mineral wool silencer (-ZSQ) [dB/Okt] (mm) (mm) (mm) (Hz) 1000 The parameters KA (number of baffles), K (baffle strength ) and S (gap width ) depend on the width B.
LMV/NMV-D3-MF are delivered as standard with a volumetric flow controller is in this case inactive, and the damp- SCHAKO 2 - 10 V DC drive (w-signal). Upon activation with 2 V er is driven to the mechanical open position.
® Volumetric flow controller VAQS Circuit diagrams Compact controller Belimo make LMV/NMV-D3-MF - Attention: not MP-bus-capable VAV with analogue command signal VAV with lock (CLOSED) Mode 2-10V DC VAV command signal VAV command signal Switchover CLOSED / MP / actual value signal VAV operation MP / actual value signal on site...
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® Volumetric flow controller VAQS LED table of functions for LMV/NMV-D3-MF ⊕ Application Function Description / action Adaptation LED 1 power ⊕ pattern Address LED 2 status N1 operation Status display - 24V power supply o.k. LED 1 - VAV-Compact ready for operation LED 2 S1 service function Synchronisation Synchronisation started by: LED 1...
® Volumetric flow controller VAQS Setting the operating potentiometers / calculation Actual value measurement via feedback signal U using a voltmeter or PC-Tool formulae LMV/NMV-D3-MF Set value for V Supply voltage: 24 V AC/DC V max (Terminals 1+2) × --------------- - EW V 100% V nenn...
® Volumetric flow controller VAQS Technical data of the controller Functional control LMV/NMV-D3-MF (make Belimo) LMV/NMV-D3-MF: Functional control Electrical connection Dynamic pressure sensor, digital VAV controller and damper drive VAV-Compact solution Apply supply voltage 24 V AC (±10%) to terminals 1 + 2. Is the polarity of the system neutral conductor correct? Measuring principle : Pressure reading with volumetric flow...
® Volumetric flow controller VAQS Startup using PC-Tool Connection diagram 1 Direct connection in the switch cabinet or socket (traditional application) ZTH EU as MP level converter ...A-MF ...A-MP ...D3-MP ...ALON ...D3LON Local connection via a service socket of the MF/MP or LON drive using a ZK1-GEN cable.
® Volumetric flow controller VAQS Startup using the setting and diagnostic device ZTH Keys / Display: EU (Belimo) 2 x 16-digit LCD with background lighting Forwards / Backwards Change value / status Confirm input Cancel input/ Leave submenu/ Discard changes shows additional information if available Connection: Locally via service socket...
= Set value of maximum air volume Complaints have to be communicated immediately and di- Vmax (m³/h) = Nominal air volume rectly to the transporter and SCHAKO. Nenn (m/s) = Duct velocity 2. The volumetric flow controller must not be carried on the...
® Volumetric flow controller VAQS Order details VAQS Type Width Height Material Attachment Mode Volumetric flow Volumetric flow Acoustic Damper position assembly cladding Example VAQS -0250 -200 -A007 -00200 -01500 -DS2 Sample VAQS-0250-200-DD-A007-0-00200-01500-DS2-NA Volumetric flow controller type VAQS, rectangular design | width 250 mm | height 200 mm | galvanised sheet steel with DD-coating | with LMV-D3-MF SO | 0-10 V | V =200 m³/h | V =1500 m³/h | with acoustic cladding 20 mm | no spring return actuator...
® Volumetric flow controller VAQS Order details ZSQ Type Width Height Material Profile connection Example -1000 -0400 Example ZSQ-1000-0400-SV-M2 Mineral wool silencer, rectangular design, with baffles type MWK-OB | width 1000 mm | height 400 mm | galvanised sheet steel | with METU flange M2 Order details 01 - Type...
AC, 50 / 60 Hz, requirement: measuring air 0...+50°C/5...95% rH, non-condensing, wired and adjusted in-factory. Right-hand design. ® Product: SCHAKO type VAQS Housing (at an extra charge): - galvanised sheet steel with DD coating (-DD) Accessories (at an extra charge):...
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