Siemens vav controller manual. The maximum rating is 12 VA for each DO. DXR controllers contain preloaded and configurable applications to support Variable Air Volume, Constant Volume, Fan Coil, Unit Vent, Heat Pump, Chilled Beam, and Dual Duct applications, as well as Total Room Automation (TRA). 1E/KN Series. Google Play Store. Keep these instructions with the unit or with the plant documentation! en. Attach the controller to the DIN rails. Fan coils. When wiring any actuator that uses a 0 to 10V control signal and ties AC neutral to DC common, an additional wire must connect the actuator AC neutral to the DC common of the PTEC/TEC AO being used to control the actuator. Resetting an I/O Module to Factory Settings. 1E/KN – Datasheet for VAV compact controller (N3547) [2] G. Increase productivity with an expanded Variable Air Volume (VAV) solution designed for a variety of applications. Discover the difference with Siemens CE1N3544en Smart Infrastructure 2021-10-25 . The RCU50 are especially suited for use with VAV systems in connection with VAV compact controllers type GLB181. Apr 1, 2024 · Management stations and software solutions Automation controls Room automation Critical environments Integration drivers APOGEE Wireless KNX building control Various other products Room automation P1 TEC 550-405N - ATEC VAV CONTROLLER 545-486 - Firmware Upgrade, Revision 3. Fume Hood Controller Owner's Manual 6 Siemens Building Technologies, Inc. Owner's Manual 125-5075 2015-08-26 . • Control of the supply or extract air with volume control dampers, with or without reheaters • Controller Board. Hardware . APOGEE Constant Volume Controller—Electronic Output Owner’s Manual 4 Siemens Building Technologies, Inc Power Wiring The controller is powered by 24 Vac. Application 6622 - VAV with 3-Stage Electric Heat. Air damper area. Multi-functional inputs can be configured for keycard input, window contacts or external sensors. 3) BACnet PTEC DXR Room Units Accessories Compact series The compact build permits mounting directly on the damper shaft, and is designed for VAV and FPB. Power Wiring The controller is powered by 24 Vac. 1E/KN VAV Compact Controller 5 / 10 Nm with KNX communication GDB181. Secure the controller using the provided 3/4” screws and, if necessary, the 1-3/4” screws. water. May 1, 2024 · Management stations and software solutions Automation controls Room automation Critical environments Integration drivers APOGEE Wireless KNX building control Various other products Room automation P1 TEC 550-405N - ATEC VAV CONTROLLER 545-486 - Firmware Upgrade, Revision 3. 2. Siemens Building Technologies, Inc. The ATEC VAV with Reheat Controller, however, has additional I/O: 2 AI/DIs and 2 DOs. for VAV heating and cooling systems . The Laboratory Control Modules (LCMs) and Pressurized Room Controllers (PRCs) are available on a new hardware platform. Basic Operation . Use a flat-blade screwdriver to attach the four fastening sliders to the extended position. . TEC0200BR1 24 V-AC C H E DO 1 DO 2 DO 3 DO 4 DO 5 NO C NO C NO C NO C NO C FLN DO 6 DI 3 DI 2 TRUNK NO C POWER TRUNK TERMINATIONS MOUNTING HOLE (2) CONTROLLER BOARD COVER MOUNTING RAIL DO LEDS INPUT/OUTPUT TERMINATIONS AI 3 RX TX +-BST RTS May 1, 2024 · Remove all filters. 1E/3 Technical Basics P3544 Mounting instructions VAV compact controller Mounting and installation instructions M3544 Accessories and Spare Parts for Air Damper PAGE 1. May 1, 2024 · Remove all filters. It is designed to help you become familiar with the Siemens TEC and its applications. Automation technology. 1E/KN - VAV compact controller KNX. The OpenAirTM Intelligent Variable Air Volume (VAV) actuator is a simple plug-and-play. 98. A simple plug-and-play solution that is easy to commission and delivers reliable air volume control in any system. Manuals and User Guides for Siemens BACnet VAV 2562. Siemens RDG400 is a versatile Single Duct VAV Thermostat Controller for low volt-age stand-alone applications such as in hospitality, dormitory or light commercial ap-plications. Application Jan 5, 2024 · Management stations and software solutions Automation controls Room automation Critical environments Integration drivers APOGEE Wireless KNX building control Various other products Room automation P1 TEC 550-819B - REMOTE AIR MODULE, PTEC 550-405N - ATEC VAV CONTROLLER 545-486 - Firmware Upgrade, Revision 3. The Siemens BACnet VAV Actuator has an AI (10K Thermistor), DI (dry contact) and 4 Triac type The BACnet PTEC Terminal Box (VAV) Controller consists of an electronic controller assembly and on-board differential pressure sensor. CAUTION Keep the unit in its static-proof bag until installation. Plug-in terminal blocks Plug-in terminal blocks to easily exchange room automation stations. All other connections are removable terminal blocks. 1E/3 - VAV compact controller. May 1, 2024 · Siemens Industry Catalog - Building Technologies - Building automation systems - TALON System - Room automation - Terminal equipment controllers - BACnet TEC's - 550-494PA - Siemens BACnet Programmable VAV DCV (Chilled Beam) Controller Terminal Equipment Controller Siemens Industry, Inc. iOS: Android: 2. Onwer's Manual 125-5050 2012-08-21 Chapter 1 – Product Overview The BACnet Actuating Terminal Equipment Controller (ATEC) is the Siemens Industry FLN controller used in pressure independent Variable Air Volume applications. OCC and UOC states have separate, selectable: >Differential Flow Setpoint >VAV or CAV Temp Control Mode. In this operating mode, air volume flow control by the VAV compact controllers is deactivated and the parameters Vmin, Vmid, and Vmax have no effect. Variable Air Volume Solutions. Energy-efficient, robust, flexible and reliable – save time and costs. It is suitable for supply and extract air control with volume control dampers or external compact VAV controllers. PAGE 2. The terminal is available in a variety of end configurations to match the ductwork construction. This section covers manual organization, manual conventions, symbols used in the Page 34 Terminal Equipment Controller Siemens Industry, Inc. product family of equipment controllers (one is the Siemens BACnet PTEC VAV/Terminal Box Controller) that house the applications software used to control terminal units, such as heat pumps, VAV terminal boxes, fan coil units, unit ventilators, etc. Page 1 Two-State Constant Volume Fume Hood Controller Owner’s Manual 125-5033 Rev. Temperature control varies with the application. Service and commissioning tools. An external interposing relay is required for any of the following: Application 6620 - VAV Cooling Only. Enable an integrated, connected, and sustainable future by combining room automation and variable air volume control in one VAV box. Page 1 RDG400KN Room thermostat with KNX communications For VAV heating and cooling systems KNX bus communications (S-mode and LTE mode) Backlit display PI / P control Output for VAV box / damper: DC 0…10 V / 3-position Page 2 The RDG400KN room thermostat is designed for the following types of Jan 5, 2024 · Ordering data. Download this manual. WARNING: Do not open the actuator. GOLO valve allows lab workers to more effectively control ventilation over a wide range of airflows - they can now match the ventilation rate to the risk of hazard. • The VAV compact controller must not be used in environments where the. This kind of information is not available for this product. This controller provides all wiring terminations for system and local communication and power. Combination of room automation station and actuator for buildings with increasing. AA, February 2008 . It is designed to help you become familiar with the Siemens ATEC and its applications. Pre-installation steps 1. The Unit Conditioner Controller—Electronic Output room temperature sensor connects to the controller by means of a cable terminated at both ends with a 6-conductor RJ-11 plug-in connector. The TEC Terminal Box Controller can operate stand-alone or can be networked to perform complex HVAC control, monitoring and energy management functions and is designed to reside on any Siemens Siemens BACnet PTEC Terminal Box (VAV) Controller 550-495PA Shipping carton includes a controller assembly, a mounting rail, and two self-tapping/drilling screws. Drive technology. It has advanced features like sequencing logic, day/night mode, and fail-safe operation, making it suitable for various applications. How To Use This Manual. See Figure 1-1 for the location of the room temperature sensor/Man Machine lnterface (MMl) port. AA, September 2007 Page 3 The information contained within this document is subject to change without notice and should not be construed as a commitment by Siemens Building Technologies, Inc. VAV compact controllers with BACnet MS/TP communication. Owner's Manual 125-5106 2015-05-08 How To Use This Manual This manual is written for the owner and user of the Actuating Terminal Equipment Controller (ATEC) VAV with Reheat. Room temperature sensor with optional set point dial and night override button. demand on functionality and flexibility in Room Automation, VAV applications. This portfolio includes stand-alone damper actuators and integrated devices that are compatible with almost any open platform. assumes no responsibility for Chapter 2 – Applications Application 2022 VAV with Electric Reheat or Baseboard Radiation Application 2022 VAV with Electric Reheat or Baseboard Radiation In Application 2022, the controller modulates the supply air damper of the terminal box for cooling and controls stages of electric reheat or baseboard radiation for heating. The Tracer UC600 controller is a multi-purpose, programmable, wireless-compatible device. Compact actuating room automation station, BACnet/IP, AC 24. 2. air is contaminated with sticky or fatty particles or contains aggressive. The controller provides all input/output, system, and local communication connections. The controller is connected to the DIN rails using the fastening sliders. g. DA Page 1 of 3 Siemens Industry, Inc. Otherwise, you run the risk of damage to the printed circuit board from electrostatic discharge. It provides Direct Digital Control (DDC) for 16 applications, and can operate independently as a stand-alone DDC room controller or networked with an APOGEE Field Panel. Presales Info Catalog and ordering system online Technical info Support Contact & partners Service offers. The 550-767xN laboratory controllers have new 29xx application numbers. AI 3 is switch selectable for voltage or current (on controller board under cover). 01. Continue with Completing the Installation. 17 Siemens Industry, Inc. The new range of products merge air flow control functionalities with the monitoring of other parameters like temperature. No earth ground connection is required (Figure 2). Accessories for RDU3. VAV - Electronic room thermostat for VAV and CAV systems. This solution lets OEMs integrate systems Application 6621 – VAV Cooling or Heating Control Diagram. Press the four fastening sliders to the retracted position. Dec 1, 2023 · VAV compact controllers with Modbus RTU communication. Siemens RXC31 – Room controller for VAV plants, basic module CA2N3844en_03 Building Technologies 17. CE1N3547en_b Siemens 2017-01-26 Building Technologies OpenAir™ VAV Compact Controller KNX / PL-Link G. The TEC Terminal Box Controller provides high performance Direct Digital Control (DDC) of pressure-independent, variable-air-volume zone-level routines. The test and balance commissioning app will let you connect to controllers via BLE and utilize access point functionality. May 1, 2024 · BACnet PTEC. 1E/KN with 10 Nm nominal torque Operating voltage AC 24 V Supports KNX S-Mode, LTE-Mode, and PL-Link Mark the position of the mounting tab holes on the surface. 5 Room controller for VAV systems, with L -compatible bus communication The RXC32 controller is used for VAV room temperature control in individual rooms. 3) BACnet PTEC DXR Room Units Accessories Room Temperature Sensor. 1E/KN – Mounting instruction for VAV compact controller (M3547) [3] AST20 – Handheld tool for VAV compact controller (A6V10631836) OpenAir Intelligent VAV Actuator. E. VAV compact controllers with KNX PL-Link communication. It is also available in TEFLON® coated 18-gauge steel for highly corrosive environments. VAV compact controllers. 1E/KN CE1P3547en Building Technologies 2017-03-23 1. Page 1 Supports KNX S-Mode, LTE-Mode, and PL-Link For plants with variable or constant air-volume flow Actual values for volume flow, damper position and differential pressure Operating modes for volume flow control or position control CE1N3547en_c Siemens 2018-10-10 Building The controller is pre-engineered with predefined applications designed specifically for rooftop units and paired with Siemens sensors, Climatix VFDs, OpenAir actuators and Intelligent VAV Actuators to optimize installation, commissioning and performance. DVO applies artificial intelligence (AI) to control AHU fan speed, supply temperature and humidity based on your priorities. Controller Board . The Siemens BACnet Actuating Terminal Equipment Controller (ATEC) consists of an electronic controller, a differential pressure transducer and a damper actuator assembly. Page 1 Desigo™ RXC RXC32. 1E/KN. The cable from the room sensor (purchased separately) connects to an RJ-11 jack Wiring Diagram. This manual is written for the owner and user of the Siemens TEC Heat Pump Controller Single Stage. Replacing a TX-I/O Plug-In Module. Averaging air velocity sensor provided by VAV terminal unit manufacturers. Support. Title Topic Document ID . PAGE 3. Valve selection can make the difference in boiler and chiller efficiency, maintaining flow, and achieving the right comfort level throughout the building. Basic Documentation CE1P3078en Building Technologies Functions 2014-11-03 Page 21 (DIP switch #1 = ON) · P02 is not available when the controller is commissioned for manual heating/cooling changeover (P01=2) · Parameter display depends on selected application and function (x May 1, 2024 · Siemens Industry Catalog - Building Technologies - HVAC products - Damper actuators - VAV controller - VAV compact controllers with Modbus RTU communication - Accessories for G. Our damper actuators are built for long lasting performance with more torque sizes to meet all your needs. 5 to 3. Siemens RCU50 Room Thermostat CE1N3045en Smart Infrastructure 2021-12-08 Use Control of the room temperature in individual rooms of ventilation or air conditioning plants that are heated or cooled. If the damper shaft is 5/8-inch: Remove the 1/2-inch shaft guide, Figure 3. Jul 11, 2008 · Controllers with LCD . Ensure you have a Siemens WLAN stick for connectivity from the controller to the Climatix Mobile App, Document ID Title Description QR Code May 1, 2024 · Heating and/or cooling. Chapter 2 – Applications . This also helps labs achieve their net zero goals. G. Accessories for G. Instructions. Remove all filters. assumes no responsibility for any errors that may appear in this document. 550-495PA - Siemens BACnet Programmable VAV Controller (long) Products & Services. RDU340 • Modulating PI control • Control depending on the room or the return air temperature • Output for a DC 0…10 V actuator and AC 230V electrical heater (ON-OFF) • Automatic or manual heating/cooling changeover • Operating modes: Comfort, Energy Saving and Protection Optimize your indoor environment and lower your operating costs using the Dynamic VAV Optimization (DVO) software solution. x (e. 97. Predator models control this equipment, with more applications to come: VAV and CV pressure independent zone Summary of Contents for Siemens RDG400KN. TM . 3) BACnet PTEC DXR Room Units Accessories The VAV and room automation solution for OEMs. The Siemens BACnet PTEC BACnet PTEC VAV with CO2 Monitoring & Floating or AOV Heating consists of an electronic controller assembly and on-board differential pressure sensor. Siemens PC Software for VAV compact and modular controllers CM1N5854en Smart Infrastructure 2023-01-24 Designation of VAV compact controller will be used for VAV compact controllers G. Application 6621 - VAV Heating and Cooling. Please select - 5 Nm 10 Nm. Siemens PXC-24 Compact Pdf User Manuals. 125-5037 Rev. 2012 Application The RXC31 controller is optimized for the control of variable air volume (VAV) systems. 1E/MO - AST20 - Handheld tool for VAV compact controllers View and Download Siemens LCM-OAVS 570-804PA installation instructions manual online. May 1, 2024 · The air volume controllers allow fast, simple parameterization. Flow-Tracking, compatible with VAV fume hood control. VAV modular controllers. OpenAir. Damper actuators. It is designed to control the following types of equipment: • Air-handling units (AHUs) • Rooftop units • Chillers • Central heating and cooling plants • Cooling towers • Generic input/output (I/O) control Warnings, Cautions, and Notices The Siemens BACnet PTEC VAV/Terminal Box Controller consists of an electronic controller, a differential pressure transducer and a damper actuator assembly. It provides Direct Mar 1, 2024 · Air damper actuators. The TEC Terminal Box Controller provides Direct Digital Control (DDC) for Variable Air Volume (VAV) terminal box applications. A6V11393935_en--_c. View online or download Siemens PXC-24 Compact Technical Reference Manual. Meters. 10/RTU A5W00153010_en Rev. Solution: open the window contact. Replacing a TX-I/O Module Assembly. solution that is easy to commission and delivers reliable air volume control. 2020-09-01. RDU340 - Flush-mount room thermostat for rectangular conduit box with LCD for VAV application. Actuators for fire and smoke protection dampers. Summary of Contents for Siemens Desigo RXC32. Select from various control strategies including Comfort RTU Controller POL648. 1E/. 18 Siemens Industry, Inc. All about G. RDG400 - Room thermostat, AC 24 V, VAV heating and cooling systems. NOTICE . Delta Controls VAV Controllers are the smart choice for any VAV project. We have 1 Siemens BACnet VAV 2562 manual available for free PDF download: Owner's Manual. 1E / 3. This solution was designed to address labor shortages, unskilled technicians, ongoing dependencies, and complex building automation systems which have contributed to time-consuming Variable Air Proceed as follows to connect the controller to DIN rails: 1. The cable from the room sensor (purchased separately) connects to an RJ-11 jack Gerät der Schutzklasse III. Use DVC PoE models to simplify your network, reduce wiring costs and get more data from your system. Desigo™ Room Automation. Compact room automation stations BACnet/MSTP DXR2. Product Information. Please select - 0. Owner's Manual, Apps 2923/2929 125-5108 2015-06-30 Chapter 1 - Product Overview The LCM-OAVS Room Pressurization with Slow-acting Damper Actuation (One Supply, One Exhaust) and Hot Water Reheat is the Siemens Industry FLN controller used in pressure independent Variable Air Volume applications. These controllers use the Off-board Air Module (OAM) to measure airflow for standard and custom pressurized room control applications. The terminal is available in diameters ranging from 4 to 18 inches. Total Room Automation can be easily managed for the Loading Application This controller provides all wiring terminations for system and local communication and power. The controller’s DOs control 24 Vac loads only. Loading Application May 1, 2024 · Torque. Figure 5. B181. Siemens BACnet VAV Actuator Owner’s Manual . It provides Direct Digital Control (DDC) for eight applications, and can operate The OpenAirTM Intelligent Variable Air Volume (VAV) actuator is a simple plug-and-play. Drill the mounting holes and, if necessary, insert wall anchors. VAV controller. 5 m². V (Actuating DXR) DXR1. , 3. The TEC Dual Duct Controller - Two Air Velocity Sensors consists of an electronic controller assembly and on-board differential pressure transducer(s). 3) BACnet PTEC 3 844 Desigo™ RXC Room controller basic module RXC31. The BACnet PTEC Terminal Box (VAV) Controller consists of an electronic controller assembly and on-board differential pressure sensor. Proceed to Step 2. 1 / RXC32. Watch video. Rev. 1E/3 correspondingly. 20 / 32 Siemens RDU340…. 1 / RXC31. Dynamic VAV Optimization applies AI to intelligently optimize AHU fan speed and temperature. Feb 1, 2024 · Siemens Industry Catalog - Building Technologies - HVAC products - Damper actuators - VAV controller BACnet Unit Conditioner (Fan Coil) Controller Owner’s Manual 4 Siemens Building Technologies, Inc. IOS App Store. 3. Power Source. The information contained within this document is subject to change without notice and should not be construed as a commitment by Siemens Building Technologies, Inc. All about 550-432PA - Siemens BACnet Terminal Box (VAV) Controller. Delta VAV Controllers. If necessary, mark the position of the mounting holes in the PXC Compact cover. Owner's Manual 125-5070 2015-05-07 How To Use This Manual This manual is written for the owner and user of the TEC Constant Volume Controller. PAGE 18. The actuator incorporates a pressure sensor and VAV logic all into one device. 5 References [1] G. OpenAir is a comprehensive GOLO® Intelligent Air Valve. 149-217. UI Universal Input. Application The RXC31 controller is optimized for the control of variable air volume (VAV) systems. 1E/KN with 5 Nm nominal torque GLB181. Spice Selection Filters. To enable the software to be used, the AST11 interface converter (to be ordered Test and balance securely with the Honeywell Connect mobile app. 1E / 3 and GDB181. 1. AA, February 2008 NOTICE The information contained within this document is subject to change without notice and should not be construed as a commitment by Siemens Building Technologies, Inc. VAV compact controller G. Compact room automation stations BACnet/IP DXR2. E02PLZ-112. With integrated Belimo actuators and multiple I/O options, DVCs are the fully programmable solution for any VAV configuration. Siemens BACnet VAV Actuator Owner’s Manual 125-5037 Rev. Can be used as an AI or DI. Chapter 2 – Applications Application 6621/6601 VAV Cooling or Heating Application 6601 – VAV Cooling or Heating Control Diagram. Operating mode 3P - open loop control To use VAV compact controllers as 3-position actuators with air volume flow measurement, the parameter "operating mode" must be set to "3P". 3) BACnet PTEC DXR Room Units Accessories Siemens VAV compact controller KNX/PL-Link G. The new OpenAir air volume controllers with bus communication (KNX S-/LTE-mode and Desigo PL-Link) support efficient optimization of energy consumption in Synco 700 and Desigo systems. Room Pressurization with, Two Venturi Air Valves (One Exhaust, One Supply) and HW Reheat (including BTU Compensation). Siemens valves and actuators are designed for efficient flow control to optimize comfort with precise regulation and control of water, steam and other media. Desigo DXR controllers provide innovative HVAC room control. 5 for VAV plants, with LONMARK®-compatible bus communication The RXC31 room controller is used for VAV room temperature control in individual rooms. Variable frequency drives. 1E/3, VAV modular controller ASV181. LCM-OAVS 570-804PA controller pdf manual download. Integrated actuator The actuator gear base is integrated into the housing of the actuating DXR. Power wiring connects to the two screw terminals on the controller labeled “C” (Common) and “H” (Hot) on the terminal block labeled “24 V-AC”. product family of equipment controllers (one is the BACnet VAV Controller - Electronic Output) that house the applications software used to control terminal units, such as heat pumps, VAV terminal boxes, fan coil units, unit ventilators, etc. NOTE: The ATEC actuator comes with a factory installed 1/2-inch damper shaft guide. All about 550-430PA - BACnet VAV GDE Actuator. PAGE 19 May 1, 2024 · Management stations and software solutions Automation controls Room automation Critical environments Integration drivers APOGEE Wireless KNX building control Various other products Room automation P1 TEC 550-405N - ATEC VAV CONTROLLER 545-486 - Firmware Upgrade, Revision 3. 1E/3. If the damper shaft is 1/2-inch, proceed to Step 2. If present, heating can be provided by hot water, up to three The ATEC Base VAV Controller has no external, wireable I/O. 8 m² 1. and VAV modular controller ASV181. With its versatile inputs and outputs, it can integrate seamlessly into building automation systems. Download the Climatix Mobile App to be used for setup and commissioning. Easily configure and commission multiple devices with innovative VAV A6V10631836_en--_a Siemens 2015-09-15 Building Technologies OpenAir™ VAV Handheld Tool AST20 Handheld Tool for VAV compact and modular controllers For configuration and maintenance of OpenAir VAV compact and modular controllers: ÀFor use in OEM factory for configuration and basic testing ÀFor on-site use for commissioning and maintenance s How To Use This Manual 5 Siemens Industry, Inc. . Hardware BACnet Terminal Box (VAV) ASC Controller Owner’s Manual 2 Siemens Building Technologies, Inc. Determine the size of the damper shaft. The cable from the room sensor (purchased separately) connects to an RJ-11 jack on the controller. Room Temperature Offset for single-point calibration and SECURE MODE for Part 11 compliance solution. MySiePortal. Product documentation . Unique two-piece design of the Predator Controller Only series, consisting of a plenum-rated Enclosure Cover with Embedded Controller Board and a separate Wiring Base, protects electronic parts from potential damage during installation. • The VAV compact controller's connection cables must not be run through. For dampers requiring up to 88 lb-in (10 Nm independent Variable Air Volume applications (Figure 1-1). Siemens Industry, Inc. The Summary of Contents for Siemens OpenAir G B181. Variable air volumes (VAV) RCU. Configure your Spyder Model 7 VAV controllers wirelessly without climbing into ceilings and other out-of-reach spots. Product Catalogue. Compact room automation stations BACnet/IP DXR1. flush mount. M. 24 Vac Modulating Control. Power wiring connects to the two screw terminals on the controller labeled “C” (Common) and “H” (Hot) on the terminal block labeled 24 VAC. Advertisement. 2927 BTU Comp [Discharge Temp Req'd] 550-767FN 2923 Damper Low-speed 3-state Room Siemens BACnet VAV 2562 Manuals. With over 40 years of innovating control actuators, Siemens is a recognized global leader in HVAC damper actuators. User Manual (125-5051) for more information. The Climatix mobile app eases the installation process and improves accuracy at checkout. Minimize. May 1, 2024 · VAV compact controllers with Modbus RTU communication. Compact room automation stations BACnet/MSTP DXR1. This section covers manual organization, manual conventions, symbols used in the manual, and other information that will help you use Siemens 125-5037 is a VAV actuator that provides precise control of airflow in HVAC systems. For VAV box adjustment, usually only three OEM-specific device characteristics have to be entered. bu rb vo wf om ti oc fo ms jp