Carrier vvt system. The Pilot is at version 1.

Carrier vvt system The Pilot is at version 1. I think it is either GEN I or GEN II. The RTU's are cycling, all zone and master stats are calling for cooling. ClimaVision is a simple and affordable climate control solution for light commercial buildings under 100,000 sq. Space. Parker/ Carrier VVT system. The factory-integrated VVT Zone controller maintains space temperature by modulating the proper amount of supply airflow through its damper. The objective of this module is to define VVT, identify applications, compare it to alternative systems, and describe how it achieves zone temperature control. The System Pilot (33PILOT-01) is a component of Carrier’s 3V™ system and serves as the us er-interface and configuration tool for all Carrier communicating devices. Can apply the design process to VVT and VAV systems; May 19, 2010 · Hey guys, Good morning. Trust Carrier's VVT® zone damper with integrated controller for precise airflow control and space temperature maintenance. This system gives facility managers access to the entire VVT system locally — through a wall-mounted touchscreen interface in the building — or from anywhere in the world Today’s Carrier i-Vu® VVT Zoning System delivers precisely controlled comfort by integrating the intelligent VVT network with the Carrier i-Vu Building Automation System. 11-808-603-01 · 1/25/2019; Page 2 Verify that you have the most current version of this document from www. One thing I initially noticed was that the supply/return bypass duct was tapped into the plenums within 2' of the unit. The system is old (1990). The VVT WITH VVT® ZONE CONTROLLER 33ZC Rev:-13SB JOB NAME: LOCATION: BUYER: BUYER P. Pneumatic control units utilize a standard linear damper actuator, which, when combined with the 90-de- RTU Open Setup for use in a VVT Zoning system Adjust PID Loops for VVT Zoning System; Search for econ_pid-da; Search for clg_pid_da; Search for htg_pid_ra; VVT Bypass Lab Configure VVT Bypass Controller Test and Balance; VVT Terminal Unit lab Configure a VVT Zone Controller Test and Balance; VVT Master Terminal Unit lab Release VVT Airside Linkage Oct 23, 2009 · I have a bunch of Carrier/Parker VVT controls I would like to get rid of. Uses Carrier Comfort Network (CCN) protocol; Capable of high-speed 38. The main components of a VVT system are the Control Board (or brain), Zone Dampers, Thermostats, and Bypass Damper (see system image below). The building has 12 rooftops on it with different zones for each one. Figure 1 shows an example of a Carrier linkage system. We had two bypass dampers showing up in the system as VFDs System Benefits. The controller has a built-in damper actuator that provides 35 in/lbs of torque. A position indicator agement systems. NOTE: The 33CSZC--01 zone controller has pressure depen-dent control only. This system gives facility managers access to the entire VVT system locally — through a wall-mounted touchscreen interface in the building — or from anywhere in the world With controls ranging from thermostats and zoning systems to powerful, web-based software products, Carrier places the power to keep your system operating at peak performance at your fingertips. Indeed, rooftop units are cheaper than central plants with boilers, chillers, pipping and controls. Simply use Carrier’s family of VAV zone controllers (ComfortID™) to regulate the flow of conditioned air into the space. i-Vu® Building Automation System RTU Open System Benefits • Integrated Carrier airside linkage algorithm for plug-and-play integration with the Carrier VVT® System • Fully plug-and-play with the Carrier i-Vu Building Automation System i-Vu® Building Automation System Round Zone Damper with VVT Zone Controller The VVT round zone damper with the VVT Zone controller is a component of Carrier’s i-Vu Building Automation System. These include pre-configured damper kits for VVT zoning systems, and cables for sensors. Need a slave thermostat since it is stuck at 80 in the hot and 66 in the cold. It has an integrated pressure sensor, temperature lockouts, and a network compatible actuator that can drive up to 4 dampers. Carrier University is located at 6540 Old Collamer Road South, East Syracuse, NY 13057. The System Pilot can be used to install and commission a 3V zoning system, linkage compatible air source, universal controller, and all Today’s Carrier i-Vu® VVT Zoning System delivers precisely controlled comfort by integrating the intelligent VVT network with the Carrier i-Vu Building Automation System. In the end, however, you obtain a poorer building control overall with a VVT system. They are telling me that I have to adjust stops on the actuator for max and min, but I am wondering if this can be done through the main control board. Control contractor on job is not Carrier, and do not know a whole lot about this system. The VAV (variable air volume) Zone Controller (33ZCVAVTRM) provides dedicated pressure independent Today’s Carrier i-Vu® VVT Zoning System delivers precisely controlled comfort by integrating the intelligent VVT network with the Carrier i-Vu Building Automation System. 1-3. The VVT zone controllers are available factory-mounted to Carrier’s round and rectangular dampers. I basically allowed cooling with any vav terminal load greater than 50% and then just let the reheat boxes do the heating as needed unless the average terminal load was less than -75% and no zone was greater than 50% then I allowed the rtu/ah to run in heating until the average terminal Comfort from the inside out. ft. This system gives facility managers access to the entire VVT system locally — through a wall-mounted touchscreen interface in the building — or from anywhere in the world • Capable of system or stand-alone operation • Native BACnet MS/TP or ARCNET communications System Benefits • Integrated Carrier airside linkage algorithm for plug-and-play integration with the Carrier VVT system • Fully plug-and-play with the Carrier i-Vu Building Automation System The Carrier i-Vu Building Automation System Apr 25, 2024 · The VVT Bypass II (#OPN-VVTBP-02), a component of the i-Vu® Control System, regulates the supply duct static pressure by controlling one of the following: • The system's bypass damper The IS course is the second in the Carrier Controls Expert Training series. Today we were on site troubleshooting some issues in regards to some of the bypass dampers. I am having some issues with with some of the supply air temperature sensors on the zones and the outside air temperature sensor on the monitor stat. 4 kilobaud communications network operation; 128 controller maximum system (must be located on same CCN bus segment) Capable of zone humidity control (dehumidification) with field-installed humidity sensor; Carrier Linkage System capability; Global set point and occupancy Sep 3, 2009 · I am balancing a Carrier 3v vvt system and hav max cfm and min cfm to set up along with a bypass damper. The Carrier Comfort System (CCN) VVT system will not support Enhanced or Pre-Enhanced devices. It provides accurate and precise airflow for VVT applications. Electric reheat coils located at each perature (VVT) control when c onnected to a VVT zone ther-mostat. hvacpartners. This course is designed for Carrier field technicians, project engineers, distributors or Carrier contractor employees who are looking to better utilize their skills with i-Vu® Tech Tool 6. It’s everything you need to maintain comfort for occupants, optimize energy usage, and resolve problems faster. Carrier’s 3V control system provides seamless integration of pressure independent zones for use with VVT systems. Book 1 4 Tab 11a 13a PC 111 Catalog No. O. Carrier VVT systems provide the flexibility to alternately satisfy both heating and cooling loads using a heating/cooling primary air source. Carrier VVT systems provide the flexibility to alter- The CS virtual course is the first in the Carrier Controls Expert Training series. Thread Tools. Does anyone have an opinion on the best, most cost effective way to relpace the zone controls on a Carrier VVT System? I realize I can call ALC, Honeywell or Allerton and spend 20K per RTU to do this. By multiplexing the pri-mary air, systems with VVT controls can satisfy these di-verse building loads. Was thinking about connecting all the separate systems to a Carrier XT Router, then putting that on a Carrier i-Vu Standard system. 3V Control System. These dampers use 24 VAC direct drive actuators for smooth, quiet performance. These systems operate using low inlet static pres-sure, permitting the use of smaller more energy efficient fan systems. The system is not set up at a standard Carrier VVT system with a VVT master and "airside linkage. The Carrier Comfort System TEMP System is designed to be compatible with the full line of Carrier single-zone heating and cooling units. May 8, 2006 · Need help in identifying carrier vvt systems. Also available with the ClimaVision system are accessories and kits that make installation of the system easier. Comfort VVT System, Monitor Thermostat With Timeclock, Zone Controller. direct-drive mounting hub for securing the damper blade and shaft to the actuator housing. It was a retro on a Carrier VVT (Gen II) I believe. This course will provide a technician the necessary skills to design, install, commission, and troubleshoot Carrier’s i-Vu® Open System tier products as well as the i-Vu® Web front end. This advanced controller features a separable actuator for easy installation onto single duct and parallel fan-powered air terminals. Although a VAV Zone II can be included in a VVT system, this manual focuses mainly on its usage in VAV applications. The Carrier Comfort System (CCS) VVT system will not support Enhanced or Pre-Enhanced devices. May 12, 2015 · I ran into a site the other day that has a Carrier VVT system with a Pilot on it. Both VVT and VAV controls are com-municating Product Integrated Con-trols (PIC). The Carrier 33CS VVT system will not support Enhanced or Pre-Enhanced devices. Integrated Carrier airside linkage algorithm for plug and-play integration with the Carrier VVT System; Fully plug-and-play with the Carrier i-Vu Building Automation System; Hardware Features. 809-246 Printed in U. Go to literature, then search and enter 33CS as the abbreviated model number. The VVT Zone II provides dedicated control functions for single duct and fan box terminals with modulating heat, up to 3 stages of ducted heat, or combination baseboard and ducted heat. OAT Display — The System Pilot has an outside air tem-perature (OAT) software point that can be forced from the Carrier communicating network. NOTE The VVT Zone II is available in both English or Metric units. Zone controllers maintain precise temperature control in the space by regulating the flow of conditioned air into the space and operating an optional terminal fan. The Bypass Controller is a component of Carrier's 3V system that regulates the supply duct static pressure for variable volume and temperature applications. I have a Carrier VVT system in my building. The system is single duct, and there is no reheat, aux heat, or supplemental heat of any sort. desired system duct pressure based on the system pressure set point. Can I use a GEN 2 SLAVE thermostat for a GEN 1 system??? Carrier air-conditioning, heating and ventilation solutions improves the world around us through engineered innovation and environmental stewardship. Every device has one or more communica-tion related options that could be configured incorrectly. Enhance your building's HVAC performance. The customer wants to set up a building automation system with remote access. These systems are highly dependent on the control hardware and software used. Only down fall is longer search's on larger systems. I was looking through all of my old documentation for a temperature to resistance chart and I can't seem to find one. 5, VVT Control Systems and VAV Control Systems. Below are short informative 'How-To' video clips to get you started in the initial unit set up. 11-808-478-01 · 4/27/2022 . Now select the zone level of control re-quired for every application. The 33CSZC--PI zone controller will per- Nov 19, 2014 · It is a basic package RTU, 2 stages of heat and 2 stages of cooling, constant volume. The VVT-C also supports Terminal Profile. Carrier SystemVu™ Commercial System Controller SystemVu™ is an intelligent, intuitive, integrated controller with many features and benefits. Jun 8, 2021 · We recently inherited a Carrier i-Vu job with quite a few VVT systems. How can I tell the difference between generations and weather or not the system is a pre-enhanced or enhanced system? I am tring to put together a set of manuals and i'm having trouble locating them on hvac partners. Form VVT-3SI Pg 1 7-95 Replaces: New 33CS Variable Volume and Temperature not be compatible with a VVT Generation II Enhanced or Pre-Enhanced device. . screens for the System Pilot, VVT zone controller, and Bypass Controller are shown in Fig. The VAV zone controllers provide dedicated control functions for single duct terminals with modulating A VVT (Variable Volume, Variable Temperature) system is an all-air zoning system that provides individualized comfort to zones using a single air source, typically a constant or 2-speed RTU, and zone terminals that are The VVT Zone II controller provides zone level temperature and air quality control for a variety of pressure-dependent VVT applications. VVT 33ZCVVTZC-01 controller pdf manual download. NOTE: The Comfort System VVT zone controller will not be compatible with a VVT Generation II Enhanced or Pre-Enhanced device. i-Vu® Building Automation System VVT Zone II Part Number: OPN-VVTZC-02 The Carrier i-Vu Open Control System The i-Vu® Building Automation System provides everything you need to access, manage, and control your building, including the powerful i-Vu user interface, plug-and-play BACnet controllers, and state-of-the-art Carrier equipment • The system's bypass damper The controller's built-in damper actuator provides 35 in/lbs (4 Nm) of torque. Carrier’s Axis™ Overhead Air Terminal offering includes single duct and dual duct, fan powered, and system powered air terminals available with many factory installed options and features, including the perfect control option, to meet your and your building’s needs. com or your local Carrier office. # CARRIER # UNIT NUMBER: MODEL NUMBER: PERFORMANCE DATA CERTIFIED BY: DATE: → DESCRIPTION The VVT round zone damper with VVT Zone Controller is a component of Carrier’s 3V™ control system and provides accurate and precise airflow for VVT applications. System Benefits. Integrated Carrier airside linkage algorithm for plug and-play integration with the Carrier VVT® System; Fully plug-and-play with the Carrier i-Vu Building Automation System; Supports demand limiting for maximum energy savings; Compatible with i-Vu Tenant Billing for tracking tenants’ after-hours energy usage Feb 6, 2017 · VVT systems cost less than VAV systems. VVT-C Terminal profile; VVT-C Dual Duct Carrier i-Vu Open VAV or VVT controls; Carrier Comfort Network (CCN) VAV or VVT controls; Pneumatic controls; No controls or field-supplied DDC (direct digital controls) third party controls for factory mounting; Left-hand or right-hand control enclosure; 20 gauge, galvanized steel casing; 304 stainless steel casing; Field-Installed Accessories Carrier linkage system compatibility When linked to a Carrier Linkage System, the VVT zone controller provides numerous features and benefits such as weighted average demand for system operation, reference zone temperature and set points, set point averaging, glo-bal set point schedule, and occupancy scheduling. NOTE: The Comfort System (33CS) bypass controller is not compatible with a VVT Generation II Enhanced or Pre-Enhanced device. If you know anyone needing any parts for this system please call me at 630-675-5006. Skip to main content 01372 220 220 Jan 17, 2006 · Thread: Carrier-Parker VVT System Issues. Integrated Carrier airside linkage algorithm for plug and-play integration with the Carrier VVT® System; Fully plug-and-play with the Carrier i-Vu Building Automation System; Supports demand limiting for maximum energy savings; Compatible with i-Vu Tenant Billing for tracking tenants’ after-hours energy usage Jun 10, 2011 · Hi all, I have a Carrier VVT system wired to 2 old Carrier RTU's. The variable fans motors cost more than constant flow fans in a packaged unit. A. to share. Somebody commented that Carrier does not support this product anymore but what happened is that Parker went away and their product morphed into the Carrier VVT. The trouble I'm having is that most of my sites have obsolete versions of this equipment and the limited The controller can operate as part of a linked VVT system or as a stand-alone controller. i-Vu® Building Automation System VVT Zone II Part Number: OPN-VVTZC-02 Tablets Mobile Devices ALARM WARMER WARM IDEAL COOL COOLER ALARM Web Browser UC Open XP Sensor BACnet MS/TP Network Sensor Network Sensor Sensor Network Sensor Sensor Network IP Network Hardwired Equipment Bypass Damper VVT Zone VFD As I remember most VFD's take either a 4-20 milliamp or 2-10 volt dc input to operate, If I remember the old carrier (Parker) VVT systems worked off there own operating system, some type of com link. Show Printable Version; 01-17-2006, 01:13 PM #1. the Carrier i-Vu Building Automation System. Separable brushless actuator and integral pressure sensor; Designed for vertical or horizontal mounting; Capable of system or stand Mingledorff's Carrier 33CSVMT-32 Carrier 33CSVMT-32 VVT System Thermostat With Time Clock, For Use With 48/50HJ004-024, 50TFQ004-012, 48/50TF,TM004-014, 50HJQ004-016 and 48/50TJ,TM016-028 Apollo Control, 32 Zone Today’s Carrier i-Vu® VVT Zoning System delivers precisely controlled comfort by integrating the intelligent VVT network with the Carrier i-Vu Building Automation System. I had a few questions regarding network design. Does anyone know where the d/air sensor is landed? Does it go to the relay packs?I have only been in the building one time so I don't have much info. View and Download Carrier VVT 33ZCVVTZC-01 installation, start-up and configuration instructions online. Carrier VVT systems provide the flexibility to alter-nately satisfy both heating and cooling loads using a heat-ing/cooling primary air source. The controller can operate as part of a linked VVT system or as a stand-alone controller. Thanks Coolairman At system level the VVT-C supports four types of Profiles. If the System Pilot is display-ing any default screen and the EXIT and SELECT buttons are Troubleshooting Troubleshooting If you have problems mounting, wiring, or addressing the VVT Zone Controller, contact Carrier Control Systems Support. While airflow range and system design requirements vary, Carrier provides commercial air terminals that consistently deliver superior control offerings and ease of The VVT rectangular zone damper with the VVT Zone controller is a component of Carrier’s i-Vu Building Automation System. The TEMP System is a communicating network of thermo-stats designed to keep comfort at a maximum and maintenance at a minimum. Carrier’s sensor offering includes simple space temperature sensors up to full network compatible devices. Mingledorff's Carrier 33CSVM-32 Carrier 33CSVM--32 VVT System Thermostat Without Time Clock, For Use With 48/50HJ004-024, 50TFQ004-012, 48/50TF,TM004-014, 50HJQ004-016 and 48/50TJ,TM016-028 Apollo Control, 32 Zone fan systems. conditioning systems for many small to medium sized com-mercial buildings. The control provides high-speed communi-cations for remote monitoring via the Internet. Monitor stats, 10 slave stats, relays pacs, PSO2, high torque actuators and remote temperature sensors. Multiple units can be linked together (and to other Direct Digital Control (DDC) equipped units) using a 3-wire communication bus. This TDP uses the Carrier VVT system for all examples. CARRIER COMFORT SYSTEM 33CS thermostat pdf manual download. This system gives facility managers access to the entire VVT system locally — through a wall-mounted touchscreen interface in the building — or from anywhere in the world Jan 17, 2006 · Gents, We're tasked with finding solutions for a 5yr old/8 zone/no reheat Carrier VVT system that has experienced intermittent noise and temperature control issues since day 1. The CS virtual course is the first in the Carrier Controls Expert Training series. and is a cloud-based, wireless, and intuitive system that utilizes built-in control algorithms and the power of the cloud to optimize comfort and energy savings. I dont think the VVT would interface with most VFD's correct me if i am wrong Apr 27, 2022 · Carrier ©2022 · Catalog No. Round dampers are available in 6, 8, 10, 12, 14, and 16 Carrier’s VVT zoning system offers zone level flexibility with its expanded range of compatible zone sensors. As thermostats call for heating or cooling, votes are As thermostats call for heating or cooling, votes are tallied at the GEN III controller; and, based on the majority of votes received, the HVAC unit operates in the mode Many manufacturers offer VVT-type systems. The VVT round zone damper with the VVT Zone controller is a component of Carrier’s i-Vu Building Automation System. S. There is a 1/2-in. The VAV Zone II has a detachable actuator and maintains zone temperature by operating the terminal fan and regulating the flow of conditioned air into the space. tions of the system controller and each device in the prob-lem system. When the monitor thermostat is used in a VVT monitor system, it is connected to a damper actuator and con- with the Carrier linkage system. Consult your local Carrier representative for the complete list of compatible air source controllers. Carrier Linkage System compatibility VVT systems can be found in commercial buildings with HVAC units (both roof top and split systems) up to 25 tons equipped with a constant volume, multispeed or variable speed fan. Building Automation System utilizing the BACnet, Modbus®, LonWorks®, or N2 protocols. Bringing control, comfort and energy savings to smaller buildings. LED's The LED's on the VVT Zone Controller show the status of certain functions. I'm not familiar with Carrier VVT at all and find it very user unfriendly. New in the box. Duct static pressure control The VVT Bypass Controller modulates a bypass damper or VFD to maintain the static pressure in the supply duct of the pressure-dependent VVT system. Thanks, ken The GEN III is an auto changeover, vote based VVT system. Although a VAV Zone controller can be included in a VVT system, this manual focuses mainly on its usage I have a building with about 15-18 seperate carrier VVT and VAV systems. Additional control features Oct 13, 2008 · I've done this but I don't have a sequence written up. CARRIER VARIABLE VOLUME AND TEMPERATURE (VVTt) SYSTEM — The VVT system is a control system that includes a relay pack (which may be mounted in the low voltage control compartment); monitor thermostat; zone con-trollers modulating supply duct dampers; modulating by-pass controller sensors; and appropriate wiring. For added flexibility, the RTU Open controller is capable of stand-alone operation, or, it can be integrated with any other Building Automation System utilizing the BACnet, Modbus®, LonWorks®, or N2 protocols. Want to keep it a few more years. 82 in the space stats set for 72. The factory-integrated VVT Zone controller maintains space temperature by modulating the Feb 14, 2008 · Typically I number these in groups of 10. The monitor thermostat can be configured to run in 3 dif-ferent ways. All of the documentation that I have on network design mentions a termination module at the beginning and the end of the network. The VVT bypass controller is used with a system of VVT zone controllers. Jan 27, 2025 · I am working on a older Carrier VVT system (generation III). zone or multi-zone applications, and Carrier or non-Carrier HVAC equipment • Accessible, providing secure access from anywhere using cloud connectivity. Zone Controller Pressure Dependent Control. The VVT Zone II (#OPN-VVTZC-02), a component of the i-Vu® Control System, controls zone temperature in single duct, fan powered, Variable Volume and Temperature (VVT ® ) applications. " Feb 1, 2013 · About Press Copyright Contact us Creators Advertise Developers Terms Privacy Policy & Safety How YouTube works Test new features NFL Sunday Ticket Press Copyright View and Download Carrier COMFORT SYSTEM 33CS operating manual online. VVT systems require bypass ducts 45 to 7,100 Nominal Cfm. Today’s Carrier i-Vu® VVT Zoning System delivers precisely controlled comfort by integrating the intelligent VVT network with the Carrier i-Vu Building Automation System. mattdigesare. View Profile View Forum Posts Visit Homepage The i-Vu® building automation system provides a 360° view of your building’s entire operation. If the built-in actuator's torque is insufficient, the VVT Bypass Controller can be used to drive an external high-torque actuator. The 35E unit is among the most versatile single-duct products on the market, offering a compact design with diverse control packages. i-Vu® Building Automation System RTU Open Part Number: OPN-RTUM2 1 Carrier Zone dampers are the latest in design and were developed to fit field requirements for a variety of duct work shapes and sizes. 8224 Application: Single duct terminals equipped with the above control pack-age are designed to provide variable volume, variable tem-perature (VVT) control when c onnected to a VVT zone ther-mostat. This course is designed for Carrier field technicians, project engineers, distributors or Carrier contractor employees who are looking to better utilize their skills with i-Vu® Tech Tools, VVT Control Systems and VAV Control Systems. This job site doesn't have termination modules anywhere on the system. 300 feet. This system gives facility managers access to the entire VVT system locally — through a wall-mounted touchscreen interface in the building — or from anywhere in the world System Benefits • Integrated Carrier airside linkage algorithm for plug-and-play integration with the Carrier VVT System • Fully plug-and-play with the Carrier i-Vu Building Automation System Hardware Features • Separable brushless actuator and integral pressure sensor • Designed for vertical or horizontal mounting VVT® DAMPER CONTROL WITH COMBINATION HEAT PRESSURE DEPENDENT CARRIER CONTROL PACKAGE NO. pressure dependent VVT® (variable volume and temperature) in both Carri-er i-Vu® Open (BACnet*) and Carrier Comfort Network® (CCN) protocols. NOTE: For all systems to communicate properly, the 2400 Baud Rate option for each device must be config-ured the same and the rotary switch for each device must be at position Sep 10, 2014 · I was working on a Carrier I-Vu system today with tons of network problems. Application: Airside, Commercial applied, Controls, Split systems, Packaged indoor, Packaged outdoor Description: The TruVu dual IP VVT bypass controller is used to regulate the supply duct static pressure for a variety of pressure-dependent VVT applications and allows constant volume HVAC equipment to provide zone level temperature control. The i-Vu® building automation system provides a 360° view of your building’s entire operation. Oct 6, 2004 · Does anyone out there know where parts can be purchased for Carrier/Parker VVT, vintage 1988? Any help greatly appreciated. GEN X puts total system control in the palm of your hand View and update all system information from the free mobile app and use the System Diagnostic to identify wiring errors in seconds GEN X is also the perfect solution to update old Carrier VVT, Parker or Trane systems using the existing dampers or VAV boxes for customers that want to The VVT Zone II (#OPN-VVTZC-02), a component of the i-Vu® Control System, controls zone temperature in single duct, fan powered, Variable Volume and Temperature (VVT ® ) applications. The information is still available on Carrier's Commercial Website. Page 1 CARRIER CORPORATION ©2019 A member of the United Technologies Corporation family · Stock symbol UTX · Catalog No. 1. The SystemVu control system is easy to access through the use of a integrated display module. As part of the 3V control system, the Sep 23, 2004 · The system shouldn't shut down if it's really a Carrier VVT - there should be a duct sensor controlling the compressors to keep 58 or so supply air down the duct. VVT-C Staged RTU; VVT-C Staged RTU with VFD; VVT-C Fully Modulation AHU; VVT-C Advanced Hybrid AHU; With the introduction of the concept of zoning, and with module or terminal level controls required. System 1 address's in 10-19, System 2 in 20-29, etc. and-play connectivity to the Carrier i-Vu Building Automation System. ClimaVision is a seamless replacement for aging Carrier VVT systems and offers enhanced features and functionality. jaf lopgjyyz uwbzbb tnjr izft paukeud jgx csaybx aras cmi edica jkri yuffdu aiidgpx rur