{"product_id":"johnson-controls-ms-vma1620-1-integrated-programmable-vav-controller-sensor-24-vac","title":"Johnson Controls MS-VMA1620-1 Integrated Programmable VAV Controller Sensor 24 VAC","description":"\u003ch4 class=\"PDq2pG_selectionAnchorContainer\"\u003eDescription\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003eThe Johnson Controls MS-VMA1620-1 is an integrated programmable controller and sensor assembly designed for Variable Air Volume (VAV) applications in commercial HVAC systems. The Johnson Controls MS-VMA1620-1 combines advanced control logic, an integrated actuator, and airflow sensing to provide accurate zone temperature and airflow regulation while operating from a 24 VAC Class 2 power supply. Although discontinued by the manufacturer, it continues to serve as a reliable replacement component for maintaining existing Metasys building automation systems.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications\u003c\/h4\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCondition\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBrand\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eJohnson Controls\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eControls \u0026amp; Indicators\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eMS-VMA1620-1\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eTemperature\/Process Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProduct Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eProgrammable Controller Sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSeries\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVMA16 Series\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eController Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIntegrated VAV Controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProgramming\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFully Programmable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupply Voltage\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 VAC Class 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eInput Current\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e2.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOutput Rating\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e0.5 A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication Protocol\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBACnet MS\/TP\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCommunication Interface\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFC Bus and SA Bus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProcessor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e32-Bit Microcontroller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eIntegrated Sensor\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDifferential Pressure Sensor\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eActuator\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIntegrated Damper Actuator\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManual Override\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eManufacturer Status\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDiscontinued by Manufacturer\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e1.00 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About MS-VMA1620-1\u003c\/h4\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003e\u003cmeta charset=\"utf-8\"\u003eThe MS-VMA1620-1 is a programmable integrated controller from the Johnson Controls VMA16 Series developed for pressure-independent Variable Air Volume terminal units. It incorporates a 32-bit controller, integrated actuator, and differential pressure sensor into a compact assembly that simplifies installation while improving airflow control accuracy. The controller communicates over BACnet MS\/TP through the FC Bus and SA Bus, allowing seamless integration with Metasys supervisory controllers, network sensors, and other field devices. Its compact design and integrated control functions make it suitable for office buildings, hospitals, schools, retail facilities, and other commercial HVAC applications requiring dependable zone control.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\u003c\/ul\u003e\n\u003cul\u003e\n\u003cli\u003eIntegrated Controller and Sensor: Combines programmable control, actuator, and differential pressure sensing in a single device.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\n\u003c\/li\u003e\n\u003cli\u003eProgrammable Operation: Supports customized HVAC control strategies for Variable Air Volume applications.\u003c\/li\u003e\n\u003cli\u003e32-Bit Processing: Utilizes a high-performance 32-bit processor for reliable system operation.\u003c\/li\u003e\n\u003cli\u003eBACnet MS\/TP Communication: Connects to Metasys systems through FC Bus and SA Bus networks.\u003c\/li\u003e\n\u003cli\u003e24 VAC Class 2 Power: Operates from standard low-voltage HVAC control power.\u003c\/li\u003e\n\u003cli\u003eFlexible I\/O Configuration: Supports multiple universal inputs and configurable outputs for field device integration.\u003c\/li\u003e\n\u003cli\u003eManual Override: Allows convenient actuator positioning during commissioning and maintenance.\u003c\/li\u003e\n\u003cli\u003eCommercial HVAC Application: Designed for precise airflow and temperature control in VAV terminal units.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe MS-VMA1620-1 delivers the reliability and precision required for variable air volume control and commercial HVAC automation systems.\u003c\/p\u003e","brand":"JOHNSON CONTROLS","offers":[{"title":"Default Title","offer_id":52173407945002,"sku":"MS-VMA1620-1","price":505.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/s-l960_e8bc861c-4899-4080-9ec6-9a5f52b8111a.webp?v=1785941400","url":"https:\/\/iqelectro.com\/products\/johnson-controls-ms-vma1620-1-integrated-programmable-vav-controller-sensor-24-vac","provider":"IQElectro","version":"1.0","type":"link"}