{"product_id":"alerton-vav-sd2a-programmable-24-vac-variable-air-volume-hvac-controller","title":"Alerton VAV-SD2A Programmable 24 VAC Variable Air Volume HVAC Controller","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 Alerton VAV-SD2A is a programmable Variable Air Volume (VAV) controller designed to provide accurate airflow regulation and zone temperature control in commercial HVAC systems. Operating from a 24 VAC power supply, the VAV-SD2A delivers dependable direct digital control (DDC) for VAV terminal units while integrating seamlessly into Alerton building automation environments.\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cbr\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\u003eAlerton\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eCategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eBuilding Automation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePart Number\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVAV-SD2A\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSubcategory\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVariable Air Volume (VAV) Controller\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 Digital VAV Controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eApplication\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVariable Air Volume HVAC Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Supply\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e24 VAC\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003ePower Method\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eHardwired\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eController Type\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eDirect Digital Control (DDC)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eProgrammability\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eFully Programmable\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eControl Functions\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAirflow Control, Zone Temperature Control, Damper Positioning\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eSupported Equipment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003ePressure-Independent and Pressure-Dependent VAV Terminal Units\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eMounting\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eVAV Terminal Unit \/ Panel Mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eDiagnostics\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIntegrated Controller Status and Diagnostic Functions\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eBuilding Automation Compatibility\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eAlerton Building Automation Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eOperating Environment\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIndoor Commercial HVAC Installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eTypical Applications\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eOffice Buildings, Hospitals, Schools, Hotels, Commercial Facilities\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eConstruction\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eIndustrial Electronic Controller\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eWeight\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003eApproximately 0.4 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 \u003cspan\u003eVAV-SD2A\u003c\/span\u003e\n\u003c\/h4\u003e\n\u003cp class=\"PDq2pG_selectionAnchorContainer\"\u003eThe VAV-SD2A is part of Alerton's family of intelligent VAV controllers developed for efficient control of pressure-independent and pressure-dependent variable air volume systems. Designed to operate as a programmable field controller, it continuously monitors zone conditions and adjusts damper position and associated HVAC equipment to maintain occupant comfort while minimizing energy consumption. The controller supports integration with Alerton building automation systems, enabling centralized monitoring, scheduling, and diagnostics through a distributed DDC architecture. Its compact construction, hardwired installation, and reliable electronics make it suitable for commercial office buildings, hospitals, educational facilities, hotels, and other multi-zone HVAC applications.\u003cspan class=\"PDq2pG_selectionAnchor\"\u003e\u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eProgrammable VAV controller: Supports customized HVAC control strategies for VAV terminal units.\u003c\/li\u003e\n\u003cli\u003ePrecise airflow regulation: Maintains accurate airflow and room temperature control.\u003c\/li\u003e\n\u003cli\u003e24 VAC operation: Powered by a standard low-voltage HVAC control transformer.\u003c\/li\u003e\n\u003cli\u003eHardwired installation: Provides secure and dependable field wiring connections.\u003c\/li\u003e\n\u003cli\u003eDirect Digital Control (DDC): Delivers responsive and accurate HVAC equipment management.\u003c\/li\u003e\n\u003cli\u003eEnergy-efficient operation: Optimizes airflow to reduce heating and cooling energy consumption.\u003c\/li\u003e\n\u003cli\u003eZone temperature management: Maintains consistent occupant comfort across individual spaces.\u003c\/li\u003e\n\u003cli\u003eBuilding automation integration: Compatible with Alerton HVAC control architectures.\u003c\/li\u003e\n\u003cli\u003eStand-alone operation: Executes programmed control sequences independently when required.\u003c\/li\u003e\n\u003cli\u003eDiagnostic capabilities: Supports system commissioning and maintenance activities.\u003c\/li\u003e\n\u003cli\u003eIndustrial-grade electronics: Designed for reliable long-term operation in commercial environments.\u003c\/li\u003e\n\u003cli\u003eCompact design: Easily installed within VAV terminal units or HVAC control panels.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe VAV-SD2A delivers the reliability and precision required for commercial VAV terminal control, intelligent HVAC automation, and energy-efficient building management.\u003c\/p\u003e","brand":"Alerton","offers":[{"title":"Default Title","offer_id":52175307505962,"sku":"VAV-SD2A","price":525.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0800\/0392\/4266\/files\/s-l1600_27df447e-2d11-40ff-8e03-a7615400f8e8.webp?v=1785958766","url":"https:\/\/iqelectro.com\/products\/alerton-vav-sd2a-programmable-24-vac-variable-air-volume-hvac-controller","provider":"IQElectro","version":"1.0","type":"link"}