{"product_id":"w7459a1001-honeywell-economizer-logic-module","title":"W7459A1001 | Honeywell Economizer Logic Module","description":"\u003ch4\u003eDescription \u003c\/h4\u003e\n\u003cp data-start=\"144\" data-end=\"396\"\u003eThe Honeywell W7459A1001 is a compact, solid-state economizer logic module that integrates with M7415 or M8405 damper actuators and enthalpy or discharge air sensors.\u003c\/p\u003e\n\u003cp data-start=\"284\" data-end=\"574\" class=\"\"\u003e \u003c\/p\u003e\n\u003cp data-start=\"284\" data-end=\"574\" class=\"\"\u003e \u003c\/p\u003e\n\u003ch4\u003eTechnical Specifications \u003c\/h4\u003e\n\u003ctable width=\"100%\" style=\"height: 588px; width: 100%;\"\u003e\n\u003ctbody\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 32.6718%; text-align: left; height: 19.6px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eCondition\u003c\/th\u003e\n\u003ctd style=\"width: 67.1588%; height: 19.6px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003eNew\/Never Used Surplus\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 32.6718%; text-align: left; height: 19.6px;\" class=\"text-left text-body1 text-bold py-10 pr-10 desktop:pr-[10rem] desktop:text-nowrap\"\u003eBrand\u003c\/th\u003e\n\u003ctd style=\"width: 67.1588%; height: 19.6px;\" class=\"text-left text-body1 py-10 desktop:w-[60%]\"\u003e\u003cspan data-sheets-root=\"1\"\u003eHoneywell\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 32.6718%; text-align: left; height: 19.6px;\"\u003eCategory\u003c\/th\u003e\n\u003ctd style=\"width: 67.1588%; height: 19.6px;\"\u003e\n\u003cdiv class=\"mt-1 md:mt-0 column-left basis-2\/4 divide-y divide-rad-gray-10 border-b-[0.0625rem] border-rad-gray-10 md:border-0\"\u003e\n\u003cdiv class=\"flex gap-[1.75rem] md:gap-x-0 xl:gap-x-[1.875rem]\"\u003e\n\u003cdiv class=\"text-body-4 w-full font-light py-5 pl-4 md:py-6 md:pl-6 text-rad-gray-70\"\u003e\n\u003cdiv class=\"max-w-[8rem] break-words\"\u003e\n\u003cspan\u003e\u003c\/span\u003e\u003cspan\u003eHVAC\u003c\/span\u003e\u003cbr\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 32.6718%; text-align: left; height: 19.6px;\"\u003e\u003cspan\u003ePart Number\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 67.1588%; height: 19.6px;\"\u003e\u003cspan data-sheets-root=\"1\"\u003eW7459A1001\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 32.6718%; text-align: left; height: 19.6px;\"\u003e\u003cspan\u003eSubcategory\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 67.1588%; height: 19.6px;\"\u003e\u003cspan data-sheets-root=\"1\"\u003e\u003cspan\u003eHVAC Accessory \u0026amp; Rebuild Kit \u0026amp; Seal Kit\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 32.6718%; text-align: left; height: 19.6px;\"\u003e\u003cspan\u003eTechnology\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 67.1588%; height: 19.6px;\"\u003e\u003cspan\u003eSolid-State\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 32.6718%; text-align: left; height: 19.6px;\"\u003e\u003cspan\u003eRelay Type\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 67.1588%; height: 19.6px;\"\u003e\u003cspan\u003e2 SPDT Relays\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 32.6718%; text-align: left; height: 19.6px;\"\u003e\u003cspan\u003eSensor Compatibility\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 67.1588%; height: 19.6px;\"\u003e\u003cspan\u003eC7400A Solid-State Enthalpy Sensor\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 32.6718%; text-align: left; height: 19.6px;\"\u003e\u003cspan\u003eFrequency\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 67.1588%; height: 19.6px;\"\u003e\u003cspan\u003e50\/60 Hz\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 32.6718%; text-align: left; height: 19.6px;\"\u003e\u003cspan\u003eContact Ratings\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 67.1588%; height: 19.6px;\"\u003e\u003cspan\u003e3.5 A Inrush @ 24 VAC (1.5 A continuous)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 32.6718%; text-align: left; height: 19.6px;\"\u003e\u003cspan\u003eOutput\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 67.1588%; height: 19.6px;\"\u003e\u003cspan\u003eProportional output to M7415 actuator\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003cth style=\"width: 32.6718%; text-align: left; height: 39.2px;\"\u003e\u003cspan\u003eOperating Temperature Range (°F)\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 67.1588%; height: 39.2px;\"\u003e\u003cspan\u003e–40°F to +125°F\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 39.2px;\"\u003e\n\u003cth style=\"width: 32.6718%; text-align: left; height: 39.2px;\"\u003e\u003cspan\u003eOperating Temperature Range (°C)\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 67.1588%; height: 39.2px;\"\u003e\u003cspan\u003e–40°C to +52°C\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 32.6718%; text-align: left; height: 19.6px;\"\u003e\u003cspan\u003eHumidity Rating\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 67.1588%; height: 19.6px;\"\u003e\u003cspan\u003e5–95% RH (non-condensing)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 32.6718%; text-align: left; height: 19.6px;\"\u003e\u003cspan\u003eCE Compliance\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 67.1588%; height: 19.6px;\"\u003e\u003cspan\u003eCE Report GV97-010\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 32.6718%; text-align: left; height: 19.6px;\"\u003e\u003cspan\u003eHeight\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 67.1588%; height: 19.6px;\"\u003e\u003cspan\u003e103 mm (4-1\/16″)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 32.6718%; text-align: left; height: 19.6px;\"\u003e\u003cspan\u003eWidth\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 67.1588%; height: 19.6px;\"\u003e\u003cspan\u003e71 mm (2-13\/16″)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 32.6718%; text-align: left; height: 19.6px;\"\u003e\u003cspan\u003eDepth\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 67.1588%; height: 19.6px;\"\u003e\u003cspan\u003e32 mm (1-1\/4″)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr style=\"height: 19.6px;\"\u003e\n\u003cth style=\"width: 32.6718%; text-align: left; height: 19.6px;\"\u003e\u003cspan\u003eWeight\u003c\/span\u003e\u003c\/th\u003e\n\u003ctd style=\"width: 67.1588%; height: 19.6px;\"\u003e\u003cspan\u003e0.31 lbs\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003cspan style=\"font-size: 0.875rem;\"\u003e \u003c\/span\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003ch4\u003eInformation About W7459A1001\u003c\/h4\u003e\n\u003cp\u003eThe Honeywell W7459A1001 is a solid-state economizer logic module designed to optimize free cooling in commercial HVAC systems by proportionally controlling outdoor and return air dampers. Compatible with Honeywell M7415 and M8405 actuators, this module integrates enthalpy or temperature sensor inputs to automate ventilation and cooling decisions based on environmental conditions. With built-in adjustment features and a compact design, the W7459A1001 enhances energy efficiency and comfort in rooftop units and air-handling systems. Though discontinued, it remains in service across many legacy installations.\u003c\/p\u003e\n\u003ch4\u003eKey Features:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003ePrecision Damper Control: Interfaces directly with M7415 or M8405 actuators to modulate damper positions based on sensor inputs, optimizing ventilation and maximizing use of outdoor air for free cooling.\u003c\/li\u003e\n\u003cli\u003eEnthalpy \u0026amp; Differential Sensing: Compatible with C7400A solid-state enthalpy sensors, and supports an optional second sensor for return air—enabling accurate differential control based on humidity and temperature conditions.\u003c\/li\u003e\n\u003cli\u003eBuilt-in Minimum Position Potentiometer: Features an onboard adjustment dial to set the minimum damper position for maintaining ventilation requirements during non-economizer operation. Supports optional remote potentiometers for added flexibility.\u003c\/li\u003e\n\u003cli\u003eCompressor Staging \u0026amp; LED Feedback: Equipped with 2 SPDT relays to support compressor staging and a status LED to indicate economizer operation—helping technicians verify system performance at a glance.\u003c\/li\u003e\n\u003cli\u003eRobust Environmental Ratings: Operates from –40°F to +125°F (–40°C to +52°C) and 5–95% RH non-condensing, making it suitable for outdoor rooftop unit installations and harsh mechanical room environments.\u003c\/li\u003e\n\u003cli\u003eCompact, CE-Certified Design: Housed in a small 103 mm × 71 mm × 32 mm module, with CE certification (Report GV97-010) and 24 VAC 50\/60 Hz operation. Relay contact rated at 3.5 A inrush at 24 VAC.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe W7459A1001 delivers effective, reliable economizer logic for systems requiring solid-state damper control and enthalpy-based free cooling. Its compact design, proportional modulation capability, and sensor compatibility have made it a dependable component in countless rooftop HVAC systems, even after its discontinuation. For modern replacements, Honeywell’s JADE series controllers offer expanded capabilities and BACnet support.\u003c\/p\u003e","brand":"Honeywell","offers":[{"title":"Default Title","offer_id":49105292591360,"sku":"W7459A1001","price":733.53,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0388\/5331\/2557\/files\/Y7220S7215_1024x1024_2x_cb6caecd-00e8-4551-9a9e-39b80d2b9632.jpg?v=1785544277","url":"https:\/\/alotechparts.com\/products\/w7459a1001-honeywell-economizer-logic-module","provider":"Alo Tech Solutions","version":"1.0","type":"link"}