{"id":1092,"date":"2021-11-03T14:06:14","date_gmt":"2021-11-03T18:06:14","guid":{"rendered":"http:\/\/www.michiganair.com\/blog\/?p=1092"},"modified":"2021-11-03T14:06:17","modified_gmt":"2021-11-03T18:06:17","slug":"what-are-ec-motors","status":"publish","type":"post","link":"https:\/\/www.michiganair.com\/blog\/what-are-ec-motors\/","title":{"rendered":"What are EC Motors?"},"content":{"rendered":"\n<p>Source: <a href=\"http:\/\/www.priceindustries.com\">Price Industries<\/a><\/p>\n\n\n\n<p><strong>Providing Terminal Units with Energy Efficiency and Control<\/strong><\/p>\n\n\n\n<p>Fan-powered terminal units use a motor and blower assembly to handle high levels of external static pressure, which enables the product to serve long duct runs and multiple air outlets. Using a motor within an assembly allows for smaller air handling units and gives the terminal unit the ability to tolerate variability in the heating and cooling requirements of exterior zones. <\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/blog.priceindustries.com\/hs-fs\/hubfs\/FDC-DOASSilencer_Office_v002_Comp.jpg?width=489&amp;name=FDC-DOASSilencer_Office_v002_Comp.jpg\" alt=\"\"\/><figcaption>Fan-powered terminal units supply air volume to occupied zones, such as office spaces, in response to a control signal<\/figcaption><\/figure><\/div>\n\n\n\n<p>\n\nThese fan-powered units often use electronically commutated motors, commonly shortened to EC motors or ECMs, a motor technology that has been on the market since 1985. EC motors are brushless, permanent-magnet motors that incorporate a built-in power inverter to convert AC to DC voltage. This motor technology is used in fan-powered units and in system design due to its numerous technological advantages.\n\n<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter is-resized\"><img loading=\"lazy\" decoding=\"async\" src=\"http:\/\/www.michiganair.com\/blog\/wp-content\/uploads\/2021\/11\/Photos-2-and-3-1.jpg\" alt=\"\" class=\"wp-image-1107\" width=\"559\" height=\"213\" srcset=\"https:\/\/www.michiganair.com\/blog\/wp-content\/uploads\/2021\/11\/Photos-2-and-3-1.jpg 489w, https:\/\/www.michiganair.com\/blog\/wp-content\/uploads\/2021\/11\/Photos-2-and-3-1-300x114.jpg 300w\" sizes=\"(max-width: 559px) 100vw, 559px\" \/><figcaption>EC motor technology (left) is a popular choice for use in fan-powered terminal units (right)<\/figcaption><\/figure><\/div>\n\n\n\n<p>One key benefit of using EC motors in fan-powered terminal units is their energy efficiency. These motors consume less power than standard AC motors throughout the operating range. EC motors utilize ball bearings, which allow the turndown speed of the motor to vary from less than 100 revolutions per minute (rpm) to as much as 1,400 or 1,800 rpm depending on the model. The operating speed typically varies based on the terminal unit\u2019s size, blower selection and operating conditions.<\/p>\n\n\n\n<p>These motors are also fully programmable, giving users the flexibility to select the program that best suits their application. The operating speed discussed above is programmable, and most manufacturers offer additional programmed features, such as constant volume over a range of downstream static pressure, a preprogrammed fan air volume and a variable fan air volume. Some EC motors also offer speed feedback to the controller describing motor operation.\n\n<\/p>\n\n\n\n<div class=\"wp-block-image\"><figure class=\"aligncenter\"><img decoding=\"async\" src=\"https:\/\/blog.priceindustries.com\/hs-fs\/hubfs\/collection_G_ECM_speed_controller_motor_collage_v003.jpg?width=430&amp;name=collection_G_ECM_speed_controller_motor_collage_v003.jpg\" alt=\"\"\/><figcaption>EC motor speed controller enables remote adjustment<\/figcaption><\/figure><\/div>\n\n\n\n<p>\n\nProjects that specify EC motors accommodate variable fan volumes, allowing for further energy efficiency due to turndown or night setback and better thermal comfort through more complicated control sequences.<\/p>\n\n\n\n<p>For more information about how fan-powered terminal units with EC motors can be used in your next project, contact Michigan Air Products at <a href=\"mailto:sales@michiganair.com\" target=\"_blank\" rel=\"noreferrer noopener\" aria-label=\"sales@michiganair.com (opens in a new tab)\">sales@michiganair.com<\/a> or the Price Industries Terminals team at <a href=\"mailto:airmovement@priceindustries.com\">airmovement@priceindustries.com.<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Source: Price Industries Providing Terminal Units with Energy Efficiency and Control Fan-powered terminal units use a motor and blower assembly to handle high levels of external static pressure, which enables the product to serve long duct runs and multiple air outlets. Using a motor within an assembly allows for smaller air handling units and gives [&hellip;]<\/p>\n","protected":false},"author":7,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[1],"tags":[],"class_list":["post-1092","post","type-post","status-publish","format-standard","hentry","category-uncategorized"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v24.4 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\r\n<title>What are EC Motors? - Michigan Air Products Blog<\/title>\r\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\r\n<link rel=\"canonical\" href=\"https:\/\/www.michiganair.com\/blog\/what-are-ec-motors\/\" \/>\r\n<meta property=\"og:locale\" content=\"en_US\" \/>\r\n<meta property=\"og:type\" content=\"article\" \/>\r\n<meta property=\"og:title\" content=\"What are EC Motors? - Michigan Air Products Blog\" \/>\r\n<meta property=\"og:description\" content=\"Source: Price Industries Providing Terminal Units with Energy Efficiency and Control Fan-powered terminal units use a motor and blower assembly to handle high levels of external static pressure, which enables the product to serve long duct runs and multiple air outlets. Using a motor within an assembly allows for smaller air handling units and gives [&hellip;]\" \/>\r\n<meta property=\"og:url\" content=\"https:\/\/www.michiganair.com\/blog\/what-are-ec-motors\/\" \/>\r\n<meta property=\"og:site_name\" content=\"Michigan Air Products Blog\" \/>\r\n<meta property=\"article:published_time\" content=\"2021-11-03T18:06:14+00:00\" \/>\r\n<meta property=\"article:modified_time\" content=\"2021-11-03T18:06:17+00:00\" \/>\r\n<meta property=\"og:image\" content=\"https:\/\/blog.priceindustries.com\/hs-fs\/hubfs\/FDC-DOASSilencer_Office_v002_Comp.jpg?width=489&amp;name=FDC-DOASSilencer_Office_v002_Comp.jpg\" \/>\r\n<meta name=\"author\" content=\"Melissa Larson\" \/>\r\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\r\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Melissa Larson\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"2 minutes\" \/>\r\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"WebPage\",\"@id\":\"https:\/\/www.michiganair.com\/blog\/what-are-ec-motors\/\",\"url\":\"https:\/\/www.michiganair.com\/blog\/what-are-ec-motors\/\",\"name\":\"What are EC Motors? 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