{"id":324,"date":"2022-06-20T21:36:42","date_gmt":"2022-06-20T21:36:42","guid":{"rendered":"https:\/\/www.heatizon.com\/snowmeltz\/?p=324"},"modified":"2022-06-22T15:21:39","modified_gmt":"2022-06-22T15:21:39","slug":"install-contactor-relay-panel","status":"publish","type":"post","link":"https:\/\/www.heatizon.com\/snowmeltz\/2022\/06\/20\/install-contactor-relay-panel\/","title":{"rendered":"Install Contactor\/Relay Panel"},"content":{"rendered":"\n<div class=\"wp-block-buttons is-layout-flex wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-pale-cyan-blue-color has-text-color\" href=\"https:\/\/www.heatizon.com\/snowmeltz\/2022\/03\/02\/electrical-connections\/\" style=\"border-radius:10px\">Electrical Connections<\/a><\/div>\n<\/div>\n\n\n\n<p>The M330\/M530 panel must be located inside, unless a custom outdoor-rated enclosure is used. The<br>location should be free from moisture and reasonably close access to heated area and main<br>circuit panel for making electrical connections.<\/p>\n\n\n\n<div class=\"wp-block-columns is-layout-flex wp-container-core-columns-is-layout-9d6595d7 wp-block-columns-is-layout-flex\">\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img  title=\"\" loading=\"lazy\" decoding=\"async\" width=\"2304\" height=\"1725\" src=\"https:\/\/www.heatizon.com\/snowmeltz\/wp-content\/uploads\/2022\/06\/DSCN1033-edited.jpg\"  alt=\"DSCN1033-edited Install Contactor\/Relay Panel\"  class=\"wp-image-333\" srcset=\"https:\/\/www.heatizon.com\/snowmeltz\/wp-content\/uploads\/2022\/06\/DSCN1033-edited.jpg 2304w, https:\/\/www.heatizon.com\/snowmeltz\/wp-content\/uploads\/2022\/06\/DSCN1033-edited-300x225.jpg 300w, https:\/\/www.heatizon.com\/snowmeltz\/wp-content\/uploads\/2022\/06\/DSCN1033-edited-1024x767.jpg 1024w, https:\/\/www.heatizon.com\/snowmeltz\/wp-content\/uploads\/2022\/06\/DSCN1033-edited-768x575.jpg 768w, https:\/\/www.heatizon.com\/snowmeltz\/wp-content\/uploads\/2022\/06\/DSCN1033-edited-1536x1150.jpg 1536w, https:\/\/www.heatizon.com\/snowmeltz\/wp-content\/uploads\/2022\/06\/DSCN1033-edited-2048x1533.jpg 2048w\" sizes=\"auto, (max-width: 2304px) 100vw, 2304px\" \/><\/figure>\n<\/div>\n\n\n\n<div class=\"wp-block-column is-layout-flow wp-block-column-is-layout-flow\">\n<figure class=\"wp-block-image size-large\"><img  title=\"\" loading=\"lazy\" decoding=\"async\" width=\"2304\" height=\"1725\" src=\"https:\/\/www.heatizon.com\/snowmeltz\/wp-content\/uploads\/2022\/06\/DSCN1034-edited.jpg\"  alt=\"DSCN1034-edited Install Contactor\/Relay Panel\"  class=\"wp-image-334\" srcset=\"https:\/\/www.heatizon.com\/snowmeltz\/wp-content\/uploads\/2022\/06\/DSCN1034-edited.jpg 2304w, https:\/\/www.heatizon.com\/snowmeltz\/wp-content\/uploads\/2022\/06\/DSCN1034-edited-300x225.jpg 300w, https:\/\/www.heatizon.com\/snowmeltz\/wp-content\/uploads\/2022\/06\/DSCN1034-edited-1024x767.jpg 1024w, https:\/\/www.heatizon.com\/snowmeltz\/wp-content\/uploads\/2022\/06\/DSCN1034-edited-768x575.jpg 768w, https:\/\/www.heatizon.com\/snowmeltz\/wp-content\/uploads\/2022\/06\/DSCN1034-edited-1536x1150.jpg 1536w, https:\/\/www.heatizon.com\/snowmeltz\/wp-content\/uploads\/2022\/06\/DSCN1034-edited-2048x1533.jpg 2048w\" sizes=\"auto, (max-width: 2304px) 100vw, 2304px\" \/><\/figure>\n<\/div>\n<\/div>\n\n\n\n<p>When installing multiple SnowMeltz and the total amp load is over 30 amps, a panel will be<br>required. Heatizon has several options to meet this need:<\/p>\n\n\n\n<ul class=\"wp-block-list\"><li>M530 Series &#8211; Contactor panel, perfect for low-budget applications, handles up to 4 circuits, and up to 50 amps per circuit, no GFEP.<\/li><li>M330 Series &#8211; Relay panel without GFEP, handles up to 4 circuits, and up to 30 amps per circuit.<\/li><li>M330-50 Series &#8211; Relay panel without GFEP, handles up to 4 circuits, and up to 50 amps per circuit.<\/li><li>M330G Series &#8211; Relay panel with GFEP, handles up to 4 circuits, and up to 30 amps per circuit.<\/li><li>M330G-40 Series &#8211; Relay panel with GFEP, handles up to 4 circuits, and up to 40 amps per circuit.<\/li><li>Custom Panels created to project specifications.<\/li><\/ul>\n\n\n\n<p>For wiring the panel for your project consult the wiring diagram for that specific panel. Some panels may<br>or may not require 120V for direct power.<\/p>\n\n\n\n<h4 class=\"wp-block-heading\">For M530 series contactor panels:<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img  title=\"\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"618\" src=\"https:\/\/www.heatizon.com\/snowmeltz\/wp-content\/uploads\/2022\/06\/Snowmeltz-M326A-M530-1024x618.jpg\"  alt=\"Snowmeltz-M326A-M530-1024x618 Install Contactor\/Relay Panel\"  class=\"wp-image-325\" srcset=\"https:\/\/www.heatizon.com\/snowmeltz\/wp-content\/uploads\/2022\/06\/Snowmeltz-M326A-M530-1024x618.jpg 1024w, https:\/\/www.heatizon.com\/snowmeltz\/wp-content\/uploads\/2022\/06\/Snowmeltz-M326A-M530-300x181.jpg 300w, https:\/\/www.heatizon.com\/snowmeltz\/wp-content\/uploads\/2022\/06\/Snowmeltz-M326A-M530-768x464.jpg 768w, https:\/\/www.heatizon.com\/snowmeltz\/wp-content\/uploads\/2022\/06\/Snowmeltz-M326A-M530-1536x928.jpg 1536w, https:\/\/www.heatizon.com\/snowmeltz\/wp-content\/uploads\/2022\/06\/Snowmeltz-M326A-M530-2048x1237.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n\n<p>Notes:<\/p>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-large is-resized\"><img  title=\"\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.heatizon.com\/snowmeltz\/wp-content\/uploads\/2022\/06\/contactor-wiring-1024x618.jpg\"  alt=\"contactor-wiring-1024x618 Install Contactor\/Relay Panel\"  class=\"wp-image-327\" width=\"469\" height=\"281\"\/><\/figure>\n<\/div>\n\n\n<ul class=\"has-medium-font-size wp-block-list\"><li>Connections to the M326 series activators, CANNOT be made inside the device, they MUST be made in a outdoor-rated junction box mounted below the device. Failure to do so will void the warranty and damage the unit.<\/li><li>SnowMeltz cold leads are 20 feet long, in the event that the cold lead(s) are not long enough, they must be extended using an appropriate gauge wire for the load\/voltage and the appropriate junction box dependent on the location of the box. Please follow local codes for type\/gauge of wire and type\/rating of junction box to be used.<\/li><li>Use the appropriate number and size of breakers for the project, do not overload circuit breakers, or contactors in a panel.<\/li><li>Contactors have a maximum capacity of 50 full load amps, do not exceed this rating.<\/li><\/ul>\n\n\n\n<h4 class=\"wp-block-heading\">For M330 series relay panels:<\/h4>\n\n\n\n<figure class=\"wp-block-image size-large\"><img  title=\"\" loading=\"lazy\" decoding=\"async\" width=\"1024\" height=\"618\" src=\"https:\/\/www.heatizon.com\/snowmeltz\/wp-content\/uploads\/2022\/06\/Snowmeltz-M326A-M330-1024x618.jpg\"  alt=\"Snowmeltz-M326A-M330-1024x618 Install Contactor\/Relay Panel\"  class=\"wp-image-326\" srcset=\"https:\/\/www.heatizon.com\/snowmeltz\/wp-content\/uploads\/2022\/06\/Snowmeltz-M326A-M330-1024x618.jpg 1024w, https:\/\/www.heatizon.com\/snowmeltz\/wp-content\/uploads\/2022\/06\/Snowmeltz-M326A-M330-300x181.jpg 300w, https:\/\/www.heatizon.com\/snowmeltz\/wp-content\/uploads\/2022\/06\/Snowmeltz-M326A-M330-768x464.jpg 768w, https:\/\/www.heatizon.com\/snowmeltz\/wp-content\/uploads\/2022\/06\/Snowmeltz-M326A-M330-1536x928.jpg 1536w, https:\/\/www.heatizon.com\/snowmeltz\/wp-content\/uploads\/2022\/06\/Snowmeltz-M326A-M330-2048x1237.jpg 2048w\" sizes=\"auto, (max-width: 1024px) 100vw, 1024px\" \/><\/figure>\n\n\n<div class=\"wp-block-image\">\n<figure class=\"alignright size-large is-resized\"><img  title=\"\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.heatizon.com\/snowmeltz\/wp-content\/uploads\/2022\/06\/relay-wiring-e1655759436825-1024x991.jpg\"  alt=\"relay-wiring-e1655759436825-1024x991 Install Contactor\/Relay Panel\"  class=\"wp-image-328\" width=\"366\" height=\"353\" srcset=\"https:\/\/www.heatizon.com\/snowmeltz\/wp-content\/uploads\/2022\/06\/relay-wiring-e1655759436825-1024x991.jpg 1024w, https:\/\/www.heatizon.com\/snowmeltz\/wp-content\/uploads\/2022\/06\/relay-wiring-e1655759436825-300x290.jpg 300w, https:\/\/www.heatizon.com\/snowmeltz\/wp-content\/uploads\/2022\/06\/relay-wiring-e1655759436825-768x743.jpg 768w, https:\/\/www.heatizon.com\/snowmeltz\/wp-content\/uploads\/2022\/06\/relay-wiring-e1655759436825.jpg 1125w\" sizes=\"auto, (max-width: 366px) 100vw, 366px\" \/><\/figure>\n<\/div>\n\n\n<ul class=\"wp-block-list\"><li>Connections to the M326 series activators, CANNOT be made inside the device, they MUST be made in a outdoor-rated junction box mounted below the device. Failure to do so will void the warranty and damage the unit.<\/li><li>SnowMeltz cold leads are 20 feet long, in the event that the cold lead(s) are not long enough, they must be extended using an appropriate gauge wire for the load\/voltage and the appropriate junction box dependent on the location of the box. Please follow local codes for type\/gauge of wire and type\/rating of junction box to be used.<\/li><li>Use the appropriate number and size of breakers for the project, do not overload circuit breakers or relays in a panel.<\/li><li>Consult the instructions for the specific relay panel purchased for it\u2019s full load specifications. DO NOT exceed this full load rating.<\/li><li>Do not alter, tamper with, or change the factory wiring of any M330 Series relay panel, as this will void the warranty and can cause damage to the panel, connected heating systems, and circuit breakers.<\/li><\/ul>\n\n\n\n<div class=\"wp-block-buttons is-content-justification-right is-layout-flex wp-container-core-buttons-is-layout-765c4724 wp-block-buttons-is-layout-flex\">\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-pale-cyan-blue-color has-text-color\" href=\"https:\/\/www.heatizon.com\/snowmeltz\/2022\/03\/03\/snowmeltz-forms\/\" style=\"border-radius:10px\">Forms<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-pale-cyan-blue-color has-text-color\" href=\"https:\/\/www.heatizon.com\/snowmeltz\/2022\/03\/02\/electrical-connections\/\" style=\"border-radius:10px\">Electrical Connections<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-pale-cyan-blue-color has-text-color\" href=\"https:\/\/www.heatizon.com\/snowmeltz\/2022\/03\/03\/activator-quick-start-wiring-guides-2\/\" style=\"border-radius:10px\">M326A Activator<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-pale-cyan-blue-color has-text-color\" href=\"https:\/\/www.heatizon.com\/snowmeltz\/2022\/06\/20\/m326ars-2z-activation-device\/\" style=\"border-radius:10px\">M326ARS\/-2Z Activator<\/a><\/div>\n\n\n\n<div class=\"wp-block-button\"><a class=\"wp-block-button__link has-pale-cyan-blue-color has-text-color\" href=\"https:\/\/www.heatizon.com\/snowmeltz\/2022\/03\/02\/activator-quick-start-wiring-guides\/\" style=\"border-radius:10px\">Other Activators<\/a><\/div>\n<\/div>\n\n\n\n<hr class=\"wp-block-separator has-css-opacity\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Jump to a section<\/h2>\n\n\n<ul class=\"wp-block-categories-list wp-block-categories\">\t<li class=\"cat-item cat-item-28\"><a href=\"https:\/\/www.heatizon.com\/snowmeltz\/category\/installation\/introduction\/\">Introduction<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-15\"><a href=\"https:\/\/www.heatizon.com\/snowmeltz\/category\/installation\/warnings-guidelines\/\">Warnings &amp; Guidelines<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-14\"><a href=\"https:\/\/www.heatizon.com\/snowmeltz\/category\/installation\/suggestions\/\">Suggestions<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-16\"><a href=\"https:\/\/www.heatizon.com\/snowmeltz\/category\/installation\/snowmeltz-information\/\">SnowMeltz Information<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-18\"><a href=\"https:\/\/www.heatizon.com\/snowmeltz\/category\/installation\/product-selection\/\">Product Selection<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-21\"><a href=\"https:\/\/www.heatizon.com\/snowmeltz\/category\/installation\/installation-design\/\">Installation Design<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-19\"><a href=\"https:\/\/www.heatizon.com\/snowmeltz\/category\/installation\/required-tests\/\">Required Tests<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-20\"><a href=\"https:\/\/www.heatizon.com\/snowmeltz\/category\/installation\/area-prep\/\">Area Prep<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-22\"><a href=\"https:\/\/www.heatizon.com\/snowmeltz\/category\/installation\/installation-installation\/\">Installation<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-23\"><a href=\"https:\/\/www.heatizon.com\/snowmeltz\/category\/installation\/activation-device\/\">Activation Device<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-24\"><a href=\"https:\/\/www.heatizon.com\/snowmeltz\/category\/installation\/surface-installation\/\">Surface Installation<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-25\"><a href=\"https:\/\/www.heatizon.com\/snowmeltz\/category\/installation\/electrical-connections\/\">Electrical Connections<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-26\"><a href=\"https:\/\/www.heatizon.com\/snowmeltz\/category\/installation\/quick-start-guides\/\">Quick Start Guides<\/a>\n<\/li>\n\t<li class=\"cat-item cat-item-27\"><a href=\"https:\/\/www.heatizon.com\/snowmeltz\/category\/installation\/warranty-forms\/\">Warranty &amp; Forms<\/a>\n<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>The M330\/M530 panel must be located inside, unless a custom outdoor-rated enclosure is used. Thelocation should be free from moisture and reasonably close access to heated area and maincircuit panel for making electrical connections. When installing multiple SnowMeltz and the total amp load is over 30 amps, a panel will berequired. Heatizon has several options [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[23],"tags":[],"class_list":["post-324","post","type-post","status-publish","format-standard","hentry","category-activation-device"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v26.7 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Install Contactor\/Relay Panel -<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.heatizon.com\/snowmeltz\/2022\/06\/20\/install-contactor-relay-panel\/\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Install Contactor\/Relay Panel -\" \/>\n<meta property=\"og:description\" content=\"The M330\/M530 panel must be located inside, unless a custom outdoor-rated enclosure is used. Thelocation should be free from moisture and reasonably close access to heated area and maincircuit panel for making electrical connections. When installing multiple SnowMeltz and the total amp load is over 30 amps, a panel will berequired. Heatizon has several options [&hellip;]\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.heatizon.com\/snowmeltz\/2022\/06\/20\/install-contactor-relay-panel\/\" \/>\n<meta property=\"article:published_time\" content=\"2022-06-20T21:36:42+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2022-06-22T15:21:39+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.heatizon.com\/snowmeltz\/wp-content\/uploads\/2022\/06\/DSCN1033-edited.jpg\" \/>\n<meta name=\"author\" content=\"jallen\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"jallen\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"3 minutes\" \/>\n<script type=\"application\/ld+json\" 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Thelocation should be free from moisture and reasonably close access to heated area and maincircuit panel for making electrical connections. When installing multiple SnowMeltz and the total amp load is over 30 amps, a panel will berequired. 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