Electrical duct heater 135 – 2200 \u03a9 \u7535\u5b50\u7ba1135 – 2200\u03a9<\/p>\n
Electrical duct heater 135 – 2200 \u03a9 \u7535\u5b50\u7ba1135 – 2200\u03a9<\/p>\n
Characteristics
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Power source:
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electrical
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Description
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A job specification can be prepared by using the following information. Simply darken the applicable circles. Material which is part of the basic specification has already been darkened. Additional copies of this specification guide are available from your local Heatrex representative.
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Duct heaters shall be Heatrex:
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Type KUB Custom Slip-in Open Coil Heater
\u5728\u5f00\u653e\u5f0f\u7ebf\u5708\u52a0\u70ed\u5668KUB\u81ea\u5b9a\u4e49\u6ed1\u52a8
Type PUB Custom Flanged Open Coil Heater
\u578b\u9152\u5427\u5b9a\u5236\u6cd5\u5170\u5f00\u8def\u7ebf\u5708\u52a0\u70ed\u5668
Type TFKU Custom Slip-in Finned Tubular Heater
\u5728\u7fc5\u7247\u7ba1\u52a0\u70ed\u5668tfku\u5b9a\u5236\u5f0f\u6ed1
Type TFPU Custom Flanged Finned Tubular Heater
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Approvals – Heaters and panel boards (if required) shall meet the requirements of the National Electrical Code and shall be listed by Under writers Laboratories for zero clearance to combustible surfaces and for use with heat pumps and air conditioning equipment.
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Heating elements shall be open coil, 80 nickel, 20 chromium, Grade A resistance wire. Type C alloys containing iron or other alloys are not acceptable. Coils shall be machine crimped into stainless steel terminals extending at least 1″ into the air stream and all terminal hardware shall be stainless steel. Coils shall be supported by ceramic bushings staked into supporting brackets.
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Heater frames and terminal boxes shall be corrosion resistant steel. Unless otherwise indicated, the terminal box shall be NEMA 1 construction and shall be provided with a hinged, latching cover and multiple concentric knockouts for field wiring.
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Electrical duct heater 135 – 2200 \u03a9 \u7535\u5b50\u7ba1135 – 2200\u03a9<\/strong><\/p>\n Electrical duct heater 135 – 2200 \u03a9 \u7535\u5b50\u7ba1135 – 2200\u03a9 Characteristics\u7279\u70b9Power sour <\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[3],"tags":[],"_links":{"self":[{"href":"https:\/\/www.bihec.com\/heatrex\/wp-json\/wp\/v2\/posts\/273315"}],"collection":[{"href":"https:\/\/www.bihec.com\/heatrex\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.bihec.com\/heatrex\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.bihec.com\/heatrex\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/www.bihec.com\/heatrex\/wp-json\/wp\/v2\/comments?post=273315"}],"version-history":[{"count":0,"href":"https:\/\/www.bihec.com\/heatrex\/wp-json\/wp\/v2\/posts\/273315\/revisions"}],"wp:attachment":[{"href":"https:\/\/www.bihec.com\/heatrex\/wp-json\/wp\/v2\/media?parent=273315"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.bihec.com\/heatrex\/wp-json\/wp\/v2\/categories?post=273315"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.bihec.com\/heatrex\/wp-json\/wp\/v2\/tags?post=273315"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}<\/div>","protected":false},"excerpt":{"rendered":"