Cold Weather Catalog - Chromalox Precision Heat and Control

ComfortKRSingle Fixed ElementRadiant Heater• 0.8 - 1.8 kW• 2,730 - 6,142 Btuh• 120, 208 and 240 Volt• Single Phase• Protective GrilleDescriptionKR metal sheath infrared radiant heaters providecomfort heat in indoor and protected outdoorlocations. They may be ceiling mountedby chains, steel strap or other means and canbe mounted elsewhere at any angle. Use alsofor supplemental heat in problem spots or as acomplete heating system.Dimensions (Inches)4-1/16Applications• Spot Heating• Aisleways• Entryways• Farm Buildings• Parts Counters• Loading DocksConstruction2-3/83-11/16Extruded Aluminum Housing — Ruggeddesign provides added protection to heatingelement and refl ector.Highly Polished Aluminum Refl ectors givegood refl ectivity and heat transfer, and areeasily cleaned to maintain energy effi ciency.Protective Grille — Helps protect personnelfrom direct contact with hot element.Heating Elements — Triangular cross section3/8” diameter alloy sheath element located atthe focal point of a built-in optically designed,polished aluminum parabolic refl ector.HeatedOverallMounting Clamps — Two sliding clamps areshipped with the heater for attachment to supports.Field Wiring is accomplished with a 6" long1/2" flexible metallic conduit with male plug. All208 to 240V heaters have a polarized plug, while120V heaters have a 3-prong grounded plug.For Horizontal, Vertical or Angled Mountingon your supporting framework. Type KR isprovided with 6" of fl exible metallic conduitconnected to a standard male plug.Advantages6' BX and PolarizedPlug (208 - 240V)2 Prong Plug 120V• Minimum Maintenance• Easy Installation• No Toxic Byproducts of Combustion• Fast Response• Easy to ControlCeiling Mounting — Mounting chains, steelstrap or other means and can be convenientlymounted at virtually any angle.CAUTION — Not intended for use wherefl ammable vapors, gases, liquids or othercombustible atmospheres are present.Specifications and Ordering InformationRefer toWR-80, WR-90,VCF, VCS, VCR, HCPin the Controls section.Electrical Dimensions (In.) OrderingNo.Heated OverallkW Volts Phase Elem. Btuh Length Length Model Stock PCN0.8 120 1 1 2,730 16-3/4 24-3/80.8 240 1 1 2,730 16-3/4 24-3/8 KR-2083B AS 1203521.1 120 1 1 3,753 22-5/8 30-5/8 KR-3113B AS 1203601.1 208 1 1 3,753 22-5/8 30-5/81.1 240 1 1 3,753 22-5/8 30-5/8 KR-3113B AS 1203871.81.820824011116,1426,14238-5/838-5/846-5/846-5/8Stock Status: S = stock AS = assembly stock NS = non-stockTo Order—Specify model, PCN, kW, volts, phase and quantity.Wt.(Lbs.)99111111KR-4183BV AS 120395 131376