A-102-1 Electric Duct Heater Brochure - Brasch
A-102-1 Electric Duct Heater Brochure - Brasch A-102-1 Electric Duct Heater Brochure - Brasch
Special ConstructionsHeaters forDucts withInternalObstructionsRECESSED TERMINAL BOX—forslip-in heaters; brings element terminalsand thermal cutouts further intothe airstream (recommended wherethe element terminals are blocked byan obstruction of more than 1").DUSTTIGHT TERMINAL BOX—slip-in orflanged heaters have sturdy terminal box andcover with sealed seams. A gasket is providedinside the terminal box cover to seal the cover tothe terminal box. UL Listed for indoor use only.10 BRASCH MANUFACTURING
Bottom TerminalBoxesBOTTOM INSERT—slip-in heater inserts througha hole in the bottom of a horizontal duct. Internalterminal box contains resistance coil terminations,automatic reset and secondary thermal cutouts, allprewired to terminal blocks in field terminal box.Control components such as contractors, fusesand transformers are mounted in bottom terminalbox. Specify W and H dimensions (minimum Wdimension is 12").RAINTIGHT HEATER—UL Listed for outdooruse; formed of heavy gauge galvanized steel,sealed with high temperature sealant. May besupplied with recessed construction. Flangedconstruction fits any horizontal, rectangular duct.Available with standard built-in components thatdo not protrude through door such as contactors,fuses, transformers, step controller, PE switches,etc. Insulated terminal box or insulated flange arenot available UL Listed. Consult local representativefor additional information. Not suitable for usein salt spray environments.BULLETIN A102-111
- Page 1 and 2: Bulletin A102-1© Brasch Manufactur
- Page 3: Ratingsand SizesYou specify it—we
- Page 6 and 7: Construction DetailsAutomatic reset
- Page 8 and 9: Step ControllersStep controllers ar
- Page 12 and 13: Special Constructions (cont.)BOTTOM
- Page 15 and 16: Finned TubularSLIP-IN AND FLANGED
- Page 17 and 18: Use these formulae as rough guideli
- Page 19 and 20: How to Calculate Line CurrentsTo de
- Page 21 and 22: Wiring Diagram Control System 2Mult
- Page 23 and 24: Wiring Diagram Control System 4Tota
- Page 25 and 26: REQUIREMENT(b) Thermostats That Do
- Page 27 and 28: Express Duct Heaters 14 Day Shipmen
Special Constructions<strong>Heater</strong>s for<strong>Duct</strong>s withInternalObstructionsRECESSED TERMINAL BOX—forslip-in heaters; brings element terminalsand thermal cutouts further intothe airstream (recommended wherethe element terminals are blocked byan obstruction of more than 1").DUSTTIGHT TERMINAL BOX—slip-in orflanged heaters have sturdy terminal box andcover with sealed seams. A gasket is providedinside the terminal box cover to seal the cover tothe terminal box. UL Listed for indoor use only.10 BRASCH MANUFACTURING