Carrier 58DFA Service And Maintenance Instructions

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Carrier 58DFA Service And Maintenance Instructions Manual pdf 1 page image

58DFA, 58GFAInduced-Combustion FurnacesService and Maintenance InstructionsFor Sizes 065-150 Series 120NOTE: Read the entire instruction manual before starting theinstallation.Index PageSAFETY CONSIDERATIONS .....................................................1CARE AND MAINTENANCE..................................................1-8Air Filter Arrangement..........................................................2-3Blower Motor and Wheel......................................................3-4Cleaning Heat Exchanger......................................................4-5Electrical Controls and Wiring .............................................5-6Pilot ...........................................................................................6Troubleshooting ........................................................................6Unit Wiring Diagram................................................................7Troubleshooting Chart ..............................................................8SAFETY CONSIDERATIONSInstalling and servicing heating equipment can be hazardous due togas and electrical components. Only trained and qualified person-nel should install, repair, or service heating equipment.Untrained personnel can perform basic maintenance functionssuch as cleaning and replacing air filters. All other operations mustbe performed by trained service personnel. When working onheating equipment, observe precautions in the literature, on tags,and on labels attached to or shipped with the unit and other safetyprecautions that may apply.Follow all safety codes. In the United States, follow all safetycodes including the National Fuel Gas Code NFPA No. 54-1992/ANSI Z223.1-1992 (NFGC). In Canada, refer to the currentedition of the National Standard of Canada CAN/CGA-B149.1-and .2-M91 Natural Gas and Propane Gas Installation Codes(NSCNGPIC). Wear safety glasses and work gloves. Have fireextinguisher available during start-up and adjustment proceduresand service calls.Recognize safety information. This is the safety-alert symbol .When you see this symbol on the furnace and in instructions ormanuals, be alert to the potential for personal injury.Understand the signal word DANGER, WARNING, or CAU-TION. These words are used with the safety-alert symbol. DAN-GER identifies the most serious hazards which will result in severepersonal injury or death. WARNING signifies a hazard that couldresult in personal injury or death. CAUTION is used to identifyunsafe practices which would result in minor personal injury orproduct and property damage. NOTE is used to highlight sugges-tions that will result in enhanced installation, reliability, oroperation.Fig. 2—Model 58GFA UpflowA92057Fig. 1—Model 58DFA-DownflowA92058®ama CANADIAN GAS ASSOCIATIONA P P R O V E DRManufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.Book 1 4Tab 6a 8a PC 101 Catalog No. 565-801 Printed in U.S.A. Form 58D,G-3SM Pg 1 11-93 Replaces: 58D,G-2SM→