Carrier 170 Series Service And Maintenance Instructions

Also see for 170 Series: Installation, start-up, and operating instructions

Carrier 170 Series Service And Maintenance Instructions Manual pdf 1 page image

58PAV, 58RAVInduced-Combustion FurnacesService and Maintenance InstructionsFor Sizes 045-155, Series 170 and 180NOTE: Read the entire instruction manual before performing anyservice or maintenance.This symbol → indicates a change since the last issue.These procedures are for size 44,000 through 154,000 Btuh inputunits.Index PageSAFETY CONSIDERATIONS..................................................1-2ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONSPROCEDURE ...........................................................................2CARE AND MAINTENANCE................................................2-11Air Filter Arrangement..........................................................2-3Blower Motor and Wheel......................................................3-5Cleaning Heat Exchanger......................................................5-6Electrical Controls and Wiring .............................................6-7Troubleshooting ...................................................................7-13Unit Wiring Diagram................................................................9Service Label ..........................................................................10Troubleshooting Guide ......................................................10-13SAFETY 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 (NFGC) NFPA54-1999/ANSI Z223.1-1999 NFPA 90B. In Canada, refer to theCAN/CGA-B149.1- and .2-M95 National Standard of Canada,Natural Gas and Propane Installation Codes (NSCNGPIC). Wearsafety glasses and work gloves. Have fire extinguisher availableduring start-up and adjustment procedures and 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 words DANGER, WARNING, CAUTION,and NOTE. These words are used with the safety-alert symbol.DANGER identifies the most serious hazards which will result insevere personal injury or death. WARNING signifies a hazardwhich could result in personal injury or death. CAUTION is usedto identify unsafe practices which would result in minor personalinjury or product and property damage. NOTE is used to highlightsuggestions which will result in enhanced installation, reliability,or operation.Fig. 3—Model 58PAVUpflowA94085Fig. 2—Model 58RAVDownflowA94086Fig. 1—Model 58RAV HorizontalA94087amaCERTIFIEDREGISTEREDQUALITY SYSTEMVisit www.carrier.comManufacturer 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. 535-773 Printed in U.S.A. Form 58P,R-15SM Pg 1 10-00 Replaces: 58P,R-14SM