Carrier 58D 58U 8SM Gas Furnace Owners Manual

58DXT, 58UXT WeatherMakerTM 8000 Two-Stage Induced-Combustion Gas Furnaces Visit www.carrier.com Service and Maintenance Instructions For Sizes 060-120, Series 120 or 130 NOTE: Read the entire instruction manual before starting the installation. This symbol indicates a change since the last issue. TABLE OF CONTENTS SAFETY CONSIDERATIONS .1 INTRODUCTION 2 ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS PROCEDURE 2 CARE AND MAINTENANCE .2 Cleaning and/or Replacing Air Filter .2 Blower Motor and Wheel .3 Cleaning Heat Exchanger .5 Electrical Controls and Wiring .6 WIRING DIAGRAMS .7 TROUBLESHOOTING .7 SAFETY CONSIDERATIONS EFFICIENCY RATING CERTIFIED A94086 Fig.

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2–Model 58DXT Downflow rr ier Cor pora ti on Ca CERTIFIED SO 900 E R E D F8 3 1 #A28 REGISTERED QUALITY SYSTEM IR Fig. 1–Model 58UXT Horizontal Installing and servicing heating equipment can be hazardous due to gas and electrical components. Only trained and qualified personnel should install, repair, or service heating equipment. Untrained personnel can perform basic maintenance functions such as cleaning and replacing air filters. All other operations must be performed by trained service personnel. When working on Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book 1 4 PC 101 Catalog No. 535-740 Printed in U.S.A. Form 58D,U-8SM Pg 1 10-00 Replaces: 58D,U-7SM Tab 6a 2a REG I ST ® M I A95137 A94085 Fig. 3–Model 58UXT Upflow heating equipment, observe precautions in the literature, tags, and labels attached to or shipped with the unit and other safety precautions that may apply. Follow all safety codes. In the United States, follow all safety codes including the National Fuel Gas Code (NFGC) NFPA No. 54-1999/ANSI Z223.1-1999. In Canada, refer to the current edition of the National Standard of Canada CAN/CGA-B149.1and .2-M95 Natural Gas and Propane Gas Installation Codes (NSCNGPIC) and Amendment No. 1. Wear safety glasses and work gloves. Have fire extinguisher available during 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 or manuals, be alert to the potential for personal injury. Understand the signal words DANGER, WARNING, CAUTION, and NOTE.

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