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58YAV Induced-Combustion Furnaces Visit www.carrier.com Service and Maintenance Instructions For Sizes 070-155, Series 110 and 120 NOTE: Read the entire instruction manual before starting the installation. TABLE OF CONTENTS SAFETY CONSIDERATIONS .1 INTRODUCTION 1 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 .4 Electrical Controls and Wiring .5 Wiring Diagrams 9 Troubleshooting 9 SAFETY CONSIDERATIONS EFFICIENCY RATING CERTIFIED A94085 Cor pora ier ti rr Fig.
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1–Model 58YAV Upflow Furnace CERTIFIED on Ca SO ST 900 E R E D F8 3 1 #A28 REGISTERED QUALITY SYSTEM 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 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). 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. IR ® Understand these signal words; DANGER, WARNING, and CAUTION. These words are used with the safety-alert symbol. DANGER identifies the most serious hazards which will result in severe personal injury or death. WARNING signifies hazards which could result in personal injury or death. CAUTION is used to identify unsafe practices which would result in minor personal injury or product and property damage. NOTE is used to highlight suggestions which will result in enhanced installation, reliability, or operation 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. 535-771 Printed in U.S.A. Form 58YAV3SM Pg 1 10-00 Replaces: 58YAV2SM Tab 6a 8a REG I M I The ability to properly perform maintenance on this equipment requires certain expertise, mechanical skills, tools, and equipment.