Carrier 58UHV 2SI Gas Furnace Owners Manual

58UHV, 58UXV Upflow/Horizontal Variable-Speed, 2-Stage Induced-Combustion Gas Furnaces Installation, Start-Up, and Operating Instructions Sizes 060-120, Series 100 NOTE: Read the entire instruction manual before starting the installation. This symbol indicates a change since the last issue. Index Page SAFETY CONSIDERATIONS .1 Clearances to Combustibles 2 ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS PROCEDURE .2 INTRODUCTION 2 Dimensional Drawing .3 LOCATION 3-4 General 3 Location Relative to Cooling Equipment 4 Hazardous Locations .4 AIR FOR COMBUSTION AND VENTILATION .4-5 Unconfined Space .4 Confined Space 4-5 INSTALLATION 5-7 Upflow Installation .5 Horizontal Attic Installation .7 Horizontal Crawlspace Installation 7 FILTER ARRANGEMENT .7 LEVELING LEGS (IF REQUIRED) .7-8 GAS PIPING .8-9 ELECTRICAL CONNECTIONS 9-10 115-v Wiring 9-10 24-v Wiring 10 Accessories 10 VENTING .10 START-UP, ADJUSTMENT, AND SAFETY CHECK 11-21 General 11 Sequence of Operation 11-15 Adaptive Heating Mode 12 Non-Adaptive Heating Mode 12-13 Cooling Mode .13 Continuous Blower Mode .13 Heat Pump Mode .13-14 Defrost Mode 14 Set-Up Procedures .14-15 Start-Up Procedures 15 Adjustments .15-20 Set Gas Input Rate 15-17 Set Temperature Rise 17-19 Set Thermostat Heat Anticipator 19 Check Safety Controls .19-21 Checklist 21 SAFETY CONSIDERATIONS Installation and servicing of heating equipment can be hazardous due to gas and electrical components.

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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 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. 535-803 Printed in U.S.A. Form 58UHV-2SI Pg 1 3-96 Replaces: 58UHV-1SI Tab 6a 8a CANADIAN GAS ASSOCIATION ® A PP R O VED R ama be performed by trained service personnel. When working on heating equipment, observe precautions in the literature, on tags, and on labels attached to or shipped with the unit and other safety precautions that may apply. Follow all safety codes. In the United States, refer to the National Fuel Gas Code (NFGC) NFPA No. 54-1992/ANSI Z223.1-1992. In Canada, refer to the current edition of the National Standard of Canada CAN/CGA- B149.1- and .2-M95 Natural Gas and Propane 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. Understand the 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 a hazard 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.

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