Carrier 58ST 13SI Gas Furnace Owners Manual

58STA/58STX Induced-Combustion 4-Way Multipoise Furnace Installation, Start-up, Operating, and Service and Maintenance Instructions -Series 120 The 58STA/STX 4-way Multipoise Gas Furnaces feature Carrier’s QuieTechTM noise reduction system for incredibly quiet induced draft operation. Applications are easy with 4-way multipoise design, through-the-furnace downflow venting, 13 different venting options, and a door designed for easy service access.

An inner blower door is provided for tighter sealing in sensitive applications. The 58STA/STX furnaces are approved for use with natural or propane gas, and the 58STX is also approved for use in Low NOx Air Quality Management Districts. STANDARD FEATURES – QuieTech noise reduction system – Microprocessor based control center Adjustable heating air temperature rise Adjustable cooling airflow LED diagnostics and self test feature – 4-way Multipoise furnace, 13 vent applications – Inner blower door – Hot surface ignition (HSI) – Draft safeguard switch to ensure proper furnace venting – All models are Chimney-Friendly when used with accessory vent kit – Heat pump compatible – Residential installations eligible for consumer financing through the Retail Credit Program – Twinning in Upflow, Downflow and Horizontal LIMITED WARRANTY – 20-year warranty on “Super STM ” heat exchanger – 5-year parts warranty on all other components Catalog No: 535-80149 Form No. 58ST-13SI 5-05 Single-Stage Induced-Combustion 4-Way Multipoise Furnace Installation, Start-up, Operating, and Service and Maintenance Instructions Series 120/C NOTE: Read the entire instruction manual before starting the installation. This symbol indicates a change since the last issue. Portions of the text and tables are reprinted from NFPA 54/ANSI Z223.1-2002, with permission of National Fire Protection Association, Quincy, MA 02269 and American Gas Association, Washington DC 20001. This reprinted material is not the complete and official position of the NFPA or ANSI on the referenced subject, which is represented only by the standard in its entirety. TABLE OF CONTENTS SAFETY CONSIDERATIONS .2 INTRODUCTION 4 CODES AND STANDARDS 4 Safety .5 General Installation .5 Combustion and Ventilation Air 5 Duct Systems 5 Acoustical Lining and Fibrous Glass Duct 5 Gas Piping and Gas Pipe Pressure Testing 5 Electrical Connections 5 ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS PROCEDURE 5 LOCATION 5 General 5 Location Relative to Cooling Equipment 7 AIR FOR COMBUSTION AND VENTILATION 7 INSTALLATION .10 Upflow Installation .10 Bottom Return Air Inlet 10 Side Return Air Inlet .10 Leveling Legs (If Desired) 10 Downflow Installation 10 Bottom Return Air Inlet 11 Horizontal Installation 11 Suspended Furnace Support 11 Platform Furnace Support .11 Roll-Out Protection 11 Bottom Return Air Inlet 11 Side Return Air Inlet .11 Filter Arrangement 11 Air Ducts .11 General Requirements .11 Ductwork Acoustical Treatment .12 Supply Air Connections 12 Return Air Connections .14 Gas Piping .15 Electrical Connections 19 115-V Wiring .19 J-Box Relocation .20 Electrical Connection to J-Box .21 Power Cord Installation in Furnace J-Box .