Carrier 58ST 12SI Gas Furnace Owners Manual

58STA/58STX Induced-Combustion 4-Way Multipoise Furnace Installation, Start-up, Operating, and Service and Maintenance Instructions -Series 110 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: 535-80127 Form No. 58ST-12SI 1-05 Important Information Addendum to the Installation, Start-up, and Operating and Maintenance Instructions Series 110 or Series B 33 1/3 ” Mid-Efficiency Furnaces This furnace is equipped with the White-Rodgers Series G valve. This instruction sheet is to familiarize you with Series G gas valve and to be used to check and adjust gas pressure for proper installation and start-up. This sheet will be used to complete the “Adjustments ” section of the “Start-up Procedures ” section of the Installation, Start-up, Operating and Maintenance Instructions. See Fig. 1 for single-stage gas valves. This version of the G valve has standard 1/8 ” NPT inlet and outlet pressure taps that are removed with a 3/16 ” hex head wrench for connection to a manometers and Low Gas Pressure Switch (when used). For conversions to propane gas, refer to the instructions in the Natural to Propane Conversion Kit, KGANP3001ALL. Fig. 1-Single-Stage Gas Valve IMPORTANT: This sheet MUST be inserted into the Installation, Start-up, Operating and Maintenance Instructions and left with the furnace. 58SDA-1SI/II 310AJ-45-1/IM-P8JM-01 Single-Stage Induced-Combustion 4-Way Multipoise Furnace Installation, Start-up, Operating, and Service and Maintenance Instructions Series 110/B NOTE