Carrier 58MSA 11SI Gas Furnace Owners Manual

58MSA 4-Way Multipoise Fixed-Capacity Condensing Gas Furnace Visit www.carrier.com Installation, Start-Up, and Operating Instructions For Sizes 040–120 Series 150 ama ISO 9001:2000 CERTIFIED ® A93040 NOTE: Read the entire instruction manual before starting the installation. This symbol indicates a change since the last issue. Index Page DIMENSIONAL DRAWING 3 SAFETY CONSIDERATIONS .2 Clearances to Combustibles 4 CODES AND STANDARDS 5 ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS 5 INTRODUCTION 5 APPLICATIONS 6 General 6 Upflow Applications .6 Downflow Applications 8 Horizontal Left (Supply-Air Discharge) Applications 9 Horizontal Right (Supply-Air Discharge) Applications 11 LOCATION 13 General 13 Furnace Location Relative to Cooling Equipment 14 Hazardous Locations .14 AIR FOR COMBUSTION AND VENTILATION 14 INSTALLATION .18 Leveling Legs (If Desired) .18 Installation in Upflow and Downflow Applications 18 Installation In Horizontal Applications 18 Air Ducts .18 General .18 Ductwork Acoustical Treatment .20 Supply Air Connections 20 Return Air Connections .20 Filter Arrangement 20 Bottom Closure Panel .21 Gas Piping .22 Electrical Connections 23 115-v Wiring 23 24-v Wiring 24 Accessories 24 Venting 27 Removal of Existing Furnaces from Common Vent Systems 27 Combustion-Air and Vent Piping .28 Vent Termination .35 Multiventing .35 As an ENERGY STAR® Partner, Carrier Corporation has determined that this product meets the ENERGY STAR® guidelines for energy efficiency.

REGISTERED AIRFLOW UPFLOW HORIZONTAL LEFT DOWNFLOW AIRFLOW HORIZONTAL RIGHT AIRFLOW AIRFLOW Fig. 1–Multipoise Orientations A93041 Condensate Drain 35 General .35 Application .35 Condensate Drain Protection .36 START-UP, ADJUSTMENTS AND SAFETY CHECK .37 General 37 Prime Condensate Trap With Water 37 Purge Gas Lines 38 Sequence of Operation 38 Heating Mode 38 Cooling Mode 38 Continuous Blower Mode .38 Heat Pump Mode .39 Component Test .39 Adjustments .39 Set Gas Input Rate 39 Set Temperature Rise 44 Blower Off Delay (Heat Mode) 44 Set Thermostat Heat Anticipator 45 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. 535-80154 Printed in U.S.A. Form 58MSA-11SI Pg 1 2-05 Replaces: 58MSA-10SI Tab 6a 8a Check Safety Controls 45 Check Primary Limit Control .45 Check Pressure Switch 45 CHECKLIST .45 SAFETY CONSIDERATIONS FURNACE RELIABILITY HAZARD Improper installation or misapplication of furnace may require excessive servicing or cause premature component failure. Application of this furnace should be indoors with special attention given to vent sizing and material, gas input rate, air temperature rise, unit leveling, and unit sizing. 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 may result in minor personal injury or product and property damage.