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From inside (document excerpt):
58MCA 4-Way Multipoise Fixed-Capacity Direct-Vent Condensing Gas Furnace Visit www.carrier.com Installation, Start-Up, and Operating Instructions For Sizes 040-140, Series 180 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 2 SAFETY CONSIDERATIONS .3 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 10 Horizontal Right (Supply-Air Discharge) Applications 11 LOCATION 13 General 13 Furnace Location Relative to Cooling Equipment 14 Hazardous Locations .14 INSTALLATION .14 Leveling Legs (If Desired) .14 Installation In Upflow and Downflow Applications .15 Installation In Horizontal Applications 15 Air Ducts .15 General .15 Ductwork Acoustical Treatment .17 Supply Air Connections 18 Return Air Connections .18 Filter Arrangement 18 Bottom Closure Panel 18 Gas Piping 19 Electrical Connections 20 115-v Wiring 21 24-v Wiring 21 Accessories 21 Direct Venting .22 Removal of Existing Furnaces from Common Vent Systems 22 Combustion-Air and Vent Piping .24 Concentric Vent and Combustion-Air Termination Kit Installation 31 Multiventing and Vent Termination .32 REGISTERED As an ENERGY STAR® Partner, Carrier Corporation has determined that this product meets the ENERGY STAR® guidelines for energy efficiency.
Heating, Ventilating and Air Conditioning User Manual Free Download. HAVC Operator’s Manual. Gas Furnace and AC Free Instruction Manual Download PDF.
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 36 General .36 Prime Condensate Trap With Water .36 Purge Gas Lines 37 Sequence of Operation 37 Heating Mode .37 Cooling Mode .37 Continuous Blower Mode 37 Heat Pump Mode .38 Component Test .38 Adjustments .39 Set Gas Input Rate .39 Set Temperature Rise .46 Adjust Blower Off Delay (Heat Mode) 46 Set Thermostat Heat Anticipator .46 Check Safety Controls .46 Check Primary Limit Control 47 Check Pressure Switch .47 CHECKLIST 47 Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations. Book.