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From inside (document excerpt):
58MSA 4-Way Multipoise Fixed-Capacity Condensing Gas Furnace Visit www.carrier.com Installation, Start-Up, and Operating Instructions For Sizes 040–120 Series 110 and 120 NOTE: Read the entire instruction manual before starting the installation. This symbol indicates a change since last issue. ama CERTIFIED A93040 Index Page DIMENSIONAL DRAWING 2 SAFETY CONSIDERATIONS .3 Clearances to Combustibles 3 ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS 3-4 INTRODUCTION 4 APPLICATIONS 4-12 General 4 Upflow Applications 4-7 Downflow Applications .7-8 Horizontal Left (Supply-Air Discharge) Applications .8-10 Horizontal Right (Supply-Air Discharge) Applications .10-12 LOCATION 12-13 General 12 Furnace Location Relative to Cooling Equipment 12 Hazardous Locations .13 AIR FOR COMBUSTION AND VENTILATION .13-15 General 13 Unconfined Space .13 Confined Space 13-14 INSTALLATION 15-18 Leveling Legs (If Desired) .15 Installation On a Concrete Slab .15 Installation On a Combustible Floor (Downflow Applications) 16 Installation In Horizontal Applications 16 Filter Arrangement 16 Bottom Closure Panel .16 Gas Piping 17-18 ELECTRICAL CONNECTIONS 19 115-v Wiring .19 24-v Wiring .19 Accessories 19 VENTING .19-30 Removal of Existing Furnaces from Common Vent Systems 19-20 Combustion-Air and Vent Piping .20-29 Vent Termination 29 Multiventing 30 CONDENSATE DRAIN 30-31 General 30 Application .30 Condensate Drain Protection 30-31 As an ENERGY STAR® Partner, Carrier Corporation has determined that this product meets the ENERGY STAR® guidelines for energy efficiency.
REGISTERED QUALITY SYSTEM AIRFLOW UPFLOW HORIZONTAL LEFT DOWNFLOW AIRFLOW HORIZONTAL RIGHT AIRFLOW AIRFLOW Fig. 1–Multipoise Orientations A93041 SEQUENCE OF OPERATION 31-32 Heating Mode 31 Cooling Mode .31 Continuous Blower Mode .31 Heat Pump Mode 31 Component Test 32 START-UP PROCEDURES 32-38 General 32 Prime Condensate Trap With Water 32 Purge Gas Lines 33 Adjustments .33-38 Set Gas Input Rate 33-37 Set Temperature Rise 37-38 Blower Off Delay (Heat Mode) .38 Set Thermostat Heat Anticipator 38 CHECK SAFETY CONTROLS 38 Check Primary Limit Control .38 Check Pressure Switch .38 CHECKLIST 39 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. 535-764 Printed in U.S.A. Form 58MSA-4SI Pg 1 10-00 Replaces: 58MSA-3SI Tab 6a 8a 26 15/16 ” 26 1/4 ” 24 1/2 ” 22 5/16 ” 2-IN. COMBUSTIONAIR CONN 13 28 1/2 ” 26 15/16 ” AIRFLOW A /16 ” D OUTLET CONDENSATE DRAIN TRAP LOCATION (DOWNFLOW & HORIZONTAL RIGHT)