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From inside (document excerpt):
58MVP 4-Way Multipoise Variable-Capacity Condensing Gas Furnace Installation, Start-Up, and Operating Instructions For Sizes 040–120 Series 121 ® ama CANADIAN GAS ASSOCIATION A PP R O VED R A93040 NOTE: Read the entire instruction manual before starting the installation. This symbol indicates a change since the last issue. Index Page As an ENERGY STAR Partner, Carrier Corporation has determined that this product meets the ENERGY STAR guidelines for energy efficiency.
AIRFLOW DIMENSIONAL DRAWING 2 SAFETY CONSIDERATIONS .3 Clearances to Combustibles 3 ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS 3-4 INTRODUCTION 4 APPLICATIONS 4-11 General 4 Upflow Applications 4-6 Downflow Applications .7-8 Horizontal Left (Supply-Air Discharge) Applications .8-9 Horizontal Right (Supply-Air Discharge) Applications .9-11 LOCATION 11-13 General .11-12 Low-Fire Only Installation .12 Furnace Location Relative to Cooling Equipment 12 Hazardous Locations .13 INSTALLATION 13-17 Leveling Legs (If Desired) .13 Installation On a Concrete Slab .13 Installation On a Combustible Floor (Downflow Applications) 13-14 Installation In Horizontal Applications 14 Filter Arrangement 14 Bottom Closure Panel .15 Gas Piping 15-17 ELECTRICAL CONNECTIONS .17-20 115-v Wiring 17-19 24-v Wiring .19 Accessories 19-20 DIRECT VENTING .20-28 Removal of Existing Furnaces from Common Vent Systems 20-21 Combustion-Air and Vent Piping .21-25 Concentric Vent and Combustion-Air Termination Kit Installation 25-28 Multiventing and Vent Terminations .28 CONDENSATE DRAIN 28-30 General 28 Application 28 Condensate Drain Protection .28-30 UPFLOW HORIZONTAL LEFT DOWNFLOW AIRFLOW HORIZONTAL RIGHT AIRFLOW AIRFLOW Fig. 1–Multipoise Orientations A93041 SEQUENCE OF OPERATION 30-33 Self-Test Mode 30 Heating Mode 30-31 Heating Mode–Two Stage 31 Emergency Heat Mode .31 Cooling Mode .31 Heat Pump Mode .31-32 Continuous Fan Mode 32 Component Test 32 Bypass Humidifier Mode 32 Dehumidification Mode 33 Zone Mode 33 START-UP PROCEDURES 33-38 General 33 Select Setup Switch Positions .33-34 Prime Condensate Trap With Water 34 Purge Gas Lines 34 Adjustments .34-38 Set Gas Input Rate 34-37 Set Temperature Rise 37-38 Set Thermostat Heat Anticipator 38 CHECK SAFETY CONTROLS 38 Check Primary Limit Control .38 Check Pressure Switch .38 CHECKLIST .38-39 Manufacturer reserves the right to discontinue, or change at any time, specifications or designs without notice and without incurring obligations.