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From inside (document excerpt):
58MXA Deluxe 4Way Multipoise Fixed-Capacity Direct Vent Condensing Gas Furnace Visit www.carrier.com Installation, Start-Up, and Operating Instructions Pressure Switch Tubing .7 Upper Collector Box and Inducer Housing (Unused) Drain Connections .7 Condensate Trap Freeze Protection 7 Downflow Applications 7 Condensate Trap Location 7 Condensate Trap Tubing .7 Condensate Trap Field Drain Attachment 8 Pressure Switch Tubing .8 Condensate Trap Freeze Protection 9 Horizontal Left (Supply-Air Discharge) Applications 9 Condensate Trap Location 9 Condensate Trap Tubing .9 Condensate Trap Field Drain Attachments 10 Pressure Switch Tubing .10 Condensate Trap Freeze Protection 10 Construct a Working Platform 10 Horizontal Right (Supply-Air Discharge) Applications 10 Condensate Trap Location 10 Condensate Trap Tubing .10 Condensate Trap Field Drain Attachment 11 Pressure Switch Tubing .11 Condensate Trap Freeze Protection 11 Construct a Working Platform 11 LOCATION 12 General 12 Furnace Location Relative to Cooling Equipment .13 Hazardous Locations .13 INSTALLATION .13 Leveling Legs (If Desired) .13 Installation in Upflow and Downflow Applications 14 Installation in Horizontal Applications 14 Air Ducts .15 General Requirements .15 Ductwork Acoustical Treatment .16 Supply Air Connections 16 Return Air Connections .17 Filter Arrangement 17 Bottom Closure Panel .17 Gas Piping .17 Electrical Connections 19 115v Wiring .19 24v Wiring .20 Accessories 20 Direct Venting .20 Removal of Existing Furnaces from Common Vent Systems 20 Combustion-Air and Vent Piping .22 Concentric Vent and Combustion-Air Termination Kit Installation 26 A93040 EFFICIENCY RATING CERTIFIED Ca rr ier Cor pora ti on CERTIFIED REGISTERED QUALITY SYSTEM NOTE: Read the entire instruction manual before starting the installation.
This symbol indicates a change since the last issue. TABLE OF CONTENTS SAFETY CONSIDERATIONS .2 INTRODUCTION 2 CODES AND STANDARDS 4 ELECTROSTATIC DISCHARGE (ESD) PRECAUTIONS 5 APPLICATIONS 6 General 6 Upflow Applications .6 Condensate Trap Location (Factory-Shipped Orientation) 6 Condensate Trap Tubing (Factory-Shipped Orientation) 6 Condensate Trap Location (Alternate Upflow Orientation).7 Condensate Trap Tubing (Alternate Upflow Orientation) 7 Condensate Trap Field Drain Attachment 7 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. 53580027 Printed in U.S.A. Form 58MXA-12SI Pg 1 9-01 Replaces: 58MXA-11SI Tab 6a 8a IR REG I ST ® M I Multiventing and Vent Terminations 30 Condensate Drain 31 General .31 Application .31 Condensation Drain Protection .31 Sequence of Operation 33 Heating Mode 33 Cooling Mode 34 Continuous Blower Mode .34 Heat Pump Mode .34 Component Test .34 START-UP PROCEDURES 35 General 35 Prime Condensate Trap With Water 35 Purge Gas Lines 35 Adjustments .35 Set Gas Input Rate 35 Set Temperature Rise 43 Adjust Blower Off Delay (Heat Mode) 43 Set Thermostat Heat Anticipator 43 Check Safety Controls 43 Check Primary Limit Control .43 Check Pressure Switch 43 Checklist 44 AIRFLOW Recognize safety information. This is the safety-alert symbol. When you see this symbol on the unit and in instructions or manuals, be alert to the potential for personal injury. Understand these signal words DANGER, WARNING, CAUTION, and NOTE.