From inside (document excerpt):
Deluxe 4Way Multipoise 2-Speed, 2-Stage, Direct Vent Condensing Gas Furnace Visit www.carrier.com Installation, Start-up, and Operating Instructions Sizes 060-120, Series 100 NOTE: Read the entire instruction manual before starting the installation. Electrical Connections 18 Direct Venting .22 Condensate Drain 31 Start-Up Adjustment and Safety Check 32 General 32 Sequence of Operation 33 Start-Up Procedures 36 Adjustments .37 Check Safety Controls 43 Checklist 43 EFFICIENCY RATING CERTIFIED A93040 Ca rr ier Cor pora ti on CERTIFIED Introduction 3 Codes and Standards 4 Safety .4 General Installation .4 Combustion and Ventilation Air 4 Duct Systems 4 Acoustical Lining and Fibrous Glass Duct 4 Gas Piping and Gas Pipe Pressure Testing 4 Electrical Connections 4 Electrostatic Discharge (ESD) Precautions Procedure 5 Applications 5 General 5 Upflow Applications .5 Downflow Applications 7 Horizontal Left (Supply-Air Discharge) Applications 9 Horizontal Right (Supply-Air Discharge) Applications 10 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 13 Installation in Horizontal Applications 15 Air Ducts .15 Filter Arrangement 16 Bottom Closure Panel .17 Gas Piping .17 SO ST 900 E R E D F8 3 1 #A28 REGISTERED QUALITY SYSTEM AIRFLOW UPFLOW IR ® M HORIZONTAL RIGHT TABLE OF CONTENTS Safety Considerations .1 REG I HORIZONTAL LEFT I DOWNFLOW AIRFLOW AIRFLOW AIRFLOW A93041 Fig.
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1–Multipoise Orientations SAFETY CONSIDERATIONS Installing and servicing heating equipment can be hazardous due to gas and electrical components. Only trained and qualified personnel should install, repair, or service heating equipment. 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. 53580000 Printed in U.S.A. Form 58MTA-1SI Pg 1 3-01 Replace