Carrier Comfort 48ES-A Installation Instructions Manual

Also see for 48ES---A: Owner's information manual Owner's information manual Owner's information manual Installation instructions

148ES---AComfort t 13 SEER Single ---Packaged Air Conditionerand Gas Furnace System with Puron (R ---410A)RefrigerantSingle and Three Phase2---5 Nominal Tons (Sizes 24---60)Installation InstructionsIMPORTANT: Effective January 1, 2015, all split system andpackaged air conditioners must be installed pursuant to applicableregional efficiency standards issued by the Department of Energy.NOTE: Read the entire instruction manual before starting theinstallation.NOTE: Installer: Make sure the Owner’s Manual and ServiceInstructions are left with the unit after installation.TABLE OF CONTENTS PAGESAFETY CONSIDERATIONS 1. . . . . . . . . . . . . . . . . . . . . . . . .INTRODUCTION 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .RECEIVING AND INSTALLATION 2--12. . . . . . . . . . . . . . . . .Check Equipment 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Identify Unit 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Inspect Shipment 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Provide Unit Support 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Roof Curb 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Slab Mount 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Field Fabricate Ductwork 6. . . . . . . . . . . . . . . . . . . . . . . . . . . .Provide Clearances 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Rig and Place Unit 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Inspection 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Rigging/Lifting 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Connect Condensate Drain 9. . . . . . . . . . . . . . . . . . . . . . . . . . .Install Flue Hood 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Install Gas Piping 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Install Duct Connections 10. . . . . . . . . . . . . . . . . . . . . . . . . . . .Configuring Units for Downflow (Vertical)Discharge 10. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Install Electrical Connections 11. . . . . . . . . . . . . . . . . . . . . . . .High--Voltage Connections 11. . . . . . . . . . . . . . . . . . . . . . . .Special Procedures for 208--V Operation 12. . . . . . . . . . . . . .Control Voltage Connections 12. . . . . . . . . . . . . . . . . . . . . . .Standard Connection 12. . . . . . . . . . . . . . . . . . . . . . . . . . . . .Heat Anticipator Setting 12. . . . . . . . . . . . . . . . . . . . . . . . . .Transformer Protection 12. . . . . . . . . . . . . . . . . . . . . . . . . . .PRE--START--UP 13. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .START--UP 13--24. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Check for Refrigerant Leaks 13. . . . . . . . . . . . . . . . . . . . . . . . .Start--Up Heating & Make Adjustments 13. . . . . . . . . . . . . . . .Check Heating Control 14. . . . . . . . . . . . . . . . . . . . . . . . . . .Check Gas Input 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Adjust Gas Input 14. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Check Burner Flame 15. . . . . . . . . . . . . . . . . . . . . . . . . . . . .Normal Operation 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Airflow and Temperature Rise 22. . . . . . . . . . . . . . . . . . . . . .Heating Sequence of Operation 22. . . . . . . . . . . . . . . . . . . . .Limit Switches 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Rollout Switch 22. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Start--Up Cooling & Make Adjustments 22. . . . . . . . . . . . . . . .Checking Cooling Control Operation 22. . . . . . . . . . . . . . . .Checking & Adjusting Refrigerant Charge 22. . . . . . . . . . . .Indoor Airflow and Airflow Adjustments 23. . . . . . . . . . . . .Continuous Fan Operation 24. . . . . . . . . . . . . . . . . . . . . . . .A09034Fig. 1 -- Unit 48ES--A(Low NOx Model Available)Cooling Sequence of Operation 24. . . . . . . . . . . . . . . . . . . . .MAINTENANCE 48--51. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Air Filter 48. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Indoor Blower and Motor 48. . . . . . . . . . . . . . . . . . . . . . . . .Induced Draft (Combustion Air) Blower 49. . . . . . . . . . . . . .Flue Gas Passageways 49. . . . . . . . . . . . . . . . . . . . . . . . . . . .Limit Switch 49. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Burner Ignition 49. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Main Burners 49. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Removal of Gas Train 50. . . . . . . . . . . . . . . . . . . . . . . . . . . .Outdoor Coil, Indoor Coil, & Condensate Drain Pan 50. . . .Outdoor Fan 50. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Electrical Controls and Wiring 51. . . . . . . . . . . . . . . . . . . . .Refrigerant Circuit 51. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Gas Input 51. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Evaporator Airflow 51. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Puron Items 51. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .TROUBLESHOOTING 52. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .START--UP CHECKLIST 52. . . . . . . . . . . . . . . . . . . . . . . . . . . .SAFETY CONSIDERATIONSImproper installation, adjustment, alteration, service maintenance,or use can cause explosion, fire, electrical shock, or otherconditions which may cause death, personal injury, or propertydamage. Consult a qualified installer, service agency, or yourdistributor or branch for information or assistance. The qualifiedinstaller or agency must use factory--authorized kits or accessorieswhen modifying this product. Refer to the individual instructionspackaged with the kits or accessories when installing.Follow all safety codes. Wear safety glasses, protective clothing,and work gloves. Have a fire extinguisher available. Read theseinstructions thoroughly and follow all warnings or cautionsincluded in literature and attached to the unit. Consult localbuilding codes, the current editions of the National Fuel Gas Code(NFGC) NFPA 54/ANSI Z223.1, and the National Electrical Code(NEC) NFPA 70.