Carrier PERFORMANCE 50VT-A Installation Instructions Manual

Also see for COMFORT 50VT-A: Owner's information manual Owner's information manual Installation instructions

Contents

Carrier PERFORMANCE 50VT-A Installation Instructions Manual Manual pdf 1 page image

150VT ---APerformancet 14 SEER Single ---Packaged Heat PumpSystem with Puron® (R ---410A) RefrigerantSingle and Three Phase2---5 Nominal Tons (Sizes 24---60)Installation InstructionsNOTE: 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 CONTENTSPAGESAFETY CONSIDERATIONS 1. . . . . . . . . . . . . . . . . . . . . . . . .INTRODUCTION 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .RECEIVING AND INSTALLATION 2--9. . . . . . . . . . . . . . . . . .Check Equipment 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Identify Unit 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Inspect Shipment 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Provide Unit Support 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Roof Curb 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Slab Mount 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Provide Clearances 2. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Rig and Place Unit 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Inspection 6. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Rigging/Lifting of Unit 6. . . . . . . . . . . . . . . . . . . . . . . . . . . .Select and Install Ductwork 7. . . . . . . . . . . . . . . . . . . . . . . . . . .Converting Horizontal Discharge Units to Downflow(Vertical) Discharge Units 7. . . . . . . . . . . . . . . . . . . . . . . . . .Provide for Condensate Disposal 8. . . . . . . . . . . . . . . . . . . . . .Install Electrical Connections 8. . . . . . . . . . . . . . . . . . . . . . . . .High--Voltage Connections 8. . . . . . . . . . . . . . . . . . . . . . . . .Special Procedures for 208--V Operation 9. . . . . . . . . . . . . . .Control Voltage Connections 9. . . . . . . . . . . . . . . . . . . . . . . .Standard Connections 9. . . . . . . . . . . . . . . . . . . . . . . . . . . . .Transformer Protection 9. . . . . . . . . . . . . . . . . . . . . . . . . . . .Accessory Electric heaters Installation 9. . . . . . . . . . . . . . . . .Sequence of Operation 9. . . . . . . . . . . . . . . . . . . . . . . . . . . .PRE--START--UP 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .START--UP 17--20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Checking Cooling & Heating Control Operation 17. . . . . . . .Check for Refrigerant Leaks 17. . . . . . . . . . . . . . . . . . . . . . . . .Start--Up Adjustments 17. . . . . . . . . . . . . . . . . . . . . . . . . . . . .Checking & Adjusting Refrigerant Charge 18. . . . . . . . . . . .Indoor Airflow & Airflow Adjustments 18. . . . . . . . . . . . . .Continuous Fan Operation 19. . . . . . . . . . . . . . . . . . . . . . . .Defrost Control 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Quiet Shift 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Defrost 20. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .MAINTENANCE 23--28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Air Filter 23. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Indoor Blower and Motor 23. . . . . . . . . . . . . . . . . . . . . . . . . . .Outdoor Coil, Indoor Coil, & Condensate Drain Pan 26. . . . . .Outdoor Fan 26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Electrical Controls and Wiring 26. . . . . . . . . . . . . . . . . . . . . . .Refrigerant Circuit 26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Indoor Airflow 26. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Metering Devices-- TXV & Piston 26. . . . . . . . . . . . . . . . . . . .Pressure Switches 27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Loss of Charge Switch 27. . . . . . . . . . . . . . . . . . . . . . . . . . . . .High Pressure Switch 27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .A09033Fig. 1 -- Unit 50VT--ACopeland Scroll compressor (Puron Refrigerant) 27. . . . . . . . .Refrigerant System 27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Refrigerant 27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Compressor Oil 27. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Servicing Systems on Roofs with Synthetic Materials 27. . . .Liquid Line Filter Drier 27. . . . . . . . . . . . . . . . . . . . . . . . . . .PuronR (R--410A) Refrigerant Charging 28. . . . . . . . . . . . .System Information 28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .Loss of Charge Switch 28. . . . . . . . . . . . . . . . . . . . . . . . . . . .Check Defrost Thermostat 28. . . . . . . . . . . . . . . . . . . . . . . . .TROUBLESHOOTING 28. . . . . . . . . . . . . . . . . . . . . . . . . . . . . .START--UP CHECKLIST 28. . . . . . . . . . . . . . . . . . . . . . . . . . . .SAFETY CONSIDERATIONSInstallation and servicing of this equipment can be hazardous dueto mechanical and electrical components. Only trained andqualified personnel should install, repair, or service this equipment.Untrained personnel can perform basic maintenance functions suchas cleaning and replacing air filters. All other operations must beperformed by trained service personnel. When working on thisequipment, observe precautions in the literature, on tags, and onlabels attached to or shipped with the unit and other safetyprecautions that may apply.Follow all safety codes. Wear safety glasses, protective clothing,and work gloves. Use quenching cloth for brazing operations.Have a fire extinguisher available. Read these instructionsthoroughly and follow all warnings or cautions included inliterature and attached to the unit. Consult local building codes, thecurrent editions of the National Electrical Code (NEC) NFPA 70.In Canada refer to the current editions of the Canadian ElectricalCode CSA C22.1.