Bryant 575A Troubleshooting Chart, Cooling Cycle, TXV Ð Thermostatic Expansion Valve

Models: 575A

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Contents

SAFETY CONSIDERATIONS IMPORTANT Ð READ BEFORE INSTALLINGCONTENTS INSTALLATIONFig. 2 Ð Dimensions A.Rigging Table 1 Ð Physical DataII.RIG AND MOUNT THE UNIT B. MountingIII. COMPLETE REFRIGERANT PIPING CONNECTIONS B. Filter Drier and Moisture IndicatorD. Safety Relief Table 2 Ð Refrigerant Piping SizesFig. 5 Ð Typical Piping Diagram, 575A/524A-H Fig. 8 Ð 575A090 Power Wiring Connections A. Field Power SupplyB. Accessory Electric Heat Fig. 6 Ð Fusible Plug LocationsTable 5 Ð Accessory Electric Heater Data Table 4 Ð Electrical DataFig. 9 Ð Control Wiring Connections C. Field Control WiringFig. 10 Ð Field Control Wiring Raceway START-UP I.PRELIMINARY CHECKSB. Oil Charging Fig. 11 Ð Cooling Charging Chart Ð 575A090IV. REFRIGERANT SERVICE PORTS V. SEQUENCE OF OPERATIONVII. MALFUNCTION Fig. 12 Ð Cooling Mode OperationC. Defrost Fig. 14 Ð Cleaning Outdoor Coil Fig. 13 Ð Heating Mode Operation SERVICEI. CLEANING A. Outdoor CoilFig. 16 Ð Separating Coil Sections III.OUTDOOR FAN ADJUSTMENT FigFig. 17 Ð Outdoor-FanAdjustment II.LUBRICATION A. CompressorsTROUBLESHOOTING CHART, HEATING CYCLE Ð13ÐCopyright 1995 Carrier Corporation TROUBLESHOOTING CHART, COOLING CYCLETXV Ð Thermostatic Expansion Valve CATALOG NO. BDP-3357-502B. Pre-Start-Up START-UPCHECKLISTI. PRELIMINARY INFORMATION OUTDOOR UNITC. Start-Up CL-2