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Bryant 541A, 575C, 575B Troubleshooting Chart - Cooling Cycle, LEGEND Crankcase Heater, Catalog No

Models: 541A 575B 575C

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LEGEND Crankcase Heater	Thermostatic Expansion Valve
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CCH	TXV

TROUBLESHOOTING CHART — COOLING CYCLE

Printed in U.S.A.

CATALOG NO. 5357-506

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Bryant 541A, 575C Troubleshooting Chart - Cooling Cycle, LEGEND Crankcase Heater, Thermostatic Expansion Valve, Catalog No

Contents

INSTALLATION I. COMPLETE PRE-INSTALLATIONCHECKS CONTENTSSAFETY CONSIDERATIONS III. Complete Refrigerant PipingC. Mount Unit Fig. 1 - 575B072 Unit DimensionsB. Locate Unit BOTTOMFig. 2 - 575C090,120 Unit Dimensions Fig. 3 - 541A180 Unit Dimensions WEIGHT DISTRIBUTIONFig. 4 - Component Locations - 541A180 Shown Page III. COMPLETE REFRIGERANT PIPING CONNECTIONS C. Install Filter Driers and Moisture IndicatorsD. Liquid Line Piping Procedure A. Check Vertical SeparationOperating Temperature F. Provide Safety ReliefG. Vapor Line Piping Procedure Table 4 - Refrigerant Specialties Part NumbersC. Unbalanced 3-PhaseSupply Voltage A. Power SupplyB. Power Wiring D. General Wiring Notes See FigTable 7 - Electrical Data Fig. 8 - Wiring Diagram - 575C090,120Control Transformer Page Page Page 541A180/524A-H Fig. 15A - Compressor Mounting - 575B072 and PRE-START-UPI.PRELIMINARY CHECKS 575C090,120 UnitsIV. ACCUMULATOR III.ADVANCED SCROLL TEMPERATURE PROTECTION ASTPIII. LIQUID LINE SOLENOID START-UPV. PRELIMINARY OIL CHARGE 541A VII. ADJUST REFRIGERANT CHARGEIV. COMPRESSOR LOCKOUT DEVICE A. Add OilFig. 19C - 541A180 Charging Chart Fig. 19A - 575B072 Charging ChartFig. 19B - 575C090,120 Charging Chart SEQUENCE OF OPERATION I. 575B072 UNITSIV. DUPLEX UNITS III. 541A180 UNITS A. HeatingB. Cooling A. Duplex 575C120 Units with 524A-H240See FigV. RESTART SERVICE I. COMPRESSOR REMOVALD. Check Operation VI. CAUSES OF COMPLETE UNIT SHUTDOWNVI. CRANKCASE HEATER IV. 541A180 COOLING MODE OPERATION See FigV.541A180 HEATING MODE OPERATION See Fig VII. OUTDOOR UNIT FANSFig. 21 - 575C090,120 Heating Mode Size 090 Shown Fig. 22 - 541A180 Cooling ModeB. Cleaning and Maintaining E-CoatedCoils IX. COIL CLEANING AND MAINTENANCEA. Cleaning Standard Coils Fig. 23 - 541A180 Heating ModeFig. 24 - Pivot and Support Top Cover Fig. 25 - Coil Cleaning TypicalX. REPLACEMENT PARTS TROUBLESHOOTING CHART - HEATING CYCLE Thermostatic Expansion Valve TROUBLESHOOTING CHART - COOLING CYCLELEGEND Crankcase Heater CATALOG NOII.PRE-START-UP OUTDOOR UNIT START-UPCHECKLISTI. PRELIMINARY INFORMATION CONTROLSHEATING III. START-UPCOOLING