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Bryant R-22 service manual 52, Printed in U.S.A, sm01,025, Catalog No

Models: R-22

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© 2000 Bryant Heating & Cooling Systems 7310 W. Morris St. Indianapolis, IN 46231

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Printed in U.S.A.

sm01,025

Catalog No. 5356-109

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Bryant R-22 service manual 52, Printed in U.S.A, sm01,025, Catalog No

Contents

SAFETY CONSIDERATIONS TABLE OF CONTENTSApplication Guide and Service Manual INSTALLATION GUIDELINE II. ADD-ONREPLACEMENT RETROFITACCESSORY DESCRIPTIONS VIII. LOW-AMBIENTPRESSURE SWITCHII. INTERCONNECTING TUBING SIZING IX. WIND BAFFLEX. COASTAL FILTER XI. SUPPORT FEETBAFFLE ASSEMBLY SUPPORTBAFFLE Fig. 1—WindBaffle Construction for Reliant UnitsBAFFLE ASSEMBLY Fig. 2—WindBaffle Construction for Cube UnitsSUPPORT TABLE 3—WINDBAFFLE DIMENSIONS FOR CUBE UNITS IN III. METERING DEVICE SIZINGFig. 3—TubeBend Losses TABLE 5—FITTINGLOSSES IN EQUIVALENT FTTABLE 6—CALCULATIONOF INDOOR PISTON NO TABLE 7—CALCULATIONOF OUTDOOR PISTON NOTABLE 8—COMMONPISTON SIZES TABLE 9—LIQUID-LINESOLENOID KIT PART NUMBERSV. CHARGING INFORMATION VI. 2–SPEEDAPPLICATIONSII. SERIAL NUMBER IDENTIFICATION Positions 6 through 10—SerialNumberII. REMOVE FAN-MOTOR ASSEMBLY—BEFORE1/1/92 CABINETI. REMOVE TOP COVER—BEFORE1/1/92 III. INFORMATION PLATE—RELIANTPRODUCTSVI. REMOVE FAN-MOTOR ASSEMBLY—AFTER1/1/92 Fig. 8—BasicCabinet Designs I. ALUMINUM WIREELECTRICAL Fig. 9—InformationPlate II. CONTACTORSFig. 12—Capacitors Fig. 11—Contactor III. CAPACITORSFig. 13—PTCDevices Fig. 14—CapacitanceBoosting IV. CYCLE PROTECTORFig. 15—Cycle-ProtectorDevice VI. TIME-DELAYRELAYV. CRANKCASE HEATER Fig. 17—Cycle-ProtectorWiring Fig. 18—Wiringfor Single-PoleContactorVII. PRESSURE SWITCHES Fig. 16—Cycle-ProtectorSequenceVIII. DEFROST THERMOSTATS IX. DEFROST-CONTROLBOARDFig. 19—JumperDFT and R Terminals Fig. 20—InsertingJumper Wire Fig. 21—CheckingBetween C and W2TABLE 10—DEFROSTCONTROL SPEED-UPTIMING SE QUENCE FOR CES0110063/CES0130024XI. SERVICE ALARM CONTROL BOARD TABLE 11—DEFROSTTIMER SETTINGSX. FAN MOTORS OF2 CESO130076–00 TABLE 12—FANPOSITION Fig. 23—DefrostThermostat LocationFig. 24—FanPosition —23—Fig. 25—ServiceAlarm Wiring Connections XIII. COMPRESSOR PLUGRECIPROCATING COMPRESSOR Fig. 27—CompressorPlug XIV. LOW-VOLTAGETERMINALSI. MECHANICAL FAILURES Fig. 28—IdentifyingInternal Connections II. ELECTRICAL FAILURESIII. SYSTEM CLEANUP AFTER BURNOUT IV. COMPRESSOR REMOVAL AND REPLACEMENTCOPELAND SCROLL COMPRESSOR I. FEATURES II. TROUBLESHOOTINGTABLE 13—COMPRESSOROIL RECHARGE Fig. 29—ScrollCompressor Refrigerant FlowMILLENNIUM SCROLL COMPRESSOR I. FEATURES III. TROUBLESHOOTINGIV. SCROLL COMPRESSOR, 3–PHASEMONITOR Fig. 30—Locationof Discharge ThermostatFig. 32—CESO130075 3–PhaseMonitor Wiring Diagram Fig. 31—CES0130075 3–PhaseMonitor Board—30— TABLE 14—AMBIENTTEMPERATURE FOR HIGH- AND LOW-SPEEDOPERATIONFig. 33—Two-SpeedControl Board Fig. 34—SpeedupTerminalsTABLE 15—FUNCTIONLIGHT CODE AND DISPLAY LOCATION Fig. 35—TypicalCooling Balance PointsFig. 36—Low-VoltageControl Wiring III. FACTORY DEFAULTSTABLE 17—FACTORYDEFAULTS TABLE 16—COMPRESSORPTC RANGESFig. 37—Header-PinHousing Fig. 39—ResistanceValues Versus TemperatureVI. TROUBLESHOOTING THERMISTOR CURVEREFRIGERATION SYSTEM I. REFRIGERATION CYCLE II. LEAK DETECTIONFig. 41—High-SpeedWindings Fig. 40—Low-SpeedWindings—36— TABLE 19—24VPIN CONNECTION TROUBLESHOOTING Fig. 42—HeatPump Refrigerant-FlowDiagramsFig. 43—LeakDetector III. BRAZING Fig. 44—ServiceValves IV. SERVICE VALVESFig. 45—Check-Flo-RaterComponents VI. REVERSING VALVEFig. 46—ReversingValve Fig. 47—ReversingValve Cooling Mode or DefrostMode, Solenoid Energized VII. THERMOSTATIC-EXPANSIONVALVES TXVFig. 48—ReversingValve Heating Mode, Solenoid De EnergizedVIII. THERMOSTATIC-EXPANSIONVALVE BI-FLOWTXV IX. COIL REMOVALFig. 50—TXVin Heating Mode Fig. 49—TXVin Cooling Mode—42— XI. ACCUMULATOR XII. CONTAMINANT REMOVALFig. 51—Accumulator XIII. SYSTEM CHARGINGTABLE 22-REQUIREDVAPOR TEMPERATURE F TABLE 21—SUPERHEATCHARGING TABLECARE AND MAINTENANCE TABLE 24—REQUIRED LIQUID-LINETEMPERATURE Desert and Seacoast Locations Special maintenance requirements are as follows—47— AIR CONDITIONER TROUBLESHOOTING CHART Fig. 52—Air-ConditionerTroubleshooting ChartHEAT PUMP TROUBLESHOOTING–COOLINGCYCLE —49—HEAT PUMP TROUBLESHOOTING–HEATINGCYCLE —50——51— —52— Printed in U.S.Asm01,025 Catalog No.