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Bryant R-22 service manual TXVin Cooling Mode, TXVin Heating Mode, 42

Models: R-22

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CAPILLARY TUBE

DIAPHRAGM

BYPASS TXV

PUSHRODS

FEEDER TUBES

INLET

OUTLET

NEEDLE

VALVE

SPRING

DISTRIBUTOR

CHECK VALVE

(CLOSED)

COIL

BULB

BYPASS TUBE

EXTERNAL EQUALIZER TUBE

A88406

Fig. 49—TXV in Cooling Mode

CAPILLARY TUBE

DIAPHRAGM

BYPASS TXV

INLET

PUSHRODS

FEEDER TUBES

OUTLET

NEEDLE

VALVE

SPRING

DISTRIBUTOR

CHECK VALVE

(OPEN)

BYPASS TUBE

COIL

BULB

EXTERNAL EQUALIZER TUBE

A88405

Fig. 50—TXV in Heating Mode

—42—

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Bryant R-22 service manual TXVin Cooling Mode, TXVin Heating Mode, 42

Contents

TABLE OF CONTENTS SAFETY CONSIDERATIONSApplication Guide and Service Manual ACCESSORY DESCRIPTIONS INSTALLATION GUIDELINEII. ADD-ONREPLACEMENT RETROFIT VIII. LOW-AMBIENTPRESSURE SWITCHX. COASTAL FILTER II. INTERCONNECTING TUBING SIZINGIX. WIND BAFFLE XI. SUPPORT FEETBAFFLE BAFFLE ASSEMBLYSUPPORT Fig. 1—WindBaffle Construction for Reliant UnitsFig. 2—WindBaffle Construction for Cube Units BAFFLE ASSEMBLYSUPPORT TABLE 3—WINDBAFFLE DIMENSIONS FOR CUBE UNITS IN III. METERING DEVICE SIZINGTABLE 6—CALCULATIONOF INDOOR PISTON NO Fig. 3—TubeBend LossesTABLE 5—FITTINGLOSSES IN EQUIVALENT FT TABLE 7—CALCULATIONOF OUTDOOR PISTON NOV. CHARGING INFORMATION TABLE 8—COMMONPISTON SIZESTABLE 9—LIQUID-LINESOLENOID KIT PART NUMBERS VI. 2–SPEEDAPPLICATIONSII. SERIAL NUMBER IDENTIFICATION Positions 6 through 10—SerialNumberI. REMOVE TOP COVER—BEFORE1/1/92 II. REMOVE FAN-MOTOR ASSEMBLY—BEFORE1/1/92CABINET III. INFORMATION PLATE—RELIANTPRODUCTSVI. REMOVE FAN-MOTOR ASSEMBLY—AFTER1/1/92 I. ALUMINUM WIRE Fig. 8—BasicCabinet DesignsELECTRICAL Fig. 9—InformationPlate II. CONTACTORSFig. 11—Contactor III. CAPACITORS Fig. 12—CapacitorsFig. 13—PTCDevices Fig. 14—CapacitanceBoosting IV. CYCLE PROTECTORVI. TIME-DELAYRELAY Fig. 15—Cycle-ProtectorDeviceV. CRANKCASE HEATER VII. PRESSURE SWITCHES Fig. 17—Cycle-ProtectorWiringFig. 18—Wiringfor Single-PoleContactor Fig. 16—Cycle-ProtectorSequenceVIII. DEFROST THERMOSTATS IX. DEFROST-CONTROLBOARDFig. 19—JumperDFT and R Terminals TABLE 10—DEFROSTCONTROL SPEED-UPTIMING SE Fig. 20—InsertingJumper WireFig. 21—CheckingBetween C and W2 QUENCE FOR CES0110063/CES0130024TABLE 11—DEFROSTTIMER SETTINGS XI. SERVICE ALARM CONTROL BOARDX. FAN MOTORS OF2 CESO130076–00 Fig. 24—FanPosition TABLE 12—FANPOSITIONFig. 23—DefrostThermostat Location —23—Fig. 25—ServiceAlarm Wiring Connections XIII. COMPRESSOR PLUGFig. 27—CompressorPlug XIV. LOW-VOLTAGETERMINALS RECIPROCATING COMPRESSORI. MECHANICAL FAILURES Fig. 28—IdentifyingInternal Connections II. ELECTRICAL FAILURESIII. SYSTEM CLEANUP AFTER BURNOUT IV. COMPRESSOR REMOVAL AND REPLACEMENTTABLE 13—COMPRESSOROIL RECHARGE COPELAND SCROLL COMPRESSOR I. FEATURESII. TROUBLESHOOTING Fig. 29—ScrollCompressor Refrigerant FlowIV. SCROLL COMPRESSOR, 3–PHASEMONITOR MILLENNIUM SCROLL COMPRESSOR I. FEATURESIII. TROUBLESHOOTING Fig. 30—Locationof Discharge ThermostatFig. 31—CES0130075 3–PhaseMonitor Board Fig. 32—CESO130075 3–PhaseMonitor Wiring Diagram—30— Fig. 33—Two-SpeedControl Board TABLE 14—AMBIENTTEMPERATURE FOR HIGH- ANDLOW-SPEEDOPERATION Fig. 34—SpeedupTerminalsTABLE 15—FUNCTIONLIGHT CODE AND DISPLAY LOCATION Fig. 35—TypicalCooling Balance PointsTABLE 17—FACTORYDEFAULTS Fig. 36—Low-VoltageControl WiringIII. FACTORY DEFAULTS TABLE 16—COMPRESSORPTC RANGESVI. TROUBLESHOOTING Fig. 37—Header-PinHousingFig. 39—ResistanceValues Versus Temperature THERMISTOR CURVEREFRIGERATION SYSTEM I. REFRIGERATION CYCLE II. LEAK DETECTIONFig. 40—Low-SpeedWindings Fig. 41—High-SpeedWindings—36— Fig. 42—HeatPump Refrigerant-FlowDiagrams TABLE 19—24VPIN CONNECTION TROUBLESHOOTINGFig. 43—LeakDetector III. BRAZING Fig. 44—ServiceValves IV. SERVICE VALVESFig. 45—Check-Flo-RaterComponents VI. REVERSING VALVEMode, Solenoid Energized Fig. 46—ReversingValveFig. 47—ReversingValve Cooling Mode or Defrost VII. THERMOSTATIC-EXPANSIONVALVES TXVVIII. THERMOSTATIC-EXPANSIONVALVE BI-FLOWTXV Fig. 48—ReversingValve Heating Mode, Solenoid DeEnergized IX. COIL REMOVALFig. 49—TXVin Cooling Mode Fig. 50—TXVin Heating Mode—42— Fig. 51—Accumulator XI. ACCUMULATORXII. CONTAMINANT REMOVAL XIII. SYSTEM CHARGINGTABLE 22-REQUIREDVAPOR TEMPERATURE F TABLE 21—SUPERHEATCHARGING TABLECARE AND MAINTENANCE TABLE 24—REQUIRED LIQUID-LINETEMPERATURE Special maintenance requirements are as follows Desert and Seacoast Locations—47— AIR CONDITIONER TROUBLESHOOTING CHART Fig. 52—Air-ConditionerTroubleshooting ChartHEAT PUMP TROUBLESHOOTING–COOLINGCYCLE —49—HEAT PUMP TROUBLESHOOTING–HEATINGCYCLE —50——51— sm01,025 —52—Printed in U.S.A Catalog No.