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Bryant R-22 service manual VI. REMOVE FAN-MOTOR ASSEMBLY—AFTER1/1/92

Models: R-22

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VI. REMOVE FAN-MOTOR ASSEMBLY—AFTER 1/1/92

HEAT PUMP ONLY

150' MAX.

A90077

Fig. 7—Application with Air Conditioner or Heat Pump Installed Above Indoor Unit

6.Lift top cover from unit.

7.Reverse sequence for reassembly.

VI. REMOVE FAN-MOTOR ASSEMBLY—AFTER 1/1/92

NOTE: This section applies to all Reliant products made after

January 1, 1992

1.Perform items 1, 3, 4, and 5 above. (Note item 2 is not required.)

2.Remove 4 screws holding wire basket to top cover.

3.Lift wire basket from unit.

4.Remove nuts holding fan motor to wire basket.

5.Remove motor and fan blade assembly.

6.Pull wires through wire raceway to change motor.

7.Reverse sequence for reassembly.

8.Prior to applying power, check that fan rotates freely.

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Bryant R-22 service manual VI. REMOVE FAN-MOTOR ASSEMBLY—AFTER1/1/92

Contents

Application Guide and Service Manual TABLE OF CONTENTSSAFETY CONSIDERATIONS VIII. LOW-AMBIENTPRESSURE SWITCH INSTALLATION GUIDELINEII. ADD-ONREPLACEMENT RETROFIT ACCESSORY DESCRIPTIONSXI. SUPPORT FEET II. INTERCONNECTING TUBING SIZINGIX. WIND BAFFLE X. COASTAL FILTERFig. 1—WindBaffle Construction for Reliant Units BAFFLE ASSEMBLYSUPPORT BAFFLESUPPORT Fig. 2—WindBaffle Construction for Cube UnitsBAFFLE ASSEMBLY III. METERING DEVICE SIZING TABLE 3—WINDBAFFLE DIMENSIONS FOR CUBE UNITS INTABLE 7—CALCULATIONOF OUTDOOR PISTON NO Fig. 3—TubeBend LossesTABLE 5—FITTINGLOSSES IN EQUIVALENT FT TABLE 6—CALCULATIONOF INDOOR PISTON NOVI. 2–SPEEDAPPLICATIONS TABLE 8—COMMONPISTON SIZESTABLE 9—LIQUID-LINESOLENOID KIT PART NUMBERS V. CHARGING INFORMATIONPositions 6 through 10—SerialNumber II. SERIAL NUMBER IDENTIFICATIONIII. INFORMATION PLATE—RELIANTPRODUCTS II. REMOVE FAN-MOTOR ASSEMBLY—BEFORE1/1/92CABINET I. REMOVE TOP COVER—BEFORE1/1/92VI. REMOVE FAN-MOTOR ASSEMBLY—AFTER1/1/92 ELECTRICAL I. ALUMINUM WIREFig. 8—BasicCabinet Designs II. CONTACTORS Fig. 9—InformationPlateFig. 13—PTCDevices Fig. 11—Contactor III. CAPACITORSFig. 12—Capacitors IV. CYCLE PROTECTOR Fig. 14—CapacitanceBoostingV. CRANKCASE HEATER VI. TIME-DELAYRELAYFig. 15—Cycle-ProtectorDevice Fig. 16—Cycle-ProtectorSequence Fig. 17—Cycle-ProtectorWiringFig. 18—Wiringfor Single-PoleContactor VII. PRESSURE SWITCHESIX. DEFROST-CONTROLBOARD VIII. DEFROST THERMOSTATSFig. 19—JumperDFT and R Terminals QUENCE FOR CES0110063/CES0130024 Fig. 20—InsertingJumper WireFig. 21—CheckingBetween C and W2 TABLE 10—DEFROSTCONTROL SPEED-UPTIMING SEX. FAN MOTORS TABLE 11—DEFROSTTIMER SETTINGSXI. SERVICE ALARM CONTROL BOARD OF2 CESO130076–00 —23— TABLE 12—FANPOSITIONFig. 23—DefrostThermostat Location Fig. 24—FanPositionXIII. COMPRESSOR PLUG Fig. 25—ServiceAlarm Wiring ConnectionsI. MECHANICAL FAILURES Fig. 27—CompressorPlug XIV. LOW-VOLTAGETERMINALSRECIPROCATING COMPRESSOR II. ELECTRICAL FAILURES Fig. 28—IdentifyingInternal ConnectionsIV. COMPRESSOR REMOVAL AND REPLACEMENT III. SYSTEM CLEANUP AFTER BURNOUTFig. 29—ScrollCompressor Refrigerant Flow COPELAND SCROLL COMPRESSOR I. FEATURESII. TROUBLESHOOTING TABLE 13—COMPRESSOROIL RECHARGEFig. 30—Locationof Discharge Thermostat MILLENNIUM SCROLL COMPRESSOR I. FEATURESIII. TROUBLESHOOTING IV. SCROLL COMPRESSOR, 3–PHASEMONITOR—30— Fig. 31—CES0130075 3–PhaseMonitor BoardFig. 32—CESO130075 3–PhaseMonitor Wiring Diagram Fig. 34—SpeedupTerminals TABLE 14—AMBIENTTEMPERATURE FOR HIGH- ANDLOW-SPEEDOPERATION Fig. 33—Two-SpeedControl BoardFig. 35—TypicalCooling Balance Points TABLE 15—FUNCTIONLIGHT CODE AND DISPLAY LOCATIONTABLE 16—COMPRESSORPTC RANGES Fig. 36—Low-VoltageControl WiringIII. FACTORY DEFAULTS TABLE 17—FACTORYDEFAULTSTHERMISTOR CURVE Fig. 37—Header-PinHousingFig. 39—ResistanceValues Versus Temperature VI. TROUBLESHOOTINGII. LEAK DETECTION REFRIGERATION SYSTEM I. REFRIGERATION CYCLE—36— Fig. 40—Low-SpeedWindingsFig. 41—High-SpeedWindings Fig. 43—LeakDetector III. BRAZING Fig. 42—HeatPump Refrigerant-FlowDiagramsTABLE 19—24VPIN CONNECTION TROUBLESHOOTING IV. SERVICE VALVES Fig. 44—ServiceValvesVI. REVERSING VALVE Fig. 45—Check-Flo-RaterComponentsVII. THERMOSTATIC-EXPANSIONVALVES TXV Fig. 46—ReversingValveFig. 47—ReversingValve Cooling Mode or Defrost Mode, Solenoid EnergizedIX. COIL REMOVAL Fig. 48—ReversingValve Heating Mode, Solenoid DeEnergized VIII. THERMOSTATIC-EXPANSIONVALVE BI-FLOWTXV—42— Fig. 49—TXVin Cooling ModeFig. 50—TXVin Heating Mode XIII. SYSTEM CHARGING XI. ACCUMULATORXII. CONTAMINANT REMOVAL Fig. 51—AccumulatorTABLE 21—SUPERHEATCHARGING TABLE TABLE 22-REQUIREDVAPOR TEMPERATURE FCARE AND MAINTENANCE TABLE 24—REQUIRED LIQUID-LINETEMPERATURE —47— Special maintenance requirements are as followsDesert and Seacoast Locations Fig. 52—Air-ConditionerTroubleshooting Chart AIR CONDITIONER TROUBLESHOOTING CHART—49— HEAT PUMP TROUBLESHOOTING–COOLINGCYCLE—50— HEAT PUMP TROUBLESHOOTING–HEATINGCYCLE—51— Catalog No. —52—Printed in U.S.A sm01,025