Manuals / Bryant / Household Appliance / Air Conditioner

Bryant R-22 Desert and Seacoast Locations, Special maintenance requirements are as follows, 47

Models: R-22

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3.Check to be sure tools, loose parts, and debris are removed from the unit.

4.Check to be sure all panels and screws are in place and tight.

Desert and Seacoast Locations

Special consideration must be given to the installation and main- tenance of condensing units and heat pumps installed in seacoast or desert locations. Salt and the alkali content of the sand adhere to the aluminum fins of the coil and can cause premature coil failure due to corrosion.

Preventive measures can be taken during installations, such as:

1.Locating the unit on side of structure opposite the prevailing winds.

2.Elevating the unit to height where drifting sand cannot pile up against coil. Four-in.-high mounting feet or an 18-in.- high mounting rack are available as accessories and can be used to elevate the unit.

3.Addition of coastal filter (see pre-sale literature for acces- sory listing).

Special maintenance requirements are as follows:

1.Frequent inspection of coil and base pan, especially after storms and/or high winds.

2.Cleaning coil by flushing out sand from between coil fins and out of base pan as frequently as inspection determines necessary.

3.Protecting the unit in ″ off season″ with cover that allows air to circulate through but prevents sand from sifting in (such as canvas material). Do not use plastic as plastic will hold moisture.

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Bryant R-22 service manual Desert and Seacoast Locations, Special maintenance requirements are as follows, 47

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