Carrier 52S manual

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FIGURE 79 Ð 52S 14,000 BTU UNIT FIELD TEMPERATURE CHART Ð LOW COOL Ð 50% RH

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Contents Contents Service Technician GuideSummary of DANGERS, WARNINGS, and Cautions IntroductionModel Number Nomenclature To Remove the Unit from the Wall Sleeve General DisassemblyTo Disconnect Power for CORD- Connected Unit To Open the Control BOXDuct Extension Screws Removing the AIR Baffle To Access INDOOR-AIR Section ComponentsTo Remove the TOP Cover Ð Remove the screw To Remove the AIR Discharge GrilleTo Remove the Gusset To Access OUTDOOR-AIR Section ComponentsTo Remove the Discharge Deck Removing Stator Consider the following safety issues before beginning General CleaningCleaning and Safety Component Cleaning ScheduleTools Needed Monthly CleaningCleaning the Indoor AIR Filter Ð Remove Replacing the Indoor AIR Filter Ð AccessChassis Cleaning the Vent AIR FilterReplacing the Vent AIR Filter Disconnect ALL Power to Unit Seasonal CleaningAccessing the Indoor and Outdoor Section Components on Cleaning the Indoor and Outdoor CoilsAccessing the Indoor FAN and Indoor Coils sectionCleaning the Heater Assembly Ð Once Cleaning the Indoor FAN and FANDisconnect ALL Power to the Unit Rotary Compressor Components CompressorBasic Hermetic Compressor Electrical Measurements Compressor TroubleshootingBasic Compressor Troubleshooting Guide SHORTED/OPEN Windings Test Compressor ReplacementRemoving the Compressor Ð Follow the steps Disconnect all power to unitRefrigerant Charging Ð Every mechanical Installed Filter DrierHeater Removal HeatersCommon Causes Heater Failure Removing Heater Screws Typical 52S Unit Operating Controls Operating ControlsOutside or Vent AIR Ð Push the FAN only Description of Switch SettingsNON-USER Adjustable Switches High Heat or High Cool Ð Push buttonHeat Pump Units Figure Sequence of OperationHEAT/COOL Units Figure Cooling only Units FigureIndoor Thermostat Heat Pump Units Component Operation and TroubleshootingTools Needed Outdoor Frost Thermostat Heat Pump Units Indoor Thermostat IT CONTACTS, ALL 52SQ AA and CP ModelsCapacitor Test Locked OUTOutdoor Frost Thermostat Screws Electrical Components Removal and ReplacementComponent Locations Open Control BOX Basic FAN Motor Electrical Tests FAN Motor TroubleshootingFAN Motor Typical 265 Volt Motors FAN Motor Troubleshooting Chart Typical 208/230 Volt MotorsRemoval FAN Motor ReplacementField Temperature Charts 52S Series Page 52S Series Page 52S Series Page 52S Series Page 52S Series Page 52S Series Page 52S Series Page 52S Series Wiring Schematic 52SC Ð 208/230 V and 265 V AA and CP Units Wiring SchematicsWiring Schematic 52SE Ð 208/230 V and 265 V AA and CP Units Wiring Schematic 52SE Ð 208/230 V and 265 V RC Units Wiring Schematic 52SQ Ð 208/230 V and 265 V AA and CP Units Wiring Schematic 52SQ Ð 208/230 V and 265 V RC Units Most Frequent Ptac Service Questions