Carrier manual 52S Series

Page 50

50

52S SERIES

FIGURE 82 Ð 52S 14,000 BTU UNIT FIELD TEMPERATURE CHART, HIGH HEAT MODE (47 F OUTDOOR TEMPERATURE)

Image 50

Contents Service Technician Guide ContentsIntroduction Summary of DANGERS, WARNINGS, and CautionsModel Number Nomenclature To Open the Control BOX General DisassemblyTo Disconnect Power for CORD- Connected Unit To Remove the Unit from the Wall SleeveDuct Extension Screws To Access INDOOR-AIR Section Components Removing the AIR BaffleTo Remove the AIR Discharge Grille To Remove the TOP Cover Ð Remove the screwTo Remove the Gusset To Access OUTDOOR-AIR Section ComponentsTo Remove the Discharge Deck Removing Stator Component Cleaning Schedule General CleaningCleaning and Safety Consider the following safety issues before beginningReplacing the Indoor AIR Filter Ð Access Monthly CleaningCleaning the Indoor AIR Filter Ð Remove Tools NeededChassis Cleaning the Vent AIR FilterReplacing the Vent AIR Filter Disconnect ALL Power to Unit Seasonal CleaningAccessing the Indoor and Outdoor Coils section Cleaning the Indoor and Outdoor CoilsAccessing the Indoor FAN and Indoor Section Components onCleaning the Heater Assembly Ð Once Cleaning the Indoor FAN and FANDisconnect ALL Power to the Unit Compressor Rotary Compressor ComponentsCompressor Troubleshooting Basic Hermetic Compressor Electrical MeasurementsBasic Compressor Troubleshooting Guide Compressor Replacement SHORTED/OPEN Windings TestDisconnect all power to unit Removing the Compressor Ð Follow the stepsInstalled Filter Drier Refrigerant Charging Ð Every mechanicalHeater Removal HeatersCommon Causes Heater Failure Removing Heater Screws Operating Controls Typical 52S Unit Operating ControlsHigh Heat or High Cool Ð Push button Description of Switch SettingsNON-USER Adjustable Switches Outside or Vent AIR Ð Push the FAN onlyCooling only Units Figure Sequence of OperationHEAT/COOL Units Figure Heat Pump Units FigureIndoor Thermostat Heat Pump Units Component Operation and TroubleshootingTools Needed Indoor Thermostat IT CONTACTS, ALL 52SQ AA and CP Models Outdoor Frost Thermostat Heat Pump UnitsLocked OUT Capacitor TestElectrical Components Removal and Replacement Outdoor Frost Thermostat ScrewsComponent Locations Open Control BOX Basic FAN Motor Electrical Tests FAN Motor TroubleshootingFAN Motor FAN Motor Troubleshooting Chart Typical 208/230 Volt Motors Typical 265 Volt MotorsFAN Motor Replacement RemovalField 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 Schematics Wiring Schematic 52SC Ð 208/230 V and 265 V AA and CP UnitsWiring 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