Carrier 52S manual

45

FIGURE 77 Ð 52S 12,000 BTU UNIT FIELD TEMPERATURE CHART, LOW HEAT MODE (47 F OUTDOOR TEMPERATURE)

Image 45

Carrier 52S manual

Contents

Contents Service Technician Guide Summary of DANGERS, WARNINGS, and Cautions Introduction Model Number Nomenclature To Disconnect Power for CORD- Connected Unit General DisassemblyTo Open the Control BOX To Remove the Unit from the Wall Sleeve Duct Extension Screws Removing the AIR Baffle To Access INDOOR-AIR Section Components To Remove the TOP Cover Ð Remove the screw To Remove the AIR Discharge Grille To Access OUTDOOR-AIR Section Components To Remove the Discharge DeckTo Remove the Gusset Removing Stator Cleaning and Safety General CleaningComponent Cleaning Schedule Consider the following safety issues before beginning Cleaning the Indoor AIR Filter Ð Remove Monthly CleaningReplacing the Indoor AIR Filter Ð Access Tools Needed Cleaning the Vent AIR Filter Replacing the Vent AIR FilterChassis Seasonal Cleaning Accessing the Indoor and OutdoorDisconnect ALL Power to Unit Accessing the Indoor FAN and Indoor Cleaning the Indoor and Outdoor CoilsCoils section Section Components on Cleaning the Indoor FAN and FAN Disconnect ALL Power to the UnitCleaning the Heater Assembly Ð Once Rotary Compressor Components Compressor Basic Hermetic Compressor Electrical Measurements Compressor Troubleshooting Basic Compressor Troubleshooting Guide SHORTED/OPEN Windings Test Compressor Replacement Removing the Compressor Ð Follow the steps Disconnect all power to unit Refrigerant Charging Ð Every mechanical Installed Filter Drier Heaters Common Causes Heater FailureHeater Removal Removing Heater Screws Typical 52S Unit Operating Controls Operating Controls NON-USER Adjustable Switches Description of Switch SettingsHigh Heat or High Cool Ð Push button Outside or Vent AIR Ð Push the FAN only HEAT/COOL Units Figure Sequence of OperationCooling only Units Figure Heat Pump Units Figure Component Operation and Troubleshooting Tools NeededIndoor Thermostat Heat Pump Units Outdoor Frost Thermostat Heat Pump Units Indoor Thermostat IT CONTACTS, ALL 52SQ AA and CP Models Capacitor Test Locked OUT Outdoor Frost Thermostat Screws Electrical Components Removal and Replacement Component Locations Open Control BOX FAN Motor Troubleshooting FAN MotorBasic FAN Motor Electrical Tests Typical 265 Volt Motors FAN Motor Troubleshooting Chart Typical 208/230 Volt Motors Removal FAN Motor Replacement Field 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 Schematics Wiring 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