52S Series | Carrier manual

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52S SERIES

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

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Carrier manual 52S Series

Contents

Service Technician Guide Contents Introduction Summary of DANGERS, WARNINGS, and Cautions Model Number Nomenclature To Open the Control BOX General DisassemblyTo Disconnect Power for CORD- Connected Unit To Remove the Unit from the Wall Sleeve Duct Extension Screws To Access INDOOR-AIR Section Components Removing the AIR Baffle To Remove the AIR Discharge Grille To Remove the TOP Cover Ð Remove the screw To 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 beginning Replacing the Indoor AIR Filter Ð Access Monthly CleaningCleaning the Indoor AIR Filter Ð Remove Tools Needed Chassis 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 on Cleaning the Heater Assembly Ð Once Cleaning the Indoor FAN and FANDisconnect ALL Power to the Unit Compressor Rotary Compressor Components Compressor Troubleshooting Basic Hermetic Compressor Electrical Measurements Basic Compressor Troubleshooting Guide Compressor Replacement SHORTED/OPEN Windings Test Disconnect all power to unit Removing the Compressor Ð Follow the steps Installed Filter Drier Refrigerant Charging Ð Every mechanical Heater Removal HeatersCommon Causes Heater Failure Removing Heater Screws Operating Controls Typical 52S Unit Operating Controls High Heat or High Cool Ð Push button Description of Switch SettingsNON-USER Adjustable Switches Outside or Vent AIR Ð Push the FAN only Cooling only Units Figure Sequence of OperationHEAT/COOL Units Figure Heat Pump Units Figure Indoor Thermostat Heat Pump Units Component Operation and TroubleshootingTools Needed Indoor Thermostat IT CONTACTS, ALL 52SQ AA and CP Models Outdoor Frost Thermostat Heat Pump Units Locked OUT Capacitor Test Electrical Components Removal and Replacement Outdoor Frost Thermostat Screws Component 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 Motors FAN Motor Replacement Removal 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 Schematics Wiring Schematic 52SC Ð 208/230 V and 265 V AA and CP Units 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