52S Series | Carrier instruction

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52S SERIES

FIGURE 78 Ð 52S 12,000 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 Discharge Deck To Access OUTDOOR-AIR Section ComponentsTo Remove the Gusset 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 Replacing the Vent AIR Filter Cleaning the Vent AIR FilterChassis Accessing the Indoor and Outdoor Seasonal CleaningDisconnect ALL Power to Unit Coils section Cleaning the Indoor and Outdoor CoilsAccessing the Indoor FAN and Indoor Section Components on Disconnect ALL Power to the Unit Cleaning the Indoor FAN and FANCleaning the Heater Assembly Ð Once 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 Common Causes Heater Failure HeatersHeater Removal 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 Tools Needed Component Operation and TroubleshootingIndoor Thermostat Heat Pump Units 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 FAN Motor FAN Motor TroubleshootingBasic FAN Motor Electrical Tests 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