52S Series | Carrier specification

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52S SERIES

FIGURE 74 Ð 52S 9,000 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 Access OUTDOOR-AIR Section Components To Remove the Discharge DeckTo 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 Cleaning the Vent AIR Filter Replacing the Vent AIR FilterChassis Seasonal Cleaning Accessing the Indoor and OutdoorDisconnect ALL Power to Unit Coils section Cleaning the Indoor and Outdoor CoilsAccessing the Indoor FAN and Indoor Section Components on Cleaning the Indoor FAN and FAN Disconnect ALL Power to the UnitCleaning 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 Heaters Common Causes Heater FailureHeater 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 Component Operation and Troubleshooting Tools NeededIndoor 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 Troubleshooting FAN MotorBasic 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