Manuals / Carrier / Household Appliance / Air Conditioner

Carrier 52S manual To Remove The Air Discharge Grille, Ð Removing Air Discharge Grille

Models: 52S

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TO REMOVE THE AIR DISCHARGE GRILLE

1.Remove the 2 screws on each end of the air discharge grille as shown in Figure 14.

2.Lift and rotate back the bottom edge of the discharge grille and remove it.

FIGURE 14 Ð REMOVING AIR DISCHARGE GRILLE

TO REMOVE THE ALUMINUM TOP PANEL

Ð Remove one screw from each end of the aluminum top panel (located on the underside of the panel) as shown in Figure 15. On the left side of the unit, remove the screw closest to the side of the unit.

TOP PANEL

SCREW

FIGURE 15 Ð ALUMINUM TOP PANEL

TO REMOVE THE TOP COVER Ð Remove the screw

located in the middle of the top cover and remove the cover. See Figure 16.

FIGURE 16 Ð TOP COVER SCREW

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Carrier 52S manual To Remove The Air Discharge Grille, Ð Removing Air Discharge Grille, To Remove The Aluminum Top Panel

Contents

PACKAGED TERMINAL AIR CONDITIONERS AND HEAT PUMPS CONTENTS52S SERIES SERVICE TECHNICIAN GUIDE52S SERIES INTRODUCTIONSUMMARY OF DANGERS, WARNINGS, AND CAUTIONS FIGURE 1 Ð REMOVING FRONT PANELFIGURE 3 Ð SAMPLE DATA INFORMATION PLATE FIGURE 2 Ð MODEL NUMBER NOMENCLATURETO REMOVE THE UNIT FROM THE WALL SLEEVE GENERAL DISASSEMBLYTO DISCONNECT POWER FOR CORD- CONNECTED UNIT TO OPEN THE CONTROL BOXFIGURE 7 Ð DUCT EXTENSION SCREWS WITH THE LATERAL DUCT ACCESSORY PACKAGETO REMOVE THE LATERAL DUCT EXTENSION, FOR UNITS EQUIPPEDDISASSEMBLING THE LATERAL DUCT TO ACCESS INDOOR-AIRSECTION COMPONENTSLATERAL DUCT ACCESSORY PACKAGE FIGURE 11 Ð DISCHARGE PLENUM ASSEMBLYFIGURE 15 Ð ALUMINUM TOP PANEL TO REMOVE THE AIR DISCHARGE GRILLEFIGURE 14 Ð REMOVING AIR DISCHARGE GRILLE TO REMOVE THE ALUMINUM TOP PANELFIGURE 17 Ð DISCHARGE DECK REMOVAL TO ACCESS OUTDOOR-AIRSECTION COMPONENTSTO REMOVE THE DISCHARGE DECK TO REMOVE THE GUSSETSTATOR CONDENSER ORIFICE CONDENSER COIL FIGURE 20 Ð REMOVING STATORFIGURE 21 Ð FRONT PANEL, CHASSIS, AND SLEEVE GENERAL CLEANINGCLEANING AND SAFETY COMPONENT CLEANING SCHEDULETOOLS NEEDED MONTHLY CLEANINGCLEANING THE INDOOR AIR FILTER Ð Remove REPLACING THE INDOOR AIR FILTER Ð AccessCHASSIS CLEANING THE VENT AIR FILTERFIGURE 23 Ð ACCESSING VENT AIR FILTER REPLACING THE VENT AIR FILTERFIGURE 25 Ð SIDE ANGLE SCREWS SEASONAL CLEANINGACCESSING THE INDOOR AND OUTDOOR 1.DISCONNECT ALL POWER TO UNITSection Components on page CLEANING THE INDOOR AND OUTDOOR COILSCoils section ACCESSING THE INDOOR FAN AND INDOOR FIGURE 28 Ð CLEANING THE COILSCLEANING THE HEATER ASSEMBLY Ð Once the CLEANING THE INDOOR FAN AND FANACCESSING THE HEATER ASSEMBLY Ð To access 1.DISCONNECT ALL POWER TO THE UNITFIGURE 32 Ð ROTARY COMPRESSOR COMPONENTS COMPRESSOR52S SERIES 1.DISCONNECT ALL POWER TO THE UNIT COMPRESSOR TROUBLESHOOTINGBASIC HERMETIC COMPRESSOR ELECTRICAL MEASUREMENTS FIGURE 33 Ð ROTARY COMPRESSOR COMPRESSION PROCESS52S SERIES SYMPTOMFIGURE 35 Ð SHORTED/OPEN WINDINGS TEST COMPRESSOR REPLACEMENTFIGURE 36 Ð GROUNDED WINDINGS TEST FIGURE 38 Ð TUBE INSERTED STRAINER 1.Disconnect all power to unitREMOVING THE COMPRESSOR Ð Follow the steps FIGURE 37 Ð STRAINER AND LIQUID TUBEREFRIGERANT CHARGING Ð Every mechanical FIGURE 39 Ð INSTALLED FILTER DRIERFIGURE 40 Ð SUCTION LINE FILTER DRIER FIGURE 41 Ð LIMIT SWITCH LOCATION Consider the following safety issuesPower Assembly 1.DISCONNECT ALL POWER TO UNITFIGURE 43 Ð HEATER REMOVED FIGURE 42 Ð REMOVING HEATER SCREWSFIGURE 44 Ð ACCEPTABLE HEATER RESISTANCE VALUES FIGURE 47 Ð PROGRAMMABLE THERMOSTAT OPERATING CONTROLSFIGURE 45 Ð TYPICAL 52S UNIT OPERATING CONTROLS FIGURE 46 Ð MANUAL THERMOSTATOUTSIDE OR VENT AIR Ð Push the FAN ONLY DESCRIPTION OF SWITCH SETTINGSNON-USERADJUSTABLE SWITCHES HIGH HEAT OR HIGH COOL Ð Push button andSEQUENCE OF OPERATION FIGURE 50 Ð SELECTOR SWITCH CONTACTSFIGURE 51 Ð SELECTOR SWITCH CONTACTS FIGURE 52 Ð SELECTOR SWITCH CONTACTSConsider the following safety issues COMPONENT OPERATION AND TROUBLESHOOTINGTOOLS NEEDED INDOOR THERMOSTAT Heat Pump UnitsLEGEND Figures OUTDOOR FROST THERMOSTAT Heat Pump UnitsFIGURE 55 Ð OUTDOOR FROST THERMOSTAT OFT CONTACTS, ALL 52SQ AA AND CP MODELSLOCKED OUT FIGURE 57 Ð FAN CYCLE SWITCH 3 TerminalFIGURE 56 Ð CAPACITOR TEST FIGURE 58 Ð ESCUTCHEON REMOVAL ELECTRICAL COMPONENTS REMOVAL AND REPLACEMENTFIGURE 59 Ð TEMPERATURE LIMITER FIGURE 60 Ð OUTDOOR FROST THERMOSTAT SCREWSIN OPEN CONTROL BOX FIGURE 61 Ð COMPONENT LOCATIONSFIGURE 62 Ð TWO-SPEED,PERMANENT FAN MOTOR TROUBLESHOOTINGFAN MOTOR BASIC FAN MOTOR ELECTRICAL TESTSFIGURE 64 Ð TYPICAL 52S FAN MOTORS FIGURE 63 Ð FAN MOTOR TROUBLESHOOTING CHARTTYPICAL 208/230 VOLT MOTORS TYPICAL 265 VOLT MOTORSFIGURE 66 Ð REMOVING OUTDOOR FAN FROM MOTOR SHAFT FAN MOTOR REPLACEMENTRemoval FIGURE 65 Ð SPRING CLIPSee Figures 67 - 82 for eld temperature data FIELD TEMPERATURE CHARTS52S SERIES Page 52S SERIES Page 52S SERIES Page 52S SERIES Page 52S SERIES Page 52S SERIES Page 52S SERIES Page 52S SERIES located next to the unit control box WIRING SCHEMATICSÐ Capacitor 52S SERIESPage Ð Capacitor 52S SERIESPage the outdoor coil, and by using an optional acces MOST FREQUENT PTAC SERVICE QUESTIONSNo, only for use on remote control RC models By using a slinger ring to evaporate the water on