Manuals / Carrier / Household Appliance / Air Conditioner

Carrier To Access Outdoor-Airsection Components, To Remove The Discharge Deck, 52S SERIES

Models: 52S

1 56

Download 56 pages 47.31 Kb

Page 8

TO REMOVE THE DISCHARGE DECK

52S

SERIES

TO REMOVE THE DISCHARGE DECK

1.Remove the 2 discharge deck screws shown in Figure 17. Also remove the screw located at the top left corner of the outdoor coil tube sheet.

2.Gently pull the left side panel out and lift the end of the discharge deck that the screws were re- moved from, up and forward, to remove.

TO ACCESS OUTDOOR-AIR SECTION COMPONENTS

TO REMOVE THE GUSSET

1.Remove the 2 screws that secure the gusset to the partition.

2.Remove the screw that secures the gusset to the plastic condenser ori®ce and remove the gusset. See Figure 18.

TO DETACH THE CONDENSER ORIFICE FROM THE CONDENSER COIL Ð Using a ¯at head screw

driver, gently pry the plastic condenser ori®ce tabs away from both condenser coil tube sheets and pull the con- denser ori®ce away as shown in Figure 19.

		DISCHARGE
SCREWS		DECK

FIGURE 17 Ð DISCHARGE DECK REMOVAL

CONDENSER

ORIFICE

GUSSET

PARTITION

FIGURE 18 Ð GUSSET REMOVAL

COIL	CONDENSER
ASSEMBLY	ORIFICE

COIL

FINS

COIL

MOUNTING

SCREWS

CONDENSER BASEPAN

ORIFICE TABS

FIGURE 19 Ð REMOVING CONDENSER ORIFICE

8

Image 8

Carrier 52S To Access Outdoor-Airsection Components, To Remove The Discharge Deck, To Remove The Gusset, Ð Gusset Removal

Contents

CONTENTS 52S SERIESSERVICE TECHNICIAN GUIDE PACKAGED TERMINAL AIR CONDITIONERS AND HEAT PUMPSINTRODUCTION SUMMARY OF DANGERS, WARNINGS, AND CAUTIONSFIGURE 1 Ð REMOVING FRONT PANEL 52S SERIESFIGURE 2 Ð MODEL NUMBER NOMENCLATURE FIGURE 3 Ð SAMPLE DATA INFORMATION PLATEGENERAL DISASSEMBLY TO DISCONNECT POWER FOR CORD- CONNECTED UNITTO OPEN THE CONTROL BOX TO REMOVE THE UNIT FROM THE WALL SLEEVEWITH THE LATERAL DUCT ACCESSORY PACKAGE TO REMOVE THE LATERAL DUCTEXTENSION, FOR UNITS EQUIPPED FIGURE 7 Ð DUCT EXTENSION SCREWSTO ACCESS INDOOR-AIRSECTION COMPONENTS LATERAL DUCT ACCESSORY PACKAGEFIGURE 11 Ð DISCHARGE PLENUM ASSEMBLY DISASSEMBLING THE LATERAL DUCTTO REMOVE THE AIR DISCHARGE GRILLE FIGURE 14 Ð REMOVING AIR DISCHARGE GRILLETO REMOVE THE ALUMINUM TOP PANEL FIGURE 15 Ð ALUMINUM TOP PANELTO ACCESS OUTDOOR-AIRSECTION COMPONENTS TO REMOVE THE DISCHARGE DECKTO REMOVE THE GUSSET FIGURE 17 Ð DISCHARGE DECK REMOVALFIGURE 20 Ð REMOVING STATOR STATOR CONDENSER ORIFICE CONDENSER COILGENERAL CLEANING CLEANING AND SAFETYCOMPONENT CLEANING SCHEDULE FIGURE 21 Ð FRONT PANEL, CHASSIS, AND SLEEVEMONTHLY CLEANING CLEANING THE INDOOR AIR FILTER Ð RemoveREPLACING THE INDOOR AIR FILTER Ð Access TOOLS NEEDEDCLEANING THE VENT AIR FILTER FIGURE 23 Ð ACCESSING VENT AIR FILTERREPLACING THE VENT AIR FILTER CHASSISSEASONAL CLEANING ACCESSING THE INDOOR AND OUTDOOR1.DISCONNECT ALL POWER TO UNIT FIGURE 25 Ð SIDE ANGLE SCREWSCLEANING THE INDOOR AND OUTDOOR COILS Coils section ACCESSING THE INDOOR FAN AND INDOORFIGURE 28 Ð CLEANING THE COILS Section Components on pageCLEANING THE INDOOR FAN AND FAN ACCESSING THE HEATER ASSEMBLY Ð To access1.DISCONNECT ALL POWER TO THE UNIT CLEANING THE HEATER ASSEMBLY Ð Once the52S SERIES COMPRESSORFIGURE 32 Ð ROTARY COMPRESSOR COMPONENTS COMPRESSOR TROUBLESHOOTING BASIC HERMETIC COMPRESSOR ELECTRICAL MEASUREMENTSFIGURE 33 Ð ROTARY COMPRESSOR COMPRESSION PROCESS 1.DISCONNECT ALL POWER TO THE UNITSYMPTOM 52S SERIESFIGURE 36 Ð GROUNDED WINDINGS TEST COMPRESSOR REPLACEMENTFIGURE 35 Ð SHORTED/OPEN WINDINGS TEST 1.Disconnect all power to unit REMOVING THE COMPRESSOR Ð Follow the stepsFIGURE 37 Ð STRAINER AND LIQUID TUBE FIGURE 38 Ð TUBE INSERTED STRAINERFIGURE 40 Ð SUCTION LINE FILTER DRIER FIGURE 39 Ð INSTALLED FILTER DRIERREFRIGERANT CHARGING Ð Every mechanical Consider the following safety issues PowerAssembly 1.DISCONNECT ALL POWER TO UNIT FIGURE 41 Ð LIMIT SWITCH LOCATIONFIGURE 44 Ð ACCEPTABLE HEATER RESISTANCE VALUES FIGURE 42 Ð REMOVING HEATER SCREWSFIGURE 43 Ð HEATER REMOVED OPERATING CONTROLS FIGURE 45 Ð TYPICAL 52S UNIT OPERATING CONTROLSFIGURE 46 Ð MANUAL THERMOSTAT FIGURE 47 Ð PROGRAMMABLE THERMOSTATDESCRIPTION OF SWITCH SETTINGS NON-USERADJUSTABLE SWITCHESHIGH HEAT OR HIGH COOL Ð Push button and OUTSIDE OR VENT AIR Ð Push the FAN ONLYFIGURE 50 Ð SELECTOR SWITCH CONTACTS FIGURE 51 Ð SELECTOR SWITCH CONTACTSFIGURE 52 Ð SELECTOR SWITCH CONTACTS SEQUENCE OF OPERATIONCOMPONENT OPERATION AND TROUBLESHOOTING TOOLS NEEDEDINDOOR THERMOSTAT Heat Pump Units Consider the following safety issuesOUTDOOR FROST THERMOSTAT Heat Pump Units FIGURE 55 Ð OUTDOOR FROST THERMOSTAT OFTCONTACTS, ALL 52SQ AA AND CP MODELS LEGEND FiguresFIGURE 56 Ð CAPACITOR TEST FIGURE 57 Ð FAN CYCLE SWITCH 3 TerminalLOCKED OUT ELECTRICAL COMPONENTS REMOVAL AND REPLACEMENT FIGURE 59 Ð TEMPERATURE LIMITERFIGURE 60 Ð OUTDOOR FROST THERMOSTAT SCREWS FIGURE 58 Ð ESCUTCHEON REMOVALFIGURE 61 Ð COMPONENT LOCATIONS IN OPEN CONTROL BOXFAN MOTOR TROUBLESHOOTING FAN MOTORBASIC FAN MOTOR ELECTRICAL TESTS FIGURE 62 Ð TWO-SPEED,PERMANENTFIGURE 63 Ð FAN MOTOR TROUBLESHOOTING CHART TYPICAL 208/230 VOLT MOTORSTYPICAL 265 VOLT MOTORS FIGURE 64 Ð TYPICAL 52S FAN MOTORSFAN MOTOR REPLACEMENT RemovalFIGURE 65 Ð SPRING CLIP FIGURE 66 Ð REMOVING OUTDOOR FAN FROM MOTOR SHAFTFIELD TEMPERATURE CHARTS See Figures 67 - 82 for eld temperature data52S SERIES Page 52S SERIES Page 52S SERIES Page 52S SERIES Page 52S SERIES Page 52S SERIES Page 52S SERIES Page 52S SERIES WIRING SCHEMATICS located next to the unit control box52S SERIES Ð CapacitorPage 52S SERIES Ð CapacitorPage MOST FREQUENT PTAC SERVICE QUESTIONS No, only for use on remote control RC modelsBy using a slinger ring to evaporate the water on the outdoor coil, and by using an optional acces