Manuals / Bacharach / Household Appliance / Carbon Monoxide Alarm

Bacharach 24-9351 manual Disassembly, 1.Disassembling the Analyzer

Models: 24-9351

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Maintenance

PCA

6.2 Disassembly

Perform the following when a maintenance procedure calls for removing the case, printed circuit board, pump, or sensors:

1.Remove the batteries (Section 3.2.1)

2.Place the analyzer face down on a work surface, then remove the unit’s four rear-case screws.

3.Carefully lift the rear case from the analyzer, unplug the battery compartment wires, then place the rear housing on a work surface (see Figures 6-1 & 6-2).

BATTERY

WIRES

Figure 6-1. Disassembling the Analyzer

6-2	Instruction 24-9351

Page 62

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Bacharach 24-9351 manual Disassembly, 1.Disassembling the Analyzer

Contents

INSTRUCTION Operation & MaintenancePortable Combustion Analyzer PCA Rev. 11 – MayInstruction Register Your Warranty by VisitingWARRANTY NoticeContents CALIBRATION Figure 1-1.PCA 1.0INTRODUCTION1.1The Portable Combustion Analyzer 1.2 Displayed Data PCA 15 & 45 with Draft 1.3 Sensor ConfigurationsPCA 10 & PCA 20 & 50 with Carbon Monoxide MeasurementPrintout Capability Advanced PCA Model FeaturesPCA 35 & 65 with Draft, CO & NX The PCA Computes and Displays 2.0 TECHNICAL CHARACTERISTICSThe PCA Directly Measures and Displays Standard Fuels** Available forFront Panel Controls Normal Operating ConditionsPerformance Weight Power RequirementsDimensions DisplayAgency Approvals EquationsFigure 3-1.Battery Replacement 3.0SETTING UP THE PCA3.2 Power 3.1Scope3.3 Connecting the Probe 3.2.2 Using the Optional Power SupplyInstruction Figure 3-2.Connecting the Probe to the AnalyzerSetup Parameters 3.4 Configuring the PCAFunction To Change4.0OPERATION 4.1Key Pad Functions4.2 Sampling Hole Location Figure 4-1.Sampling Hole Location10minutes 4.3 Combustion Test4.3.1Analyzer Turn On and Warm Up 4.3.2 Installing Probe in the Stack Figure 4-2.Installing the Probe4.3.3 Performing a Combustion Test 4.3.4 Ending a Combustion TestPURGING CO SENSOR Turn off the analyzer by pressing the key– 2.25 MB 4.4 Differential Pressure MeasurementDRAFT HOT SPOTFront Panel Key Functions 4.5 Warmup ScreenBACHARACH, INC PCA WARMUP yy Front Panel Key Functions 4.6 Sensor Status ScreenBACHARACH, INC. PCA WARMUP 0 z PCA models 30, 35, 60, & Combustion Test ScreenPCA models 10–25, 40–55 Xs XXXX appear in the displayFUEL 4.8 Fuel Selection Screen«NATGAS KOKS4.9 Draft Screens Front Panel Key FunctionsMEMORY DIRECTORY «M8 28.7.97 15:45 4.10 Memory Directory Screen‘Standard’ PCA Screen M9 MEMORY EMPTY CLEAR MEMORYFor ‘Advanced’ PCA Models 40, 45, 50, 55, 60 & Figure 4-4.Connecting the Serial Data Cable4.11 Memory to PC Screen MEMORY TO PC «TRANSMIT DATA CLEAR MEMORYCLEAR MEMORY Front Panel Key FunctionsData Name or Value TABLE 4-1. COMMA-DELIMITEDFIELDSField Label in ColumnSETUP ID #1 « 4.12 ID Setup ScreensSETUP «ID #1 ID #2 ID #3 “spaceABCDEFGHIJKLMNOPQRSTUVWXYZüäöß0123456789”– Increment character – Decrement character Front Panel Key Functions 4.13 Temperature Setup ScreenSETUP TEMPERATURE UNIT «C F Front Panel Key Functions 4.14 Draft Unit Setup ScreenSETUP DRAFT UNIT «MB PA WC SETUP LANGUAGE DEU FRA «ENG ITA ESP POL 4.15 Language Setup ScreenSETUP LANGUAGE DAN NED DEU SVE «ENG FIN Front Panel Key FunctionsFor PCA Models 30, 35, 60 & 4.16 Display Mode Setup ScreenSETUP DISPLAY «CO NX CU NU Front Panel Key FunctionsFront Panel Key Functions 4.17 Time/Date Setup ScreenSETUP «TIME 15:45:06 DATE Front Panel Key Functions 4.18 Printer Setup ScreenSETUP «IR - HP PRINTER IR - IRDA RS232 Front Panel Key Functions 4.19 Maintenance Password ScreenMAINTENANCE «PASSWORD Front Panel Key Functions 4.20 Maintenance ScreenMAINTENANCE «CALIBRATION USER NAME USER NAME LINE « 4.21 User Name ScreensUSER NAME «LINE 1 LINE 2 LINE “spaceABCDEFGHIJKLMNOPQRSTUVWXYZüäöß0123456789”DRAFT DRAFT – 0.25 MB HOT SPOT 190 C P «S 4.22 Saving Test Data20.0 12 HLD When using an infrared printer4.23 Printing Test Data DRAFT –SerialDataCable PartNo.24-1073 When using a serial printerRS-232Connector 4.24 Clear Memory Screen 4.25 Resetting the MicroprocessorFigure 4-7.Reset Button CLEAR MEMORY C «EInstruction NOTESOperation 5.0 CALIBRATION 5.1 Sensor CheckMaterial Required Procedure5.2 Calibration Fixtures Figure 5-1.Calibration FixturesTL-SPANDRAFT 5.3 Calibrate Menu Screen«TA-ZEROCALIBRATE TA-SPANNX TL-ZEROCO Front Panel Key FunctionsProcedure 5.4 Calibrate TA-ZeroCALIBRATE TA-ZERO MEASURED 3.0C APPLIED 0000.0C Material RequiredProcedure 5.5 Calibrate TA-SpanCALIBRATE TA-SPAN MEASURED 295.0C APPLIED 0300.0C Material RequiredProcedure 5.6 Calibrate TL-ZeroCALIBRATE TL-ZERO MEASURED 3.0C APPLIED 0000.0C Material RequiredProcedure 5.7 Calibrate TL-SpanCALIBRATE TL-SPAN MEASURED 102.0C APPLIED 0100.0C Material RequiredTypical Calibrate NX Screen During Calibration Using 100 ppm Nitric Oxide Calibration Gas5.8 Calibrate NX CALIBRATE NXCALIBRATE CO 5.9 Calibrate COFor PCA Models 20, 25, 30, 35, 50, 55, 60 & 0500CALIBRATE H2 TEST GAS CO/H2CO-VALUEXXXX ENTER CO-VALUE 1050CALIBRATE 5.10 Calibrate DraftFor PCA Models 15, 25, 35, 45, 55 & 9.00Instruction NOTESCalibration 6.0MAINTENANCE 6.1Routine Maintenance6.2 Disassembly Figure 6-1.Disassembling the AnalyzerInstruction Figure 6-2.Rear View of the PCB and SensorsMaintenance Procedure 6.3 Cleaning the ProbeEquipment Required Drain the water condensate after every use 6.4 Water Trap/Filter Assembly MaintenanceFigure 6-3.Water Trap/Filter Assembly ProcedureEquipment Required 6.5 Replacing the Particulate FilterProcedure Equipment Required 6.6 Replacing the Oxygen SensorProcedure Procedure 6.7 Replacing the Nitric Oxide Sensor6.7.1 Replacing the Nitric Oxide Sensor Filter ProcedureBias removed for ProcedureEquipment Required Stabilization timeFor PCA Models 20, 25, 30, 35, 50, 55, 60 & 6.8 Replacing the Carbon Monoxide SensorProcedure Equipment RequiredMaintenance 6.8.1 Replacing the Carbon Monoxide Sensor FilterProcedure InstructionEquipment Required 6.9 Replacing the Pump AssemblyProcedure 7.0TROUBLESHOOTING 7.1Analyzer Repair7.2 Error Codes Fault 7.3 Troubleshooting GuideTABLE 7-1.TROUBLESHOOTING GUIDE O2-SENSORERROR code apNX-SENSORERROR code ap TABLE 7-1.TROUBLESHOOTING GUIDE ContFault CO-SENSORERROR code ap“- - - -”appears in one or more value Backlight won’t turn on 8.0PARTS & SERVICE 8.1Replacement PartsOPTIONAL ACCESSORIES 8.2 AccessoriesSTANDARD ACCESSORIES DescriptionParts & Service Figure 8-1.Replacement Parts2 1 3 Instruction23 24 21 Figure 8-2.Replacement PartsParts & Service 14 15 10 12 13 2220 18 Figure 8-3.Replacement PartsParts & Service InstructionParts & Service 8.3 Sales/Service CentersSales/ServiceCenter - Denmark UnitedStates CaliforniaInstruction APPENDIX A Display Screen TranslationsAppendix A Danish EnglishGerman FrenchSwedish PolishDutch FinnishDanish EnglishGerman FrenchDutch ItalianPolish SwedishDanish EnglishGerman FrenchDutch PolishItalian SwedishDanish EnglishGerman FrenchDutch PolishItalian SwedishA-10 NOTESAppendix A InstructionGerman APPENDIX B – Printout TranslationsEnglish DanishPolish FrenchSpanish Draft OnlySwedish ItalianDutch Combustion Test DataDraft Only Finnish FINCombustion Test Data Appendix BInstruction Printed in U.S.A World Headquarters621 Hunt Valley Circle, New Kensington, PA