Manuals / Teledyne / Household Appliance / Carbon Monoxide Alarm

Teledyne Routine Maintenance, Model 300M Maintenance Schedule, 1 Maintenance Schedule, 11-1

Models: 300M

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Page 113

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Teledyne API Model 300M CO Analyzer Instruction Manual, 04033, Rev. A

11 ROUTINE MAINTENANCE

NOTE

The operations outlined in this chapter are to be performed by qualified maintenance personnel only.

11.1 Model 300M Maintenance Schedule

The following are the recommended periodic maintenance items for the Teledyne API Model

300M CO Analyzer:

Table 11-1: Maintenance Schedule

Date Instrument Received _____________

Item

JAN

FEB

MAR

APR

MAY

JUN

JUL

AUG

SEP

OCT

NOV

DEC

Recommended Action

Particulate

Replace weekly or as

filter element

needed

Pump

Replace every 12

diaphragms

months

Sample flow

Check for proper flow

(800cc/min ± 20%)

annually

Perform annually as

Dark Cal

needed, or after

adjusting R7 on Sync-

Demod board.

Pneumatic

Examine and clean as

lines

necessary

Leak Check after

Leak Check

maintenance or repair

and at least annually

Clean optical

As needed

bench

11-1

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Teledyne Routine Maintenance, Model 300M Maintenance Schedule, 1 Maintenance Schedule, 11-1, Date Instrument Received

Contents

TOLL-FREE FAX TEL T-API 6565 NANCY RIDGE DRIVE SAN DIEGO, CAMODEL 300M CARBON MONOXIDE ANALYZER 04033and in the manner described in this manual SAFETY MESSAGESThe analyzer should only be used for the purpose LIST OF FIGURES TABLE OF CONTENTSLIST OF TABLES VIII4 SETUP MODE 3 PERFORMANCE TESTING5 DIAGNOSTICS 6 HANDLING WARNINGS10 TROUBLESHOOTING 9 ADJUSTMENTS8 CALIBRATION 10-112 SPARE PARTS LISTS 11 ROUTINE MAINTENANCE12-1 232 INTERFACELIST OF FIGURES viii LIST OF TABLESWARRANTY POLICY 02024c 1.2 Warranty1 INTRODUCTION 1.1 PrefaceTERMS AND CONDITIONS 1.3 Principle of Operation Figure 1-1 Pneumatic Diagram 1.4 Specifications Leak check all fittings with soap solution 1.5 Installation and Overviewlift and carry the Model 300M suitable vent outside the analyzer areaPower plug must have ground lug Page Figure 1-2 Carbon Monoxide Analyzer 1-10 1.6 Electrical and Pneumatic Connections 1.6.1 Electrical Connections1.6.2 Remote Contact Closures Zero/Span Inputs 1.6.3 Status Outputs Optional1.6.5 Pneumatic System 1.6.4 RS-232Table 1-1 Status Outputs 1-121.6.7 Zero/Span Valve Connections 1.6.6 Sample Gas Connection1.6.8 Exhaust Connections sample gas connections1-14 Figure 1-4 Rear Panel Pneumatic Connections1-15 1.7 Operation Verification1-16 Table 1-2 Final Test and Calibration ValuesFactory Installed Options Option Installed1.8.1 Rack Mount With Slides 1.8 Options1.8.2 Span Valve 1-171-18 INTENTIONALLY BLANK2.1.3 E2ROM Backup Of Software Configuration 2.1 Key Features2 OPERATION 2.1.1 CO ReadoutTable 2-1 Password Levels 2.1.7 Password Protection2.1.5 Data Acquisition DAS 2.1.6 RS-232Interface2.2.1 Front Panel Display 2.2 Front PanelFigure 2-1 Model 300M Front Panel Meaning Table 2-2 System ModesMode Meaning Table 2-3 Test MeasurementsTest Message Table 2-4 Warning Messages 2.2.2 Programmable Push ButtonsFigure 2-2 Illustration of Normal Display 2.2.3 Status LED’sMeaning Table 2-5 Status LED’sState INTENTIONALLY BLANK 2-103.1 Manual Zero/Span Check 3 PERFORMANCE TESTING3.1.1 Zero Check span gas into the analyzer3.1.2 Span Check 3.1.3 Dual Range Calibration 3.3 Zero/Span Valves Option 3.2 Span Valve Option3.4 Automatic Zero/Span Check The programmed start time must be a minimum of see Section 4.3 and 4.4 for setting present time5 minutes later than the present time compute the carbon monoxide readingPage Table 3-1 Calibration Controls to be established least3.8 Power-OnHold Off 3.7 Remote Zero/Span Check or Adjustment RS-2323.9 Hold Off 3-104.1 Setup Mode Operation 4 SETUP MODE4.5 Adjusting the Clock Speed 4.3Setting the Time-of-Day4.4 Setting the Date 4.6.1 Single Range Mode SNGL 4.6 Setting the CO Concentration Range4.6.2 Dual Range Mode DUAL 4.6.3 Auto Range Mode AUTO4.8 Setting the RS-232Baud Rate 4.7 Setting the Analog Output Offset4.9 Setting the Analyzer I.D 4.10 Disabling the Calibration Password4.11.1 Data Channels 4.11 Data Acquisition System DAS4.12 Software Configuration 4.13.1 Summary of Setup Functions 4.13 Gas AlarmsDefault Table 4-1 Setup FunctionsButton Sequence FunctionDefault Table 4-1 Setup Functions ContinuedButton Sequence FunctionINTENTIONALLY BLANK 4-105.1 Test Measurements 5 DIAGNOSTICSTable 5-1 Diagnostic Tests 5.2 Diagnostic Teststable continued 5.2.1 Signal I/OTable 5-2 I/O Signals Signal Table 5-2 I/O Signals Continuedtable continued ControlSignal Table 5-2 I/O Signals Continuedtable continued ControlTable 5-2 I/O Signals Continued 5.2.2 Analog Output Test5.2.3 Electric Test Table 5-3 M300M Variables 5.3 M300M Internal VariablesINTENTIONALLY BLANK 6 HANDLING WARNINGS INTENTIONALLY BLANK 7 RS-232COMMUNICATIONS Table 7-1 RS-232Port Setup - Front PanelTable 7-2 RS-232Message Types 7.1 DAS ReportingPage 7.2 Warnings Warning Message Cleared Table 7-3 RS-232Warning Message Clear CommandsCommand Table 7-4 Status Reports 7.3 Status/Controlwhen the analyzer is in the sample mode Table 7-5 Control CommandsTable 7-6 Diagnostic Commands 7.4 DiagnosticsTable 7-7 Diagnostic Reports the analyzer is in sample mode7.5 Test Measurements 7-10 Table 7-8 Test Measurement Request CommandsCommand Test Measurement7-11 7.6 Viewing and Modifying Variables7-12 Table 7-9 RS-232Variable Names8.1 Required Equipment and Gas Standards 8 CALIBRATIONFigure 8-2 Inlet Venting Recommendations Figure 8-1 Gas Generation SystemQv × L = Qa × D 8.2 Multi-PointCalibration8.2.1Procedure Page Page 8.3 Zero/Span Checking INTENTIONALLY BLANK 9.1.1 Box Temperature Limits 9 ADJUSTMENTS9.1 Power Supply Board Adjustment Figure 9-1:M300M Electrical Block Diagram the value on the voltmeter will remain constant 9.2 A/D - D/A Calibration ProcedurePage 9.4 Output Voltage Range Changes 9.3 Dark Current Signal Adjust ProcedureTo adjust analog recorder offset, see Section 9.5 Flow Readout Adjustment 9.7 CPU 9.6 DC Power SupplyINTENTIONALLY BLANK 10-1 10 TROUBLESHOOTING10.1 Overview 10-2 10.2.1 Checking the Power Sub-Systems10.2.2 Checking the CPU and Display 10.3 Troubleshooting Using Warning Messages10.2.3Checking the Keyboard 10-310-4 Table 10-1 Warning MessagesWarning Message Meaning10-5 10.4 Troubleshooting Using Test Function Values10-6 Table 10-2 Test Function ValuesTest Function Meaning10.5.1Noisy or Unstable Readings at Zero 10.5 Troubleshooting Dynamic Problems10.5.2Noisy, Unstable, or Non-LinearSpan Readings 10.5.3Slow Response to Changes in Concentration10.5.5Cannot Zero or Cannot Dynamic Zero 10.6.1 Troubleshooting Flow Problems10.5.6Cannot Span or Cannot Dynamic Span 10-8Flow is zero Hazardous voltages present - use cautionLow Flow High FlowSample Temperature 10.6.2 Troubleshooting Temperature ProblemsOptical Bench Temperature Gas Filter Wheel TemperatureHazardous voltages present - use caution 10.6.3 Checking the V/F Card10-11 10-12 Table 10-3 V/F Board Jumpers - Factory Settings10-13 10.6.3.1 Analog Inputs10.6.3.2 Digital to Analog Converters 10-14 10.6.4 Checking the DC Power Supply Board10.6.3.3 Digital I/O Lines 10-15 10.6.5 Checking the Synchronous Demodulator BoardFigure 10-1 Opto Pickup Waveform 10.6.6 Checking the Opto InterrupterFigure 10-2 Detector Waveform 10-1610-17 10.6.7 Flow/Pressure Sensor10-18 10.7 Warranty/Repair Questionnaire11.1 Model 300M Maintenance Schedule 11 ROUTINE MAINTENANCETable 11-1 Maintenance Schedule 11-111.3.1 Using a Leak Checker 11.2Replacement of Sample Filter11.3Leak Checking Do not exceed 15 PSI of pressure11.3.2 Leak Self Test the solution may enter and contaminate the cellvacuum. This may cause damage to the analyzer Use only bubbles, not liquidINTENTIONALLY BLANK 11-412-1 12 SPARE PARTS LISTS12.1 Spare parts for CE Mark units 12.3 Model 300M Spare parts kit for one unit 12.2 Model 300M Expendables kitIncludes 12-2Includes 12.4 Model 300M Level 1 parts kit for ten units12-3 Signal ConnectorsCables & Adapters come in 4 general types 12-412-5 Wiring12-6 Troubleshooting the modem connectionENABLE MODEM TRANSMISSION Drawing Number APPENDIX B Electrical drawing indexTitle 12-7