Environics 6103 Service Manual

Ozone transfer standard multi-gas calibrator
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Model 6103
OZONE TRANSFER STANDARD
MULTI-GAS CALIBRATOR
Service Manual
Rev 4
9JANUARY2009
Software rev. 1.37-XX
Environics, Inc.
69 Industrial Park Road East
Tolland, CT 06084-2805 USA
Phone (860) 872-1111
Fax (860) 870-9333
www.environics.com
JANUARY 2009

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Summary of Contents for Environics 6103

  • Page 1 Model 6103 OZONE TRANSFER STANDARD MULTI-GAS CALIBRATOR Service Manual Rev 4 9JANUARY2009 Software rev. 1.37-XX Environics, Inc. 69 Industrial Park Road East Tolland, CT 06084-2805 USA Phone (860) 872-1111 Fax (860) 870-9333 www.environics.com JANUARY 2009...
  • Page 2 6103 Service manual changes Manual Software Manual ision Revision Release Enhancements Date 1.31-03 11/5/2002 Initial release 4/15/2003 1.33-01 Added this page to log changes, changed software Revision on cover page. 9/12/2003 1.35-02 Modified ozone calibration procedure to account for automatic pump control.
  • Page 3: Table Of Contents

    ADC 11, ozone generator pressure ADC 13, ozone block temperature Password protection PCB FUNCTION AND TEST POINTS 20-28 TROUBLESHOOTING 29-38 TEST POINT WAVEFORMS 39,40 PCB ASSEMBLY DRAWINGS 42-48 PCB SCHEMATICS 49-57 P&ID (PIPING AND INSTRUMENTATION DIAGRAM) JANUARY 2009 6103 SERVICE MANUAL...
  • Page 4 LIST OF ILLUSTRATIONS ILLUSTRATION TITLE PAGE # Internal layout Internal layout, hinged panels down Fan filter assembly Removing photometer tube MFC illustration drawing Power cable Piping and instrument diagram JANUARY 2009 6103 SERVICE MANUAL...
  • Page 5: Internal Layout

    INTERNAL LAYOUT JANUARY 2009 6103 SERVICE MANUAL...
  • Page 6: Internal Layout

    20. Photometer cycling valve V2. This valve cycles back and forth between a reference gas and ozone-containing sample. 21. Keypad ribbon cable 22. Photometer pump assembly, longevity up to 10,000 hours. 23. Display and keypad interface PCB (PC406) 24. Front panel JANUARY 2009 6103 SERVICE MANUAL...
  • Page 7 JANUARY 2009 6103 SERVICE MANUAL...
  • Page 8: Periodic Maintenance

    The smooth ID of the tube will allow the debris to be removed easily. To remove the photometer tube, loosen the knurled knob on the lamp end of the photometer bench by rotating counter clockwise. After reinstalling the tube, run the leak test. REMOVING PHOTOMETER TUBE KNURLED NUT JANUARY 2009 6103 SERVICE MANUAL...
  • Page 9: Leak Test

    ROUTINE MAINTENANCE (CONTINUED) LEAK TEST The 6103 has an automated Leak Test function, to determine if the system has any internal leaks. To run the Leak Test: 1. Be sure there is a source of gas connected to Port 1 at 25 PSIG.
  • Page 10: Adjusting Photometer Ref/Samp Intensities

    5. Perform steps 3 and/or 4 until the intensity values are within the range of 500K to 850K. 6. If the locations for the sample and reference frequencies are filled with asterisks, then the INTEG time is set to high. Lower the INTEG TIME value to recover. JANUARY 2009 6103 SERVICE MANUAL...
  • Page 11: System Mode (System Calibration)

    6. Connect air or nitrogen to Port 1 for MFC1 and Port 2 for MFC2. Adjust the input pressure to approximately 25 PSIG. Connect the OUTPUT PORT of the 6103 to a suitable flow standard. Environics’ calibration is NIST traceable, using a primary flow standard accurate to .2% of reading.
  • Page 12 The span (full scale) of the MFC has been factory adjusted to generate 100% to 103% of set-point. The reference temperature used on the Environics’ flow standard is 77 F(25 C). The MFC span potentiometer is accessed through the top of two holes on the back of the MFC case;...
  • Page 13: Flow Verify Mfc Individually

    V2 and the pump, refer to P&ID on page 58. Two output ports and the vent port must be capped. Supply the flow standard from the remaining output manifold port. SPAN ADJUSTEMENT ZERO ADJUSTEMENT MFC ILLUSTRATION DRAWING JANUARY 2009 6103 SERVICE MANUAL...
  • Page 14: Photometer Calibration

    MFC1, zero for MFC2, zero for ozone and press START, being sure that at least one liter of gas vents. This assumes that the external photometer will draw 2 LPM or less. The 6103 photometer will draw 2 LPM as well. If the external photometer draws more than 2LPM, increase MFC1 flow accordingly.
  • Page 15 * Current GAIN is found in the CALIBRATE PHOTO mode in the SYSTEM mode. 10. Enter the new GAIN into the CALIBRATE PHOTO screen of the 6103 and save. 11. Exit back to the FLOW mode and verify the existing ozone point and two other points equally spread out in the range of calibration.
  • Page 16: Ozone Generator Calibration

    11 points. 1. Connect zero air, at 25 PSIG, to Port 1 and the Reference Port of the instrument. The 6103 will use the internal photometer, which must be within its certification period, to calibrate the ozone generator.
  • Page 17 10%, 50% and 100%, using the same total flow rate used during the collection of calibration data points. Allow the ozone concentration level to stabilize before accepting the reading from the photometer. Repeat for all verification points. IMPORTANT: Using the MENU key, make sure 03_CTRL is OFF. JANUARY 2009 6103 SERVICE MANUAL...
  • Page 18: Adc Calibrations

    SYSTEM mode. Select CALIBRATE ADC Enter 04. NOTE: This is the 6103 ADC cal table for the temperature sensor circuit on the PC415. The live reading (ADC 04 RESP) in this table is a voltage. The voltage times a factor of 10 is the temperature in degrees C.
  • Page 19: Adc 06, Photometer Gas Pressure

    SYSTEM mode. Select CALIBRATE ADC. Enter 6. NOTE: This is the 6103 ADC cal table for the pressure transducer circuit on the PC415. The live reading (ADC RESP) in this table is a voltage and the scale of the circuit is 0 to 5 VDC for 0 to 30 PSIA. The live reading should normally be between 2.3 and 2.5 VDC (13.8 to 15 PSIA)
  • Page 20: Adc 07, Photometer Gas Temperature

    A temperature meter with exposed junction thermocouple will be best. Remove the photometer tube from the 6103 under test. 2. From one of three main menus, on the 6103 front panel, select the SYSTEM mode. 3. Select CALIBRATE ADC 4.
  • Page 21: Adc 11, Ozone Generator Pressure

    A certified pressure standard will be necessary for this calibration. Ensure that the VENT port is open to atmosphere. 2. From one of three main menus, on the 6103 front panel, select the SYSTEM mode. 3. Select CALIBRATE ADC.
  • Page 22: Adc 13, Ozone Block Temperature

    The value fed back from this ADC does not impact the photometer reading. 1. From one of three main menus, on the 6103 front panel, select the SYSTEM mode. 2. Select CALIBRATE ADC 3.
  • Page 23: Password Protection

    4. EXIT back out of the SYSTEM mode and press the SYSTEM key. A prompt should appear for a password entry. 5. Enter the previously selected 4 digit numeric password to verify the process. 6. Once the password is entered, entry into the SYSTEM mode should be automatic. JANUARY 2009 6103 SERVICE MANUAL...
  • Page 24: Pcb Function And Test Points

    V1 and V2, reference P&ID on the last page of this manual. PC401 TEST POINTS As this PCB was not designed or is not manufactured by Environics, and contains digital circuitry, there are no test points available. PC406 FUNCTION (KEYPAD INTERFACE AND DISPLAY PCB)
  • Page 25 PC410 TP5&TP7 on page 39. This test point represents the lamp waveform exiting step-up transformer T1. The waveform should look like the diagram labeled PC410 TP6&TP8 on page 39. Reference TP5. Reference TP6. JANUARY 2009 6103 SERVICE MANUAL...
  • Page 26 0- 30 PSIA. Note, this value is an uncalibrated value. It is fed through a calibration table (ADC 11) for a more accurate display purposes and pressure correction. TP18(+10V) +10 VDC steady state. () Values in parenthesis are as seen on the PCB silkscreen. JANUARY 2009 6103 SERVICE MANUAL...
  • Page 27 When commanding flow, the measurement of this test point should equal TP2 as long as the MFC is flowing and controlling properly. TP5, TP6 For MFC3; A third MFC is currently not available in the 6103 TP7(VREF) +5.00 VDC steady state. JANUARY 2009...
  • Page 28 Ground test point for negative (black) meter lead when measuring TP16. TP18(PGND) Ground test point for negative (black) meter lead when measuring TP19. TP19(+24) +24 VDC steady state. () Values in parenthesis are as seen on the PCB silkscreen. JANUARY 2009 6103 SERVICE MANUAL...
  • Page 29 P&ID on the last page of this manual. Not all photometer flow passes through the flow meter, however, the total photometer flow (2 LPM) is calculated based on the ratio setup by the bypass. JANUARY 2009 6103 SERVICE MANUAL...
  • Page 30 +5.00 VDC steady state. TP14(PGND) This is the power (+24VDC) ground test point for the negative (black) meter lead when measuring the +24 VDC test point TP15. () Values in parenthesis are as seen on the PCB silkscreen. JANUARY 2009 6103 SERVICE MANUAL...
  • Page 31 To use a Status Output to provide a “powered” 24 volt output (to drive a relay for example), connect the inputs for the device you are controlling to the desired STATUS OUTPUT pin, and to +24 VOLTS. JANUARY 2009 6103 SERVICE MANUAL...
  • Page 32 This is the power (+24VDC) ground test point for the negative (black) meter lead when measuring the +24 VDC test point TP5. TP5(+24) +24 VDC steady state. () Values in parenthesis are as seen on the PCB silkscreen. JANUARY 2009 6103 SERVICE MANUAL...
  • Page 33: Troubleshooting

    TROUBLESHOOTING POWER PROBLEMS SOLUTION • Check power cord connection and System display does not come up power source voltage. Environics and front panel power switch is recommends the use of a power not illuminated. conditioner. • Check fuses in power entry module on rear panel and replace if necessary.
  • Page 34 MFC in the system mode to ensure that the values have not changed from the last calibration. Environics sends a hardcopy of all data for reference. These values may be slightly different if a follow-up calibration has been done by the customer.
  • Page 35 PC412 steady state voltages. Follow previously recommended INDICATIONS: concentration is to high procedure (in POWER PROBLEM (MFC2 saturated) or concentration is section) if voltages are not correct. to low (MFC1 saturated). • Replace MFC. JANUARY 2009 6103 SERVICE MANUAL...
  • Page 36 PC412. This voltage should be 5 VDC. Also, make sure that all ozone calibration data (SYSTEM MODE) is valid and consistent with either the data generated by the last calibration or the hardcopies supplied by Environics for the factory calibration. JANUARY 2009 6103 SERVICE MANUAL...
  • Page 37 If the system is not used on a daily basis, drift will be more common. Environics recommends that during the power up period, the system be run with ozone to help condition the plumbing and burn in the lamp. A 1 hour period is recommended.
  • Page 38 If so, proceed to troubleshooting section for photometer problems. • Check ozone block temperature and pressure test points as outlined in the ozone drift section. JANUARY 2009 6103 SERVICE MANUAL...
  • Page 39 PC401 and V2. Measure the DC resistance of V2. The resistance should be approximately 80 ohms. If resistance is good, PC401 high current driver circuit may be bad or solenoid valve plunger is stuck. Replace PC401 or valve. JANUARY 2009 6103 SERVICE MANUAL...
  • Page 40 Replace PC401 or valve. • If in the flow or concentration mode and ozone is being generated by the 6103, most of the items in the section above apply, except for V1 and the SAMPLE IN port. • Ozone generator is not functioning.
  • Page 41 Ensure that the gas pressure on the REFERENCE port is between 20 and 30 PSIG. • Insufficient gas for 6103 photometer. Make sure that 2 LPM is considered for the photometer when delivering gas to external analyzers.
  • Page 42 1. Be sure to use a grounding strap when handling electronics. 2. When troubleshooting, never unplug either valve V1 or V2 with the power 3. These are general guidelines for Troubleshooting, contact Environics technical services for additional help on system problems.
  • Page 43: Test Point Waveforms

    TEST POINT WAVEFORMS PC406 TP3 2 V/div PC410 TP5 &TP7 10 V/div PC410 TP5 &TP7 50 V/div JANUARY 2009 6103 SERVICE MANUAL...
  • Page 44 TEST POINT WAVEFORMS (CONT.) PC415 TP16 &TP17 10 V/div PC415 TP19 500 mv/div PC416 TP3 2 V/div JANUARY 2009 6103 SERVICE MANUAL...
  • Page 45: Power Cable

    The object is to verify that the signal generated by these test points is similar to that seen in the graph. PIN NUMBER VOLTAGE +15 VDC -15 VDC +5 VDC +24 VDC POWER CABLE DIAGRAM JANUARY 2009 6103 SERVICE MANUAL...
  • Page 46: Pcb Assembly Drawings

    PC406 JANUARY 2009 6103 SERVICE MANUAL...
  • Page 47 PC410 SOLDER SIDE JANUARY 2009 6103 SERVICE MANUAL...
  • Page 48 PC410 COMPONENT SIDE JANUARY 2009 6103 SERVICE MANUAL...
  • Page 49 PC412 JANUARY 2009 6103 SERVICE MANUAL...
  • Page 50 PC414 JANUARY 2009 6103 SERVICE MANUAL...
  • Page 51 PC415 JANUARY 2009 6103 SERVICE MANUAL...
  • Page 52 PC416 JANUARY 2009 6103 SERVICE MANUAL...
  • Page 53: Pcb Schematics

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  • Page 62: P&Id (Piping And Instrumentation Diagram)

    JANUARY 2009 6103 SERVICE MANUAL...

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