Environics 6103 Manuale utente
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
6103 Service manual changes
Manual
Revision
#
Software
Revision
#
Manual
Release
Date Enhancements
11.31-03 11/5/2002 Initial release
21.33-01 4/15/2003 Added this page to log changes, changed software Revision on cover page.
3 1.35-02
9/12/2003 Modified ozone calibration procedure to account for automatic pump control.
Also, ozone calibration procedure is now done in the calibrate ozone mode
Versus the flow mode.
4 1.37-01 1/9/09
Changed range for samp/ref intensities to 500K - 850K
6103 SERVICE MANUAL JANUARY 2009
i
SERVICE MANUAL
TABLE OF CONTENTS
FEATURE PAGE
INTERNAL LAYOUT 1-3
PERIODIC MAINTENANCE 4-6
Cleaning the fan filter 4
Cleaning the photometer tube 4
Leak test 5
Adjusting photometer REF/SAMP intensities 6
SYSTEM MODE (SYSTEM CALIBRATION) 7-19
MFC flow calibration procedure 7,8
Flow verify MFC individually 9
Photometer calibration 10,11
Ozone generator calibration 12,13
ADC calibrations 14-18
ADC 04, photometer block temperature 14
ADC 06, photometer gas pressure 15
ADC 07, photometer gas temperature 16
ADC 11, ozone generator pressure 17
ADC 13, ozone block temperature 18
Password protection 19
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) 58
6103 SERVICE MANUAL JANUARY 2009
ii
LIST OF ILLUSTRATIONS
ILLUSTRATION TITLE PAGE #
Internal layout 1
Internal layout, hinged panels down 3
Fan filter assembly 4
Removing photometer tube 4
MFC illustration drawing 9
Power cable 41
Piping and instrument diagram 58
6103 SERVICE MANUAL JANUARY 2009
iii
1
6 7
5
10
3
4
2
8 9
11
12
16
15
13
14
17
18 19
20 21
22
23
24
INTERNAL LAYOUT
6103 SERVICE MANUAL JANUARY 2009
1
INTERNAL LAYOUT
1. Rear Panel
2. Fan assembly
3. Status I/O/solenoid valve driver PCB (PC416)
4. Solenoid valve manifold assembly
5. Photometer Photo detector PCB (PC414)
6. Photometer bench assembly
7. Photometer lamp and heated lamp block assembly
8. Photometer bench output fitting with gas temperature sensor
9. Photometer flow meter
10. Photometer PCB (PC415)
11. 115 watt switching power supply
12. Reaction chamber, output manifold and mixing chamber assembly
13. A/D and D/A analog interface PCB (PC412)
14. N/A
15. Component gas flow controller (MFC2)
16. Dilution/balance gas flow controller (MFC1)
17. Microcomputer board (PC401)
18. Isolation valve V1. This valve selects either an external source of ozone
or the internal source produced by the internal ozone generator.
19. Ozone generator including ozone analog PCB (PC410)
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
6103 SERVICE MANUAL JANUARY 2009
2
INTERNAL LAYOUT, HINGED PANELS DOWN
6103 SERVICE MANUAL JANUARY 2009
3
ROUTINE MAINTENANCE
CLEANING THE FAN FILTER
This procedure should be performed if the fan speed is noticeably slower or there
is a change in the color of the filter.
FAN FILTER ASSEMBLY
1. Locate the fan on the rear panel and remove the
fan filter retainer exposing the fan filter.
2. Remove the fan filter media.
3. To remove heavy build up, shake the filter
vigorously.
4. To remove the remaining light build up, use
compressed air.
5. Realign fan filter and reattach retainer.
CLEANING THE PHOTOMETER TUBE
Periodically remove the photometer tube to clean out any debris that has
collected on the ID of the tube. It is best to used compressed air to clean out the
tube. 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.
KNURLED NUT
REMOVING PHOTOMETER TUBE
6103 SERVICE MANUAL JANUARY 2009
4
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.
2. Select the LEAK function from the Main Menu, and then press START. The
software will acquire Atmospheric Pressure, and then prompt for the outputs
to be capped.
3. Cap the Output Manifold, Vent and Exhaust ports. Use the caps supplied
with the system.
4. Press OK. The Leak Test will fill the volume of the system plumbing with
gas from Port 1 to 5 PSIA above atmospheric pressure, and use pressure
decay to calculate the leak rate. Any leak in excess of the maximum leak
specification for the system (3 SCCM) will be displayed.
ADJUSTING THE PHOTOMETER SAMP/REF INTENSITIES
For the best photometer resolution, the sample and reference intensities should
be set for 500,000 to 850,000. The intensities can be seen in the PHOTO MODE
in the DETAIL screen selection. In the PHOTO mode, with the photometer pump
off, these intensities should be approximately the same. Each number updates
every 4 seconds. However, the update of each number is staggered by 4
seconds.
As the photometer lamp ages, it will be necessary to increase these intensity
values. To increase or decrease these values within the range outlined above,
perform the following:
1. From one of three main menus, enter the SYSTEM mode and scroll down to
CALIBRATE PHOTO. Use the ENTER key to select the mode.
2. Scroll down to the INTEG TIME field.
3. To increase the intensities, increase the INTEG TIME value in increments of
1ms to 5 ms. Each time you change the INTEG TIME and press the ACCEPT
key, the system will run a short internal calibration sequence and exit back to
the READY screen. Be careful not to change the OFFSET and GAIN values
in this mode, as this will affect the photometer accuracy. The OFFSET and
GAIN values are adjusted in the photometer calibration procedure in the next
section of this manual. Reenter the PHOTO mode to see the effect of the
changes.
6103 SERVICE MANUAL JANUARY 2009
5
ADJUSTING THE PHOTOMETER SAMP/REF INTENSITIES (CONTINUED)
4. To decrease the lamp intensity readings, decrease the INTEG using the same
process as outlined in step 3 above.
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.
6103 SERVICE MANUAL JANUARY 2009
6
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