Ametek 900 Operator's Manual
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Ametek 900 Operator's Manual

Ametek 900 Operator's Manual

Air demand analyzer, sulfur pit analyzer
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Model 900 Air Demand Analyzer
Model 930 Sulfur Pit Analyzer
Operator's Guide
With Essential Health and Safety Requirements
Canada
A DIVISION OF AMETEK PROCESS & ANALYTICAL INSTRUMENTS
Western Research
PN 903-8745, Rev. G

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  • Page 1 Model 900 Air Demand Analyzer Model 930 Sulfur Pit Analyzer Operator’s Guide With Essential Health and Safety Requirements Canada A DIVISION OF AMETEK PROCESS & ANALYTICAL INSTRUMENTS Western Research PN 903-8745, Rev. G...

  • Page 2: Offices

    Printed in Canada This manual is a guide for the use of the Model 900 Air Demand Analyzer (ADA) and Model 930 Sulfur Pit Analyzer. Data herein has been verified and validated and is believed adequate for the intended use of this instrument. If the instrument or procedures are used for purposes over and above the capabilities specified herein, confirmation of their validity and suitability should be obtained;...

  • Page 3: Table Of Contents

    Contents Offices ..........................ii Safety Notes ........................viii Electrical Safety ........................viii Grounding ........................viii Personnel and Equipment Safety Information ............. ix Warnings ........................ix Cautions ........................xi Warning Labels ......................... xii Environmental Information ................... xii UV Source Lamps Disposal .................... xii Electromagnetic Compatibility (EMC) ................. xiii Special Warnings and Information ................
  • Page 4 Start-Up and Verification ..................... 3-27 Purged Analyzers ....................3-28 Powering Up the Analyzer ..................3-30 Start-Up Diagnostic Checklist ................3-35 Sample System Leak Check .................. 3-38 Manually Zeroing the Analyzer ................3-40 iv | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 5 Setting the Zero Gas Flow Rate ................3-41 Setting the Sample Gas Flow Rate and Sample Response Time ..... 3-41 Normal Operation ......................3-42 Recording Initial Readings ..................3-42 Recording PMT Signals ..................3-42 Recording Initial Sample Response Time ............3-43 Analyzer Configuration ....................
  • Page 6 ASR900 Sample Probe Preventive Maintenance ..........5-55 Examining and Caring For the Flamepaths ............5-56 Disconnect Enclosure Flange Flamepath (Joining Surfaces) ......5-57 Heater Plate Flange Flamepath (Joining Surfaces)..........5-58 vi | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 7 Technical Support ......................6-1 Returning Equipment ..................... 6-2 ?? ANSWERS TO YOUR QUESTIONS ?? ..............6-3 AMETEK SERVICE and AFTERMARKET SALES SUPPORT ......6-3 Recommended Preventive Maintenance Spare Parts ..........6-4 Optical Bench/Measuring Cell Spare Parts ............6-4 Expo Technologies MiniPurge System With eTimer Spare Parts ....

  • Page 8: Safety Notes

    Instrument grounding is mandatory. Performance specifications and safety protection are void if instrument is operated from an improperly grounded power source. Verify ground continuity of all equipment before applying power. CAUTION viii | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 9: Personnel And Equipment Safety Information

    Personnel and Equipment Safety Information This section describes important safety information to avoid personal injury and damage to the equipment while installing, operating, maintaining, or servicing the equipment. All safety regu- lations, standards, and procedures at the analyzer location must be followed. All personnel involved with the installation, start-up, operation, maintenance, service, or trou- bleshooting of the analyzer must review and follow these Warnings and Cautions.
  • Page 10 See “Examining and Caring for the Flamepaths” in Chapter 5. Replace parts immediately if damage or wear is apparent. Contact AMETEK if there is any doubt about the integrity of any flamepath.

  • Page 11: Cautions

    Cautions Review and follow these Cautions to avoid damaging the equipment. The electronic circuit boards and other static-sensitive components should be stored and trans- ported in static-shielding carriers or packages. CAUTION For electrical-shock protection, the analyzer must be operated from a grounded power source that has a securely connected protective-ground contact.

  • Page 12: Warning Labels

    UV Source Lamps Disposal AMETEK recommends that all UV lamps – whether they are new, used, or damaged in any way – need to be disposed of in an environmentally safe manner. Most UV lamps do not contain restricted substances listed under the European RoHS 2 direc- tive.

  • Page 13: Electromagnetic Compatibility (Emc)

    CAUTION The various configurations of the Model 900 and Model 930 Analyzers should not produce, or fall victim to, electromagnetic disturbances as specified in the European Union’s EMC Directive (if applicable to your application).

  • Page 14: Special Warnings And Information

    Ex d glands or stopping boxes (seals) must be installed on flameproof enclosures and sealing glands must be used for connections made directly to the pressurized enclosure. xiv | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 15: Eu Declaration Of Conformity

    Markings: II 2 G Ex db eb ia pxb IIB T3 Gb (Model 9XX Purged Analyzers) II 2 G Ex db IIB T3 Gb (900 Series Heater Plate) II 2 G Ex db IIB T6 Gb (Disconnect Enclosure Type 200)
  • Page 16 The Netherlands ____________________________ Randy Meads Quality Assurance Manager Calgary, Alberta, Canada February 12, 2019 Canada A DIVISION OF AMETEK PROCESS & ANALYTICAL INSTRUMENTS Western Research Page 2 of 2 xvi | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 17: Warranty And Claims

    The warranty does not apply to used or secondhand equipment nor extend to anyone other than the original pur- chaser from us. Should the Buyer’s technical staff require the on-site assistance of AMETEK’s agents or employees for service calls covered by this warranty clause, the Buyer shall pay travel time plus actual travel and living expenses.
  • Page 18 This page intentionally left blank. xviii | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 19: Chapter 1 Overview

    OVERVIEW This chapter provides an overview of the various sub-systems that make up the AMETEK analyzer and its sample system, and where to find supplemental information for optional equipment. Overview | 1-1...

  • Page 20: About The Analyzer

    • Gas Measuring Cell (contained within an Oven). A pressure transduc- er monitors the pressure at the outlet of the Measuring Cell. • Two matched Photodetectors Figure 1-1. Analytical schematic. 1-2 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 21: Sample Flow

    Sample Flow The sample gas is drawn from the sample stream through the ASR900 Sample Probe and Sample Line to the dual-chambered Measuring Cell. The gas sample enters the first chamber, flows the length of the Measuring Cell, crosses to the second chamber, flows the length of the Measuring Cell in the opposite direction and exits the Measuring Cell.
  • Page 22 210 kPa (30 PSIG) is 30 L/min (1 SCFM). To avoid plugging problems within the probe, do not remove this fitting or replace it with a general purpose fitting. 1-4 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 23 Component Function Electronics Purge Components The Optical Bench Assembly, Measuring Cell seal, and the Electronics Enclosure are purged (Instrument Air, typically) to prevent contamination of the optical system and the electronics. Purge Air Regulator Controls the pressure available for an optics purge. Aspirator Pressure Gauge Use to set the air pressure to a nominal 105 KPAG (15 PSIG).
  • Page 24 Model 900 Piping and Instrumentation diagram (Zone 1).  Figure 1-2 is an example drawing only. Refer to Final “As-Built” draw- ings for your system in the analyzer Documentation Package. NOTE 1-6 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 25 Figure 1-3. Oven/Instrumentation layout (Div 2/Zone 1).  Figure 1-3 illustrates a typical Oven/Instrumentation layout for Div 2/Zone 1 analyzers. For your system, refer to Final “As Built” NOTE drawings in the analyzer Documentation Package. Overview | 1-7...

  • Page 26: Temperature Control System

    Ammonia salt on the Measuring Cell Windows (e.g., NDR reading increases steadily and does not dissipate during pro- longed Zeroing of the analyzer), increase the Measuring Cell Set Point to 155 °C. 1-8 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 27: Working In This Manual

    These reminders indicate related information about the topic, certain actions that See also “Troubleshooting are necessary before continuing with the current procedure, or information that and Diagnostics” in Chapter 5. is recommended by AMETEK.  User Interface Navigation icon: ...

  • Page 28: Supplemental Information - Where Can I Find It

    An “Operator Interface Quick Reference Sheet,” which lists all of the Function commands used to access analyzer parameters and other NOTE information from the User Interface is shipped on the inside of the analyzer’s Electronics Enclosure door. 1-10 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 29: Chapter 2 Specifications

    Multiple Wavelength, high resolution, non-dispersive ultraviolet. Standard Ranges Standard ranges are based on Measuring Cell length (expressed in cm). Typical cell lengths for Air Demand (Model 900) and Pit Gas (Model 930) Analyzers are 3.75, 5.0, 10.0, and 15.0 cm. Model 900/930:...

  • Page 30: Response Time

    1 % of full-scale of standard ranges  See Note (Re: "F is a constant...") under “Accuracy.” NOTE Calibration Generally not required. Field calibration not recommended, except by fac- tory trained technician. 2-2 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 31: Linearity

    COS, CS 1 % of full-scale of standard ranges Cross-Talk < 1 % SO full-scale on to H S (Model 900: excluding sulfur vapour) Cross-talk adjustments should be made by factory-trained service personnel only. CAUTION Temperature Drift (100 PPM / Cell length) / °C (200 PPM / Cell length) / °C...

  • Page 32: 24-Hour Zero Drift

    (includes 150 W for ASR900 Sample Probe; excludes Sample and Vent Lines). Supply Voltage 120 VAC (± 10 %), 47–63 Hz 240 VAC (± 10 %), 47–63 Hz 2-4 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 33: Status Relays

    Status Relays The analyzer uses three relays which indicate the operational status of the analyzer. Each relay provides a set of SPDT (Form C) dry (potential free) contacts. The relays are configured for fail-safe operation (i.e., energized for the non-alarm condition). Sample Gas Flow Rate 3.0–5.0 L/minute (0.1–0.2 SCFM) Ambient Limits...

  • Page 34: Cable Entry Ports, Type 200 Disconnect Enclosure

    Ex d plug. Approvals and Certifications The Model 900 ADA and Model 930 Analyzers are certified for indoor use only, Installation Category II (local level transients, less than those found at power distribution level), and Pollution Degree 2 (normally noncon- ductive environmental pollution occurs with occasional condensation).

  • Page 35: Atex And Iecex Certificates And Analyzer Markings

    For installation sites with potentially explosive atmospheres that require ATEX and IECEx certification, AMETEK’s ATEX and IECEx certificates for the Model 900/Model 930 Analyzers (and their markings) are included in the following pages. Purged Analyzers ATEX and IECEx Certificates and Markings...
  • Page 36 2-8 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 37 Specifications | 2-9...
  • Page 38 2019-02-05 2-10 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 39 Specifications | 2-11...
  • Page 40 2-12 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 41 Specifications | 2-13...
  • Page 42 2-14 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 43: Systems With 30 Psia Pressure Transducer (Maximum 63 Kpag Sample Gas Pressure)

    ATEX- and IECEx-certified Model 900/Model 930 Purged Analyzers are marked with one of the labels shown below (depends on application). Systems with 30 psia Pressure Transducer (Maximum 63 kPag Sample Gas Pressure) 0344 II 2 G AMETEK CANADA LP Western Research Series 9XX Analyzer Power Dissipation <...

  • Page 44: Heater Plate Atex And Iecex Certificates And Marking

    Heater Plate ATEX and IECEx Certificates and Marking 2-16 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 45 Specifications | 2-17...
  • Page 46 2-18 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 47 Specifications | 2-19...
  • Page 48 2-20 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 49 Specifications | 2-21...
  • Page 50 ATEX- and IECEx-certified Model 900/Model 930 Analyzers are marked with this label: 2-22 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 51: Disconnect Enclosure Type 200 Atex And Iecex Certificates And Marking

    Disconnect Enclosure Type 200 ATEX and IECEx Certificates and Marking Specifications | 2-23...
  • Page 52 2-24 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 53 Specifications | 2-25...
  • Page 54 2-26 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 55 Specifications | 2-27...
  • Page 56 2-28 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 57 ATEX- and IECEx-certified Model 900/Model 930 Analyzers are marked with this label: Specifications | 2-29...
  • Page 58 This page intentionally left blank. 2-30 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 59: Chapter 3 Installation And Start-Up

    INSTALLATION and START-UP This chapter describes how to install and start up the analyzer, including: • Safety considerations before working on the analyzer. • Uncrating, inspecting, and storing the analyzer prior to installation. • Installing the mechanical components and making the electrical connections.

  • Page 60: Safety Considerations

    Recommended storage conditions include: Temperature: 0 °C to 50 °C (32 °F to 122 °F) Relative Humidity: < 70 % Failure to comply with these storage conditions will void your warranty. 3-2 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 61: Uncrating And Inspecting The Analyzer

    Optical Bench appears to be damaged open the ESD packaging (follow ESD precautions to prevent ESD damage to the electronics), observe the Optical Bench, and contact AMETEK with details of the damage. Reseal the ESD-safe packaging while awaiting instructions from AMETEK.

  • Page 62: Tools And Equipment Required

    • A supply of 1/4" 316 stainless steel tubing for the Span, Zero, and Aspirator Drive Air lines. Length will vary, depending on the distance between the analyzer and the sample stream. Supplied by the cus- tomer/end user. 3-4 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 63: Installing The Mechanical Components

    Location and Environment The Model 900/930 Analyzers are designed for indoor operation (Pollution Degree 2). In all cases, the analyzer system must be installed indoors to ensure it is shielded from harsh environmental elements. The entire ana- lyzer system (and its backpan) can be mounted directly on a wall inside a building, in a specially designed cabinet, or in a custom-built shelter.
  • Page 64 NOTE change, the plumbing and external wiring will likely change for each installation. For other analyzer configurations, refer to Final “As-Built” drawings in the analyzer Documentation Package. 3-6 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 65 Figure 3-1. Analyzer backpan mounting details (Zone 1). Installation and Start-Up | 3-7...

  • Page 66: Installing The Optical Bench Assembly

    Align its Optical Bench Support Plate with the Support Arm Yoke and replace the pivot pin. Tighten the set screw. The Optical Bench should swing freely. 3-8 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 67 Figure 3-2. Electronics Enclosure, typical analyzer backpan layout.  Figure 3-2 illustrates a typical analyzer layout. For your specific analyzer, refer to Final “As-Built” drawings shipped with the analyzer. NOTE Installation and Start-Up | 3-9...
  • Page 68 Improper positioning of the Heat Transfer Block can result in: • Poor contact between the Cell RTD tip and the Heat Transfer Block. • Poor alignment of the Cell Extension seal in the Oven and Electronics Enclosure cabinets. 3-10 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 69 b. Adjust the Measuring Cell/Optical Bench Assembly so that the two ribs of the Cell Extension seal fit firmly into the molded depres- sions in the Oven and Electronics Enclosure walls. Temporarily close the Electronics Enclosure door and tighten its screws to secure the Optical Bench in place.
  • Page 70 Figure 3-4. Optical Bench/Measuring Cell assembly. 3-12 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 71: Installing The Sample System

    Installing the Sample and Vent Lines The Sample and Vent Lines can be supplied by AMETEK or the customer. This section assumes these lines are supplied by AMETEK. Do not lift or support the Sample or Vent Lines by their tubing fit- tings.
  • Page 72 Do not add extra insulation to the Sample Line or Vent Line. This will result in a local hot spot and cause premature failure of the line. CAUTION 5. Connect the Sample and Vent Lines to the ASR900 Sample Probe. 3-14 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 73 6. Terminate the Sample Line and Vent Line wiring as indicated in the Sample/Vent Line Wiring drawing (Figure 3-6.1) for GP/Div 2 analyz- ers or the Disconnect Enclosure Wiring drawing (Figure 3-6.2) for Zone 1 analyzers. Connect the ground lead from each line to the ground terminals before connecting the heater leads.
  • Page 74 Zone 1 analyzers. Figure 3-6.1 is for Zone 1 analyzers, while Figure NOTE 3-6.2 is for GP/Div 2 analyzers. For your system, refer to Final “As Built” drawings in the analyzer Documentation Package. 3-16 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 75 Figure 3-6.1. Sample/Vent Line Wiring (Disconnect Enclosure), Zone 1 Analyzer. Installation and Start-Up | 3-17...
  • Page 76 Figure 3-6.2. Sample/Vent Line Wiring, GP/Div 2 Analyzers. 3-18 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 77: Installing The Instrument Air Line

    Installing the Instrument Air Line The Instrument Air line (by customer) must be 1/4" 316 stainless steel tub- ing with appropriate 1/4" NPT connectors. The Instrument Air must meet the ANSI/ISA-S7.0.01 (1996) specifications at all times. If it cannot meet these requirements, an inlet filter system must be installed.

  • Page 78: Installing The Span Gas Line

    2. Purge the line to remove any liquids or particulate that may be pres- ent in it before connecting it to the analyzer. 3. Connect the line to the Span gas fitting on the Manifold block and to the Span gas supply. 3-20 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 79: Connecting I/O Signals, Alarm Relay Contacts, And Ac Power

    EMC Directive regarding NOTE techniques and wiring practices to be followed. To maintain EMC compliance in European installations, AMETEK recommends using metallic glands and shielded cable (at least 85 % coverage) for both power and signal cable connections.
  • Page 80 Refer to Figure 3-7 (Customer Signal Connections) and Figure 3-8 (Analyzer AC Wiring) for termination points. For shelter instal- lations, refer to Final “As-Built” shelter drawings in the analyzer Documentation Package. 3-22 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 81 To make the signal, relay contact, and power connections: 1. General Purpose (GP) Analyzers: Open the Electronics Enclosure and open all of the fuses. Purged Analyzers (Hazardous Locations): Open the Electronics Enclosure and open all of the fuses. Open the explosion-proof power-disconnect switch.
  • Page 82 Using a wire connector, connect an external ground wire between the “Enclosure Common Ground Terminal Strip” on the analyzer backpan (see Figure 3-9) and a location close to the analyzer. 3-24 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 83 6. Before closing the Disconnect Enclosure door, use a soft, nonabrasive cloth to gently clean its joining surfaces (flamepath) and make sure they are free of debris. After cleaning these surfaces, inspect the flame- path for scratches or other damage. If no damage is evident, apply a suitable thread lubricant (must not contain copper) to the threads of the (24) screws that secure the door to the Disconnect Enclosure.
  • Page 84 Figure 3-8. AC Wiring, GP/Div 2/ CE/Zone 1 Analyzers. 3-26 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 85: Start-Up And Verification

    Zone 1 analyzer layout. NOTE Refer to Final “As Built” drawings for your system in the analyzer Documentation Package. Figure 3-9. Model 900/930 Zone 1 Analyzer overall component layout. Installation and Start-Up | 3-27...

  • Page 86: Purged Analyzers

    “BYPASS” position (and appropriate safety conditions must have been met, as per company policy). For normal analyzer operation, the Purge Bypass Switch must be in the “ACTIVE” position and the key must be removed (follow company policy). 3-28 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 87 See “Examining and Caring for the Flamepaths” in Chapter 5. Replace parts immediately if damage or wear is apparent. Contact AMETEK if there is any doubt about the integrity of any flamepath. Installation and Start-Up | 3-29...

  • Page 88: Powering Up The Analyzer

    To power up the analyzer and verify it is operating properly: 1. With the Electronics Enclosure open: GP Analyzers:  Close the Analyzer fuse to apply AC power to the analyzer. See Fuse Legend inside Electronics Enclosure door. 3-30 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 89 Purged Analyzers (Hazardous Locations): Insert the key into the Purge Bypass Switch and switch it to the “BYPASS” position (follow company policy). [Special Conditions for Safe Use] The analyzer may only be energized by using the Purge Bypass WARNING Switch with permission of the works manager or his proxy. The per- mission may only be given when it is made sure that during the time the system is energized by using this switch an explosive atmosphere is not present or when the necessary protective measures against...
  • Page 90 View the TStPt (Temperature Zone Set Point) screen and record  the Set Point for each temperature zone: (TStPt) RUNF4 0 1..4 Press To view temperature zone Sample Line Vent Line ASR900 Probe Cell/Oven Line 3-32 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 91 b. Check and record the current temperature readings. This will help you determine if the signal wiring is properly terminated and if all of the circuitry is operating properly. To do this, view the MAI screen (Microcontroller Board Analog  Inputs) and press keys 1..8 to view the inputs.
  • Page 92 Analyzer” in this chapter. 12. Adjust the Aspirator Drive Air Regulator to achieve normal operating  flow rates. See “Setting the Sample Gas Flow Rate and Sample Response Time” in this chapter. 3-34 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 93: Start-Up Diagnostic Checklist

    Start-Up Diagnostic Checklist This checklist describes problems that may be encountered while power- ing up the analyzer and preparing it for normal operation. If the analyzer experiences problems during power-up, review this checklist and perform the corresponding corrective action to fix any problems. Problem Encountered “Reset in Progress”...
  • Page 94 Take appropriate safety precautions and check the RTD for a short or an open circuit. If necessary, replace the RTD with an AMETEK-approved replacement part. Contact AMETEK for assistance. 3-36 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 95 Figure 3-11. Over-Temp alarm reset switch (SW300), Termination board. Installation and Start-Up | 3-37...

  • Page 96: Sample System Leak Check

    4. View the CellP (Measuring Cell Pressure) screen and record the nu-  meric value displayed. This value is the absolute pressure reading in (CellP) RUNF6 8 6 mmHg (or "Hg). 3-38 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 97 5. Block in the instrument air by closing the Drive Air Isolation Valve and observe the pressure reading. Allow the pressure within the sample system and Measuring Cell to equilibrate (approximately 5 minutes) before taking the initial reading. Meanwhile, continue to observe the CellP reading.

  • Page 98: Manually Zeroing The Analyzer

    SCFM). See “Setting the Zero Gas Flow Rate” in this chapter. If the User Interface displays a “w Zero Drift” alarm message, restart the Manual Zero (enter F2 0 Ent). 3-40 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 99: Setting The Zero Gas Flow Rate

    4. Record the analyzer’s initial Measure and Reference PMT signal read- ings. See “Recording Initial Readings” in this chapter. 5. Change the Flow Control mode back to “0” (Analyzer Control).  (FlowCtrl) CALF5 0 6. Return to RUN mode. Del 0 Ent Ent 7.

  • Page 100: Normal Operation

    Measure PMT (left side) and Reference PMT (Show Signals) RUN F6 11..6 (right side) signals for each filter. Press ‘1’ to view the signals for Filter 1, ‘2’ for Filter 2, etc. 3-42 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 101: Recording Initial Sample Response Time

    3. Record these signals in a log book every month.  It is important to record these values during a Manual Zero to simulate the same conditions as during the original recordings. If the NOTE values are recorded using the sample gas, the results may be skewed because the composition of the gas can vary.

  • Page 102: Analyzer Configuration

    If the EEPROM is replaced, this data must be re-entered to override the factory defaults. If necessary, refer to the original EEPROM Data Sheets when changing the analyzer settings back to their original values. 3-44 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 103: Chapter 4 Controller / User Interface

    CONTROLLER / USER INTERFACE This chapter contains information about the following topics: • An introduction to the User Interface. • How to work from the User Interface and navigate through the vari- ous screens. • How to view analyzer data, configure analyzer settings, and perform analyzer functions.

  • Page 104: Introduction To The User Interface

    Depending on the operation mode or the command entered, other information can also be displayed on the bottom line. 4-2 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 105 • Keypad The 21-key keypad allows you to view and/or change information  from the three main operation modes. The display is updated once Example keystroke commands can be seen in per second; therefore, the display of the result of a command may be “Navigation Examples”...

  • Page 106: Messages/Information Displayed On The User Interface

    When viewed from the HStatus screen, these alarms are displayed as “f Analytical data” and “f Internal communication”. For additional characters that indicate Flow Control modes (automatic and manual control), see “Flow Control (Sample) Modes” in this chapter. 4-4 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 107: Navigating From The User Interface

    Navigating From the User Interface While working from the User Interface, there are three modes of opera- tion that you can access. In RUN mode, parameters or variables can only be viewed (they cannot be changed). In CAL or CFG mode, parameters or variables can be changed (passwords are required to enter these modes).

  • Page 108: Working In Run Mode

    • Operation constants and configuration data that can be seen in RUN mode, can be entered or changed in CFG mode. • The two factory-default passwords (for CAL and CFG modes) can be changed in CFG mode. 4-6 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 109: Working In Cal Mode

    • To return to CFG mode normal display from any menu in CFG mode, press F6 0. • When entering commands, the User Interface will return to CFG mode normal display: - If you press a Function key that is not valid for your system. - If you press a numeric key that is not valid for your system.

  • Page 110: Navigation Examples

    6. To save the change, press Ent and then Esc to back out of this menu. At the “Save ConFig?” prompt, press Ent again to confirm the change. To discard the changes, press Esc. 4-8 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 111 • Navigating in CAL mode (example): To manually change the analyzer’s Flow Control mode to Continuous Backpurge/Zero Flow: 1. From RUN mode, press F6 •. The message “PSWD0” appears. 2. Press • • (factory default password) or enter the new password, if changed.

  • Page 112: Entering Passwords To Change Analyzer Parameter Settings

    4. Enter the new password a second time and press Ent. Press Ent again to return to CFG mode normal display. If this password does not match the first entry of the new password, the message “<UNCHANGED>” is displayed. 4-10 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 113: Run / Cfg Mode Quick Reference Sheets - Keystroke Commands

    5. Press Esc. The User Interface will prompt you to accept the changes (“Save Config ?”). If Yes, press Ent to accept the new password. The display will exit the CFG mode and return to RUN mode. If No, press Esc to discard the changes. The display will exit the CFG mode and return to RUN mode.

  • Page 114: Run / Cfg Mode - Standard Software Version

    Show MAIn — (1..6) (1..2) (1..2) (1..6) (1..8) SetPt AI:MSR TCycle Units Avg (1..4) — (1..6) (1..2) (1..6) Figure 4-2.1. RUN / CFG mode quick reference sheet (Standard Software version). 4-12 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 115: Run / Cfg Mode - Cos/Cs 2 Software Version

    RUN / CFG Mode – COS/CS Software Version (RUN) (CFG) (RUN) (CFG) auto\man HCHist • Trend Type MB Addr PSWD0 PSWD0? — Auto-Setup toggle (1..9) (CAL) (CAL) (RUN) (CFG) Com Para MSHist – — — — PSWD1 PSWD1? (1..3) (1..9) (CFG) (CFG) Compen...

  • Page 116: Cal Mode Quick Reference Sheets - Keystroke Commands

    — SDelay — OpRatio (1..2) — — AZInt TH [SO2] Temp OpOffSet — — — TH [H2S] Pres ADFactor Figure 4-3.1. CAL mode quick reference sheet (Standard Software version). 4-14 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 117: Cal Mode - Cos/Cs Software Version

    CAL Mode – COS/CS Software Version • — — — — — — – — — — — — — Izero Auto/Zero? Man/Zero? Timer0 — FlowCtrl (1..4) Conc1 Scale Ispan — Man/Span1? — [SO2] (1..4) (1..4) Conc2 — Man/Span2? — —...

  • Page 118: Working In The Run / Cfg Operating Modes

    “applications with COS/CS2 Software version only” or “ap- plications with Standard Software version only”. Factory-default values (if applicable) are listed for each parameter. Consult with AMETEK before changing any factory-default values. 4-16 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 119: Run / Cfg Mode - F1 Commands

    RUN / CFG Mode – F1 Commands  Note the differences for the F1 • command in RUN and CFG modes. The Auto-Setup is not used in RUN mode. NOTE Keystroke Term Definition F1 • (RUN) — — F1 • (CFG) Auto-Setup The Auto-Setup optimizes PMT gains and the source lamp currents.
  • Page 120 You can, however, change the concentration units freely back and forth between PPM and mole percent (e.g., from Units = 0 to Units = 2, or from Units = 1 to Units = 3, or vice versa). 4-18 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 121: Run / Cfg Mode - F2 Commands

    Depending on the species being measured, the lamp types, and the application, this code will change. For the Bench Type Code for your application, view the Bench screen (press F2 1 in RUN mode). Do not change the value without direction from AMETEK. Bench Orientation (b0) Measure...
  • Page 122 These outputs are application-specific. Refer to “Output Signal Assignment (OSA)” in this chapter for more information. 1 = Output1 2 = Output2 3 = Output3 4 = Output4 4-20 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 123 F2 7 The Automatic Lamp Control Enable function displays the operational status of the Automatic Lamp Control function. This parameter is automatically turned on by Auto-Setup after the Auto-Setup is complete, and should be on during normal operation. However, this function should be turned off while replacing source lamps or PMTs.

  • Page 124: Run / Cfg Mode - F3 Commands

    Software version only) F3 9 AvgTz **The averaging times (seconds) of the compensation functions, where ‘z’ = 1..4. 1 = AvgT1 2 = AvgT2 3 = AvgT3 4 = AvgT4 4-22 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 125: Run / Cfg Mode - F4 Commands

    RUN / CFG Mode – F4 Commands Keystroke Term Definition F4 • MBAddr Modicon Modbus slave address – can be any value between 0–255. ‘0’ disables the ® Modbus communication. Addresses 1–127 select the RS-232 port and addresses 128–255 ® select the RS-422 port.
  • Page 126 Pressure will be used to calculate the output signals instead of the measured values. 1 = Measuring Cell Temperature Compensation AI:Msr = 4 (enabled); 0 = disabled 2 = Measuring Cell Pressure Compensation AI:Msr = 6 (enabled); 0 = disabled 4-24 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 127: Run / Cfg Mode - F5 Commands

    Examples: HCADA e 3.18 (Standard Software) HCADACe 3.18 (COS/CS Software) F5 2 MC\ADA V The Microcontroller board software version number (Model 900). The Microcontroller board software version number (Model 930). MC\900 V Examples: MC900e 5.50 (Standard Software) MC900Ce 3.18 (COS/CS...
  • Page 128 4 = celCycle – Analyzer Measuring Cell (default = 100 %) 5 = htrCycle – Heater Plate, Oven (default = 100 %) 6 = prbCycle – ASR900 Sample Probe (default = 0 %) 4-26 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 129: Run / Cfg Mode - F6 Commands

    RUN / CFG Mode – F6 Commands  Note the differences for the F6 •, F6 –, and F6 0 commands in RUN and CFG modes. NOTE Keystroke Term Definition F6 • (RUN) PSWD0 (CAL) This is the CAL mode entry password prompt, seen only after you press ‘F6 ·’ from RUN mode.
  • Page 130 Spare or SKO (if used) CellT °C Oven OT normal/tripped S/L, V/L, Oven CellP mmHg Measuring Cell HtrT °C Oven Heater Plate ProbeT °C ASR900 Probe Heater F6 9 — — 4-28 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 131: Configuring The Analyzer Control Functions

    Configuring the Analyzer Control Functions Output Signal Assignment (OSA) Outputs (parameters) calculated by the analyzer can be assigned to any of the four outputs and, optionally, the User Interface. (Only results as- signed to the first three channels can be assigned to the User Interface.) Assigning a parameter to an output can be changed from the default shown in Figure 4-4.

  • Page 132: Assigning Output Signals With The Track-And-Hold Function Enabled/Disabled

    F2 6 1 Del 17 Ent Ent Example 2: To assign the SO concentration to Output 2 only and return to CFG mode normal display, press: F2 6 2 Del 111 Ent Ent 4-30 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 133 Hold function disabled examples (outputs use operator-entered fixed values): Example 1: To assign the Air Demand signal to Output 1 and the User Interface and return to CFG mode normal display, press: F2 6 1 Del 7 Ent Ent Example 2: To assign the SO concentration to Output 2 only and return to CFG mode normal display, press:...

  • Page 134: Analog Input Channels - Micro-Interface Board

    6 and is displayed by pressing F6 8 6. The pressure signal is dis- played in mmHg (or "Hg) when active pressure compensation is enabled. When active pressure compensation is disabled, the signal is displayed in volts. 4-32 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 135: Working In The Cal Operating Mode

    Working in the CAL Operating Mode The CALibration (CAL) mode is used to enter the variables required to tai-  lor the analyzer for a specific application and to calibrate the instrument. To work in CAL mode a password is required. The CAL mode parameters listed in the following pages are identified by the command (Keystroke) used to view the main screen, the abbreviated name (Term) of the screen, and a Definition of each parameter.

  • Page 136: Cal Mode - F2 Commands

    Cross-Talk (applications with Standard Software version only). F2 4 — — F2 5 — — F2 6 — — F2 7 — — F2 8 — — F2 9 — — 4-34 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 137: Cal Mode - F3 Commands

    CAL Mode – F3 Commands Keystroke Term Definition F3 • — — F3 – — — F3 0 Timer0 Sets the duration the solenoid valve controlling the Zero gas (air) is energized during the Auto-Zero. The duration can be set from 0–255 minutes in one-minute increments. Setting this timer to ‘0’...

  • Page 138: Cal Mode - F4 Commands

    Track-and-Hold function will hold to (%). ‘0’ = hold to the analyzer calcu- lated output value. F4 9 TH [H2S] The H S value the Track-and-Hold function will hold to (%). ‘0’ = hold to the analyzer calcu- lated output value. 4-36 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 139: Cal Mode - F5 Commands

    CAL Mode – F5 Commands Keystroke Term Definition F5 • — — F5 – — — F5 0 FlowCtrlz The analyzer system Sample Flow Control mode, where ‘z’ = 0..2. 0 = Analyzer Control mode (automatic control by analyzer) 1 = Continuous Backpurge/Zero Flow mode (manually set by operator) 2 = Continuous Sample Flow mode (manually set by operator) F5 1 Scalez...

  • Page 140: Cal Mode - F6 Commands

    The Air Demand (F) factor as shown in the EEPROM Data Sheets (in the analyzer Documentation Package shipped with the analyzer). This factor is application specific. Do not change the factory-default value without first consulting with AMETEK. 4-38 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 141: Setting Up Analyzer Calibration Functions

    Setting Up Analyzer Calibration Functions This section describes the commonly used functions and controls available in CAL mode. Flow Control (Sample) Modes The Flow Control (FlowCtrl) mode sets the state of the sample gas flow,  and can be controlled automatically by the analyzer (Analyzer Control (FlowCtrl) CALF5 0 mode) or manually forced by the operator to Continuous Sample or Continuous Backpurge/Zero Flow mode.

  • Page 142: Analyzer Control Mode

    CAL>F5 0 Del 1 Ent Ent  Continuous Backpurge/Zero Flow can also be initiated by an op- tional remote dry (potential free) contact opening. In this case the ‘m’ NOTE character is displayed. 4-40 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 143: Continuous Sample Flow Mode (Manual Control By Operator)

    Continuous Sample Flow Mode (Manual Control by Operator) When the analyzer’s Flow Control mode is manually set to Continuous Sample, sample gas will continuously flow through the analyzer’s sample system; it will not switch to automatic Backpurge mode. When you manually force the analyzer into Continuous Sample, “S” is displayed on the top-left line.

  • Page 144: Setting Calibration Gas Timers

    CAL mode normal display, press: F3 0 Del 2 Ent Ent  If a Calibration Gas is not used, the associated timer must be turned Off. NOTE 4-42 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 145: Auto-Zero Interval Timer (Azint)

    Auto-Zero Interval Timer (AZInt) The AZInt timer sets the interval (hours) between timed Auto-Zeroes. The timer can be set from 0–999 hours. Set the interval to ‘0’ to turn the timer off, and disable a timed start of the Auto-Zero. A timed Auto-Zero will start only when the analyzer is operating in RUN mode without any Faults.

  • Page 146: Manual Zero/Span

    • The calibration gas must reach the Measuring Cell without contamina- tion or residual sulfur in the system. • The gas introduced must be at approximately the same temperature as the sample gas. 4-44 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 147 Calibration gas must be injected into the analyzer at a relatively low flow rate (1–2 L/min or 0.04–0.07 SCFM). The routing of the calibration gas tub- ing provides warming of the calibration gas but the system will not allow excessive flow rates of calibration gas to be warmed. At low flow rates, there is always the possibility of calibration gas becoming contaminated with remnants of the sample gas, which will introduce errors into the calibration results.
  • Page 148 F5 0 Del n Ent where ‘n’ is the numerical value recorded earlier. 7. Remove the calibration gas line and plug the Calibration Gas Port. Figure 4-7 Calibration gas setup. 4-46 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 149: Auto-Zero

    Auto-Zero This feature allows you to initiate an automatic calibration. Enter the Zero gas mixture component concentrations before initiating an Auto-Zero. When an Auto-Zero is performed, the following events occur automatically: 1. The Zero gas solenoid valve is turned on to let the Zero gas mixture flow through the Measuring Cell.

  • Page 150: Manual Start Of Auto-Zero

    RUN mode normal display. Timed Start of Auto-Zero The analyzer automatically initiates the Auto-Zero on a timed basis. The AZInt timer sets the time interval between Zeroes. 4-48 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 151: Remote Start Of Auto-Zero

    Remote Start of Auto-Zero The Auto-Zero can also be initiated by a remote, dry (potential free) contact closure connected to Digital Input 2, Pins 10 and 11 on J108 of the Termination board (Figure 4-8). The contact must remain closed for at least 2 seconds (up to 5 seconds).
  • Page 152 Figure 4-8. Customer signal connections. 4-50 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 153: Analog Output Calibration

    Analog Output Calibration Calibration of an analog output is performed by entering the measured zero- and full-scale signals for the current output channel. Enter these val- ues in decimal form. Use a current meter to calibrate the current output signals. These values are used to offset the output to the correct values. If the measured current output is less than 20 mA when the output is set to full-scale, it cannot be increased above that value.
  • Page 154 The current meter reading is 4.06 mA. F6 1 2 Del Sets the output to full-scale. 20.18 Ent The current meter reading is 20.18 mA. Returns the CAL mode normal display. 4-52 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 155: Chapter 5 Maintenance And Troubleshooting

    MAINTENANCE and TROUBLESHOOTING This chapter discusses preventive maintenance to keep the analyzer sample system operating at peak efficiency, how to check for plugging in the analyzer sample system, and how to replace internal parts. This chap- ter also discusses how to view alarms (errors) that can be used to diagnose and troubleshoot problems with the analyzer.

  • Page 156: Preventive Maintenance

    Most leaks are preventable with regular cleaning and replacement of the Measuring Cell o-rings. Leak check the analyzer’s sample system whenever it has been dis- mantled for maintenance. 5-2 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 157: Analyzer Preventive Maintenance Schedule

    For complex maintenance procedures not discussed in this manual, such as replacing heaters, RTDs, or electronic boards, contact AMETEK. Or, review Chapter 6 and then contact AMETEK for as- sistance with returning the assembly/analyzer to the factory for repair. Analyzer Preventive Maintenance Schedule...
  • Page 158 The lamps may require replacement sooner if analyzer alarms are set (“w ALC” or “w PMT signal”). See also “Source Lamp Replacement” and “Troubleshooting and Diagnostics” in this chapter. 5-4 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 159: Expo Technologies Minipurge ® System With Etimer (Optional) Preventive Maintenance Schedule

    The gap must not exceed the listed gap for each location; if the gap exceeds this value, contact AMETEK for advice. See also “Examining and Caring For the Flamepaths” in this chapter. • Disconnect Enclosure flange (enclosure door and housing joining surfaces).

  • Page 160: Preventing, Detecting, And Locating A Plug In The Sample System

    Vent Valve (on the ASR900 Sample Probe) and Zero the analyzer. Plugs in the sample outlet (or vent side) of the sample system are rare. 5-6 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 161 Locating a plug in the sample system: If analyzer problems occur, they are most likely related to improper sam- ple system operation, such as a plug or leak. A plug in the sample system can cause problems in analyzer response time, either to changing process conditions or to Zero gas.

  • Page 162: Changing Out Replaceable Parts

    • Any time an unscheduled cleaning is performed. • If the analyzer responds slowly to a Zero when the sample system is free of restrictions. • If evidence of contamination is present in the sample tubing. 5-8 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 163  “P/N” refers to Part Number. NOTE To clean and replace parts in the Measuring Cell (Figures 5-1 and 5-9): Hazardous Locations Before proceeding, test the area around the analyzer for flammable WARNING gases and proceed only when the area is found to be safe. Do not open the Electronics Enclosure or other covers/doors, and do not power up/down the analyzer (or computer) if there is a flammable gas atmosphere present.
  • Page 164 Block to the Measuring Cell. Remove the Heat Transfer Block. Grasp the edge of the Cell Window and carefully remove it, then set it aside on a soft, non-abrasive cloth. Remove the (2) o-rings. 5-10 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 165 Figure 5-1. Measuring Cell Assembly. Maintenance and Troubleshooting 5-11...
  • Page 166 Install (1) new o-ring (P/N 100-1911) in the groove on the flat sur- face of the Reflector Block. Hold the Measuring Cell vertically with the Reflector Block end up and install (1) new o-ring (P/N 100-1911) and Window (P/N 300-0281). 5-12 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 167 Orient the Reflector Block with its “peak line” at 90° to a line through the fittings and place it on the Measuring Cell. Ensure the Window does not slide out of position when the Reflector Block is placed against the Measuring Cell. It is critical to reassemble the Reflector Block in the exact orientation as it was assembled at the factory.
  • Page 168 Over-tightening this screw will damage the threads on the RTD. Replace the Heat Transfer Block Plug in the Heat Transfer Block. 9. Connect the sample tubing to the Measuring Cell. 5-14 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 169 10. GP Analyzers Only: Turn on the Instrument Air supply to the analyzer and open the Aspirator Air valve. 11. Power up the analyzer: It is necessary to work with the Electronics Enclosure door open after replacing parts in the Heater Assembly. WARNING When the analyzer’s covers and doors are open, take appropriate precau- tions to avoid electrical shock.
  • Page 170 16. Adjust the Aspirator Drive Air Regulator to achieve normal operating  flow rates. See “Setting the Sample Gas Flow Rate and The procedure is complete. Sample Response Time” in Chapter 3. 5-16 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 171: Replacing The Source Lamps

    • New source lamps must be aligned to ensure optimal operation of the analyzer. • This procedure is based on the standard Model 900/Model 930  Analyzer, Bench Type Code “4”. See F2 1 under “RUN / CFG Mode –...

  • Page 172: Source Lamp Replacement

    Open the Electronics Enclosure. Wait 5 minutes to allow the high-voltage capacitors in the source- lamp power supply to discharge. WARNING 5-18 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 173 Figure 5-2. Lamp Assembly. Maintenance and Troubleshooting 5-19...
  • Page 174 The lamp must be allowed to move so it can be adjusted later. 6. GP Analyzers Only: Turn on the Instrument Air supply to the analyzer and open the Aspirator Air valve. 5-20 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 175 7. Power up the analyzer: It is necessary to work with the Electronics Enclosure door open after replacing source lamps so that adjustments can be made to the lamps. WARNING When the analyzer’s covers and doors are open, take appropriate precau- tions to avoid electrical shock.
  • Page 176 The message “SIGz m.mmm r.rrr” is displayed, where ‘z’ is the filter location, m.mmm is the Measure PMT signal, and r.rrr is the Reference PMT signal. The PMT signal values are updated at one-second intervals. 5-22 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 177 Example: If replacing Lamp 1, and the filter location with the highest lamp pulse current-control value is Filter 3, the PMT signal for Filter 3 is displayed by pressing F6 1 3. If either the Measure or Reference PMT signal becomes equal to or greater than 10.000 V at any time during lamp alignment, decrease CAUTION the PMT level (CFGF1 4 to view PmtLvl screen) in one-volt incre-...
  • Page 178 26. Adjust the Aspirator Drive Air Regulator to achieve normal operating  flow rates. See “Setting the Sample Gas Flow Rate and Sample Response Time” in The procedure is complete. Chapter 3. 5-24 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 179: When Is An Auto-Setup Required / Not Required

    When is an Auto-Setup Required / Not Required? The Auto-Setup optimizes PMT (photomultiplier tube) gains and the source lamp currents. After the Auto-Setup is complete, the Automatic Lamp Control (Alc On) is automatically turned on. View the current sta-  tus of this function on the Alc screen (‘0’...

  • Page 180: Pmt Level And Pmt Balance

    • If the lamps were replaced, is the correct socket connected to the cor- rect lamp? Lamp 1 is the closest to the Optical Bench board. 5-26 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 181: Auto-Setup Fault Messages And Corrective Action

    Optical Filters, Beam Splitter, Mirrors, Windows, Lenses, and o-rings in the Optical Bench and in the Measuring Cell (including Reflector Block). Contact AMETEK for procedures not discussed in this manual. • Are the PMTs in their original sockets? (Is the higher gain PMT in the Measure path?) •...

  • Page 182: The Auto-Setup Sequence

    3. After the value of ‘b’ is between 0.75–1.25, press Ent Esc. The message “SAVE CONFIG?” will appear. Press Ent for Yes (to save the new con- figuration), and then press Esc to return to RUN mode normal display. 5-28 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 183: Manipulating The Completion Number, Pmt Level, And Pmt Balance

    Manipulating the Completion Number, PMT Level, and PMT Balance In certain situations (for example, degradation of PMTs or lamps, or the optics are contaminated), it may be necessary to change the P300 and P301 jumper settings on the Optical Bench board. Changing the jumper posi- tions provides coarse gain adjustment of the Reference PMT and therefore changes the completion number result, PMT Level, and PMT Balance.
  • Page 184 P300/P301 jumper Lower PMT Completion positions vs PMT Balance Number Balance.  When changing jumpers, one must be present in one of the six posi- tions at all times. NOTE 5-30 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 185: Chopper Assembly Maintenance

    Chopper Assembly Maintenance Replace the Chopper Motor Drive Belt and Bearings in the Chopper  Assembly every 2 years. See Chapter 6 for spare part ordering numbers.  “P/N” refers to Part Number. NOTE To replace the Drive Belt and Bearings in the Chopper Assembly (Figures 5-4 and 5-5): Hazardous Locations Before proceeding, test the area around the analyzer for flammable...
  • Page 186 M4 x 25 screw using only a flat hex key. Do not use a ball driver – the head can break off inside the screw. 5-32 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 187 Figure 5-4. Optical Bench board layout. c. Wearing insulated gloves, grasp the Measuring Cell and carefully pull it straight out from the Heater Plate and Cell RTD (Figure 5-9). Once the Measuring Cell has cleared the Cell RTD, swing the Optical Bench Assembly outward, away from the analyzer.
  • Page 188 Chopper Wheel and Pulley grooves, and to make sure the Bearings and other parts are properly aligned. Align the two halves of the Chopper Assembly and secure them using (4) M3 x 8 screws. 5-34 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 189 Figure 5-5. Optical Bench Chopper Assembly Maintenance diagram. Maintenance and Troubleshooting 5-35...
  • Page 190 Heater Plate and carefully push the Measuring Cell toward the RTD. Adjust the entire Measuring Cell/Optical Bench Assembly as required to firmly seat the Measuring Cell against the Heater Plate. 5-36 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 191 Using a flat hex key, replace the M4 x 25 screw in the counter bore hole in the Heat Transfer Block and thread it onto the Cell RTD (until it is snug). Do not use a ball driver. Do not tighten the screw at this time.
  • Page 192 Do not close the Oven Heater fuse at this time, until after the Leak Check has been performed. 13. Perform a leak check on the sample system fittings that were  disconnected. See “Sample System Leak Check” in Chapter 3. 5-38 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 193 14. Close the Oven fuse to apply power to its Heater. Close and secure the Electronics Enclosure door with its (3) M6 screws to secure the Optical Bench in place. Close and latch the Oven door. Close and secure all other analyzer covers and doors, if not already done.

  • Page 194: Replacing Parts In The Heater Plate

    Analyzer, See Fuse Legend inside Electronics Enclosure Oven Heater, and ASR Probe fuses, and by removing the Sample and door. Vent Line fuses. 5-40 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 195 Purged Analyzers (Hazardous Locations): Open the explosion-proof power-disconnect switch to disconnect power from the analyzer and its temperature zone circuitry. Open the Electronics Enclosure. Wait 5 minutes to allow the high-voltage capacitors in the source- lamp power supply to discharge. WARNING 3.
  • Page 196 Heater Plate from the Lower Heater Plate. Lean its top against the Oven wall to expose the internal RTDs and Heater Elements. Take care not to damage the internal wires. 5-42 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 197  OPTIONAL If working on the Heater Plate with it still in the Oven is not practi- NOTE cal, remove it from the Oven. To do this, record all wire termination points at the Terminal Strips (J1, J2) inside the Seal Body and then disconnect the wires.
  • Page 198 Repeat Steps ‘a’ through ‘e’ if replacing the optional Sulfur Condenser RTD (if used).  If the Sulfur Condenser RTD is not used, the hole is plugged with a Heater Blanking Plug. NOTE 5-44 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 199 Figure 5-6. Oven/Instrumentation layout, Div 2/Zone 1.  Figure 5-6 illustrates typical Div 2/Zone 1 analyzer layouts. For your specific analyzer, refer to Final “As-Built” drawings shipped with the NOTE analyzer. Maintenance and Troubleshooting 5-45...
  • Page 200 Plate. Reassemble the two halves of the Heater Plate, being careful not to pinch any wires between the two plates, and secure them together with the (8) M6 x 25 screws. Tighten the screws. 5-46 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 201 Figure 5-7.1. Flameproof Heater/Seal Assembly, 100-1190-1. Figure 5-7.2. Heater Termination board Terminal Strips J1, J2 wiring layout. Maintenance and Troubleshooting 5-47...
  • Page 202 Figure 5-8. Flameproof Heater/Seal Assembly layout, WX-14324-1A. 5-48 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 203 Figure 5-9. Flameproof Heater/Seal, internal component layout, 100-1622-1A. Maintenance and Troubleshooting 5-49...
  • Page 204 (2) M6 x 40 screws. Replace the retaining ring in the groove in the Thermal Insulating Tube. Replace the Oven Plug. 17. If the Aspirator/Sample Line Bracket was removed, replace it on the Heater Plate (2 screws). 5-50 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 205 Figure 5-10. Oven Heater and Temperature Sensor wiring, WX-14161. Maintenance and Troubleshooting 5-51...
  • Page 206 If necessary, vertically align the Optical Bench by loosening the Optical Bench support bracket from the backpan and moving the Optical Bench up or down as required. After aligning the Optical Bench, retighten the support bracket. 5-52 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 207 c. Verify there is no clearance between the Heat Transfer Block and the Cell RTD. The Measuring Cell must feel secure against the Heater Plate. Gently push and pull on the Measuring Cell to verify it is not loose. If there is any movement, tighten the M4 x 25 screw again until the Measuring Cell does not move, being careful not to over tighten it.
  • Page 208 27. Adjust the Aspirator Drive Air Regulator to achieve normal operating  flow rates. See “Setting the Sample Gas Flow Rate and The procedure is complete. Sample Response Time” in Chapter 3. 5-54 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 209: Asr900 Sample Probe Preventive Maintenance

    ASR900 Sample Probe Preventive Maintenance Preventive maintenance for the ASR900 Sample Probe is not discussed in this guide, but it is important to maintain it at recommended intervals. When possible, perform maintenance on the ASR900 Sample Probe at the same time as the analyzer. For probe maintenance details, refer to the ASR900 Sample Probe Installation and Maintenance Guide.

  • Page 210: Examining And Caring For The Flamepaths

    Replace parts immediately if damage or wear is apparent. Contact AMETEK if there is any doubt about the integrity of any flamepath. 5-56 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 211: Disconnect Enclosure Flange Flamepath (Joining Surfaces)

    Disconnect Enclosure Flange Flamepath (Joining Surfaces) Any time the Ex d Disconnect Enclosure is opened, inspect the flamepath for scratches, indentations, or other damage. The minimum flamepath length must be at least 38 mm and flat (0.05 mm or better) and a maximum surface roughness of 6.3 µm or less. When the bolts are tightened, the gap must not exceed 0.15 mm.

  • Page 212: Heater Plate Flange Flamepath (Joining Surfaces)

    The flamepath length must 19.2 mm or greater and the gap must not exceed 0.05 mm. Seal Body/Seal Cover The flamepath length must 17.4 mm or greater and the gap must not exceed 0.07 mm. 5-58 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 213: Troubleshooting And Diagnostics

    Troubleshooting and Diagnostics Model 900 and 930 Analyzers have a built-in alarm (error) detection sys- tem that continuously monitors the operation of key analyzer operating parameters. An alarm can be detected by either the Host Controller or the Microcontroller board and can be of two types: •...
  • Page 214 The displayed Host Controller board status code is 20. The alarms detect- ed are: - 16 f Temp low (Fault – Host Controller) f Internal communication (Fault – Host Controller) 5-60 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 215: Host Controller Board Alarm Conditions And Corrective Action

    (95 % used). Corrective Action: • Replace the EEPROM as soon as possible. Contact AMETEK to verify operation before removing the EEPROM and for information about installing the new EEPROM to ensure your analyzer will operate the same as it did prior to replacing the EEPROM.
  • Page 216 • Check the flat cable between the Optical Bench board and the Micro-Interface board for proper connections and inspect it for damage (cuts, nicks, burn marks, etc.). • Check the Chopper Wheel motor connection. 5-62 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 217 - Using an Ohm Meter, measure the resistance of the tempera- ture sensor (RTD) for the zone which caused the alarm (view the TType screen to determine sensor type). Test it for an  open circuit. If the RTD is faulty, contact AMETEK for as- sistance. (TType) RUNF4 41..4 - Replace the Temperature Sensor (RTD) Daughter board(s).
  • Page 218 - Replace the Temperature Sensor (RTD) Daughter board(s). Contact AMETEK to verify operation before removing this board. - Replace the Termination board. Contact AMETEK to verify operation before removing this board. 5-64 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 219 • Replace the Temperature Sensor (SKO) Daughter board. Con- tact AMETEK to verify operation before removing this board. (TStPt) RUNF4 01..4 • Replace the Termination board. Contact AMETEK to verify op- eration before removing this board. Figure 5-11. Micro-Interface board.
  • Page 220 Figure 5-12.1. Sample/Vent Line Wiring (Disconnect Enclosure), Zone 1 Analyzer. 5-66 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 221 Figure 5-12.2. Sample/Vent Line Wiring, GP/Div 2 Analyzers. Maintenance and Troubleshooting 5-67...
  • Page 222 Figure 5-13. Over-Temp alarm reset switch (SW300), Termination board. 5-68 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 223: Microcontroller Board Alarm Conditions And Corrective Action

    One or both of the discrete analog-to-digital converters (ADC) is not responding. Corrective Action: Take appropriate safety precautions, open the Electronics Enclo- sure, and: • Replace the Microcontroller board. Contact AMETEK to verify operation before removing this board. Maintenance and Troubleshooting 5-69...
  • Page 224 • Replace the Temperature Daughter board. Contact AMETEK to verify operation before removing this board. • Replace the Termination board. Contact AMETEK to verify operation before removing this board. 5-70 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...
  • Page 225 MS Code MStatus Alarm Type Condition / Description and Suggested Corrective Action Warning w PMT Signals The highest signal from either the Measure or Reference PMT  (photomultiplier tube) is outside its normal range (5.0–9.84 VDC). (SIG) RUNF6 1 Check these values on the SIG screen. Corrective Action: Take appropriate safety precautions, open the Electronics Enclo- sure, and:...
  • Page 226 • Using an Ohm Meter, measure the resistance of the Cell RTD and test it for an open circuit. If the RTD is faulty, contact AMETEK for assistance. 5-72 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 227: Analyzer Reset

    Analyzer Reset If the Host Controller board or Microcontroller board must be reset, take all necessary safety precautions and then simultaneously press • and Ent on the User Interface. The message “Reset In Progress” should be dis- played within one second after pressing these keys. Do not randomly reset the analyzer during normal operation.
  • Page 228 This page intentionally left blank. 5-74 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 229: Chapter 6 Service And Parts

    SERVICE and PARTS This chapter discusses what to do if you need technical support from AMETEK, or if you are returning parts for service. This chapter also lists the recommended spare parts to have on hand to ensure preventive maintenance is performed according to the schedule in Chapter 5.

  • Page 230: Returning Equipment

    Return Material Authorization (RMA) number. This will ensure your equipment is serviced and returned to you in a prompt and efficient manner. To obtain a RMA number, contact your local or nearest AMETEK Service Centre and have the following information available: •...

  • Page 231: Answers To Your Questions

    • START UPS all of the AMETEK process analyzers at your facility. Your decision to buy an AMETEK analyzer is greatly • AFTERMARKET SALES appreciated. After the time and money spent on your Our Aftermarket Sales group will keep you supplied analyzer, wouldn’t you expect a fast and successful...

  • Page 232: Recommended Preventive Maintenance Spare Parts

    Recommended Preventive Maintenance Spare Parts This section lists the recommended spare parts to have readily available for the Model 900 and Model 930 Analyzers to ensure the analyzer and its sample system operate at peak efficiency.  IMPORTANT SPARE PARTS INFORMATION...
  • Page 233 (Measuring Cell) Expo Technologies MiniPurge System With eTimer ® Spare Parts AMETEK recommends replacing the Battery Pack in the Expo Technologies MiniPurge System, which provides power to the system’s ® electro-pneumatic timer, every three years to ensure the MiniPurge ®...

  • Page 234: Spare Analyzer Fuses

    If the original factory-installed or retrofitted fuse blows, remove it to determine the fuse type required. 6-6 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 235: Replacement Boards

    Optical Bench Board Fuses (100-1662) 120 V 240 V Description Part No. Fuse Type Part No. Fuse Type Main Board (F200) 300-8778 125 mA 300-8777 63 mA Photomultiplier Tube 300-3214 0.2 A 300-3214 0.2 A (F300) Lamp (F201) 300-9524 32 mA 300-9524 32 mA These fuses are located on the Optical Bench board (Optical Bench Assembly, Electronics Enclosure).

  • Page 236: Oven Heater Spare Parts

    Oven Heater Plate. These parts are required only in the event of failure, loss, or damage to the part. Quantity of parts is deter- mined by the number of parts required. Contact AMETEK if these parts are required.

  • Page 237: Chapter 7 Glossary

    GLOSSARY User Interface Abbreviations This listing describes all of the screen titles and characters displayed on the User Interface. Complete details of all screen titles, messages, and abbreviations are described under “Working in the RUN / CFG Operating Modes” and “Working in the CAL Operating Mode”...

  • Page 238: Abbreviations And Terms Used In This Manual

    Purgeable Deluxe analyzers (General Purpose and Division 2) proportional, integral, differential photomultiplier tube resistance temperature device SPDT single pole double throw SRAM static random access memory solid-state relay sulfur knock out (sulfur condenser) Explosion-proof 7-2 | Model 900 ADA and Model 930 Sulfur Pit Analyzers...

  • Page 239: Appendix A - Drawings

    APPENDIX A – DRAWINGS This appendix contains drawings that are not included in the main body of this manual.  If your Documentation Package includes “Final As-Built” (job-specif- ic) drawings, use those for installation and maintenance/diagnostic NOTE purposes in place of similar “example” drawings in this manual. Appendix A –...

  • Page 240: Ribbon Cable Interconnect (Wx-102836

    Ribbon Cable Interconnect (WX-102836) A-2 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 241: Gp Lower Enclosure To Electronics Wiring, Ce Analyzers (Wx-102810

    GP Lower Enclosure to Electronics Wiring, CE Analyzers (WX-102810) Appendix A – Drawings | A-3...

  • Page 242: Heater And Sensor Wiring, Gp/Div 2 Analyzers (Wx-102851

    Heater and Sensor Wiring, GP/Div 2 Analyzers (WX-102851) A-4 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 243: Heater And Sensor Wiring, Ce/Zone 1 Analyzers (Wx-102852

    Heater and Sensor Wiring, CE/Zone 1 Analyzers (WX-102852) Appendix A – Drawings | A-5...

  • Page 244: Lower Cabinet Wiring, Ce/Gp Analyzers, 120V (100-1341-3

    Lower Cabinet Wiring, CE/GP Analyzers, 120V (100-1341-3) A-6 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 245: Lower Cabinet Wiring, Ce/Gp Analyzers, 240V (100-1342-3

    Lower Cabinet Wiring, CE/GP Analyzers, 240V (100-1342-3) Appendix A – Drawings | A-7...

  • Page 246: Signal Wiring, Pd/Gp/Div 2/Ce/Zone 1 Analyzers (Wx-102815

    Signal Wiring, PD/GP/Div 2/CE/Zone 1 Analyzers (WX-102815) A-8 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 247: Wiring Diagram, All Seals, Zone 1 Analyzers (100-1343-12

    Wiring Diagram, All Seals, Zone 1 Analyzers (100-1343-10) Appendix A – Drawings | A-9...

  • Page 248: And 5V Power Supply Dc Wiring, Gp/Div 2/Ce/Zone 1 Analyzers (Wx-102811

    ± 15V and 5V Power Supply DC Wiring, GP/Div 2/CE/Zone 1 Analyzers (WX-102811) A-10 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 249: Power Supply Dc Wiring, Ce/Zone 1 Analyzers (Wx-102812

    24V Power Supply DC Wiring, CE/Zone 1 Analyzers (WX-102812) Appendix A – Drawings | A-11...

  • Page 250: Communications Cable Wiring (300-9480

    RS-232 Communications Cable Wiring (300-9480) A-12 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 251: Rs-232/Rs-485 Module Wiring, Ce/Zone 1, Gp/Div 2 Analyzers (100-2185

    RS-232/RS-485 Module Wiring, CE/Zone 1, GP/Div 2 Analyzers (100-2185) Appendix A – Drawings | A-13...

  • Page 252: Microcontroller Board (100-0117

    Microcontroller Board (100-0117) A-14 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 253: Host Controller Board (Display Interface) (100-0138

    Host Controller Board (Display Interface) (100-0138) Appendix A – Drawings | A-15...

  • Page 254: Model 9Xx-Series Analyzer Type 200 Disconnect Enclosure Details

    Model 9xx-Series Analyzer Type 200 Disconnect Enclosure Details A-16 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

  • Page 255: Supplemental Information

    SUPPLEMENTAL INFORMATION This section consists of information and documents that are not part of the main manual, but which describe and illustrate installation, operation, layout, and maintenance procedures for non-standard or optional equip- ment – and derivative analyzer models – that make up your analyzer and its sample system.
  • Page 256 This page intentionally left blank. S-2 | Model 900 ADA / Model 930 Sulfur Pit Analyzers...

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