Teledyne 450H manuel d'utilisation

INSTRUCTION MANUAL MODEL 450H OZONE MONITOR © Teledyne Instruments Advanced Pollution Instrumentation Division (T-API) 9480 Carroll Park Drive San Diego, CA 92121-5201 TOLL-FREE: 800-324-5190 TEL: 858-657-9800 FAX: 858-657-9816 EMAIL: api-sales@teledyne.com WEB SITE: www.teledyne-api.com 02826 Rev. B1 5/15/06 Printed: 05/15/06[...]

SAFETY MESSAGES Your safety and the safety of others is very important. We have provided m any important safety messages in this m anual. Please read these messages carefully. A safety message alerts you to potential hazar ds that could hurt you or others. Each safety message is associated with a safety alert symbol. These sym bols are found in the[...]

TABLE OF CONTENTS SAFETY MESSAGES ................................................................................................................ .................... II TABLE OF CONTENTS ....................................................................................................................... ........ III FIGURES ....................[...]

5.3 A/D - D/A C ALIBRATION P ROCEDURE … ............................................................................................ 42 5.4 C URRENT L OOP C ALIBRATION ............................................................................................................ 43 6.0 MODEL 450H SPARE PARTS……………………………………[...]

FIGURES FIGURE 1.1 – NEMA 4X MO UNTING HOLE DIMENSIONS ............................................................ 16 FIGURE 1.2 – NEMA 4X ELECTR ICAL POWER CONNECTIONS ................................................. 17 FIGURE 1.3 – NEMA 4X PNEUMATIC CONNECTIONS ................................................................... 18 FIGURE [...]

TABLES TABLE 1.1 DIGITA L OUTPUTS ...................................................................................................... ........20 TABLE 1.2 CONT ROL INPUTS ....................................................................................................... ........21 TABLE 1.3 FINAL TEST AND CALIBRATION VALUES .................[...]

1.0 INTRODUCTION 1.1 Preface Teledyne API is pleased that you have purchased the Model 450H. We offer a full one- year warranty (see Section 1.2) and we at Teledyne API will be pleased to provide you with any support required so that you may utilize our equipment to the fullest extent. The Model 450H is a microprocessor base d high concentration oz[...]

1.2 WARRANTY POLICY ADVANCED POLLUTION INSTRUMENTATION DIVISION 02024c Prior to shipment, Teledyne API equipment is thoroughly inspected and tested. Should equipment failure occur, Teledyne API assures its customers that prompt service and support will be available. COVERAGE After the warranty period and throughout the equipment lifetime, Teledyne [...]

All units or components returned to Te ledyne API should be properly packed for handling and returned freight prepaid to the nearest designated Service Center. After the repair, the equipment will be re tu rn ed , f re ig ht p r ep ai d. 1.3 Principle of Operation The detection of ozone molecules is based on absorption of 254 nm UV light due to an [...]

P/N 02826B1 Teledyne API Model 450H O 3 Monitor Instruction Manual - Page 10[...]

1.4 Specifications Measurement Principle UV Absorption (Beer Lambert Law) Ranges 0-5%, 0-10%, 0-15% w/w 0-100 g/m 3 , 0-200 g/m 3 , 0-300 g/m 3 Measurement Units wt%, g/m 3 , g/Nm 3 (Operator selectable) Precision/Repeatability ± 0.5% of full scale range Resolution 0.1 % w/w Linearity 1% Response Time (95%) <5 sec to 95% Compensation Pressure, [...]

1. Instruction manual. 2. Power Cord CAUTION To avoid personal injury, always use two persons to lift and carry the Model 450H. Upon receiving the Model 450H please do the following: 1. Verify no apparent shipping damage. (If damage has occurred please advise shipper first, then Teledyne API.) 2. Before connecting power to the instrument, ch eck th[...]

5. If the M450H has been conf igured with the auto-zero valve option, connect the oxygen or other zero gas source to the ¼” t ube fitting labeled ‘Zero Gas Inlet.’ Do not exceed 30 psig in the zero air delivery line. NOTE The zero gas used must be clean and free of particles. If the gas contains particulate contamination, install a particula[...]

1.6 Installation (NEMA 4X Wall Mount Enclosure) The Model 450H NEMA 4X is shipped with the following standard equipment: 1. Instruction manual. CAUTION To avoid personal injury, always use two persons to lift and carry the Model 450H. Upon receiving the Model 450H please do the following: 2. Verify no apparent shipping damage. (If dam age has occur[...]

7. Connect the ozone delivery line to the ¼” inlet fitting on the bottom of the filter assembly. This assembly is located on the bottom face of the enclosure (See Figure 1.3.) The ozone delivery pre ssure should be regulated to no more than 30psig. All tubing used should be ma de of ozone resistant material such as PTFE(Teflon ™ ) or PFA. If n[...]

FIGURE 1.1 – NEMA 4X MOUNTING HOLE DIMENSIONS P/N 02826B1 Teledyne API Model 450H O 3 Monitor Instruction Manual - Page 16[...]

FIGURE 1.2 – NEMA 4X ELECTRICAL POWER CONNECTIONS P/N 02826B1 Teledyne API Model 450H O 3 Monitor Instruction Manual - Page 17[...]

FIGURE 1.3 – NEMA 4X PNEUMATIC CONNECTIONS P/N 02826B1 Teledyne API Model 450H O 3 Monitor Instruction Manual - Page 18[...]

FIGURE 1.4 - ELECTRICAL SIGNAL I/O CONNECTIONS 1.6 Electrical I/O Connections 1.6.1 Analog Output The analog output is a two pin connector (See Figure 1.4). The analog output can be configured for voltage or current output. Th e standard is a 0-5 volt output. 0-100mV, 0- 1V, 0-10V, and 4-20 mA outputs are also ava ilable. See Section 5.2 for inform[...]

Output Description Normal Operating State 1 Power OK ON 2 Diagnostics Mode(Instrument not monitoring) OFF 3 Temperature Fault OFF 4 Pressure Fault OFF 5 UV Lamp Fault OFF 6 Flow Fault OFF 7 Performing Auto-Zero Calibration OFF 8-11 Not Used N/A 12 System OK(no faults) ON TABLE 1.1 DIGITAL OUTPUTS Each digital output is configured as a Collect or/Em[...]

Input Description 1 Zero Calibrate 2 Undefined (Spare) 3 Undefined (Spare) 4 Undefined (Spare) 5 Undefined (Spare) 6 Undefined (Spare) TABLE 1.2 CONTROL INPUTS Zero Calibrate: The zero calibration input is used to initiate zero calibration from an external device. This control input only functions when the instrument has been configured with the Au[...]

FIGURE 1.6 – NEMA4X ASSEMBLY LAYOUT AUTO ZERO VALV E N EEDLE VALV E (0.5 - 2.0 L/M in) SAM PLE FILTER OZONE I N LET ZERO G A S IN LET EXHAU ST OZONE SEN SOR PRESSU RE SEN SOR OZONE KILLER FLOW-METER UV L A M P MO T H ER B V/ F CP U DC P O W E R SO A C L I N E OZ ON E A UT O- Z E RO SEN S O R GAS F I LT E R A C P O W E R N EED L E FIGURE 1.7 - M45[...]

POWER SUPPL Y MODULE Figure 1.8 - 19” Rack Assembly Layout P/N 02826B1 Teledyne API Model 450H O 3 Monitor Instruction Manual - Page 23[...]

1.7 Operation verification The Model 450H Monitor is now ready for operation. 1. Read Sections 1.3 and all of Secti on 2 of the manual to understand the Monitor's operation. 2. Turn on the power by pressing the on/o ff switch (see Figure 2.1). The display should turn on and green (sample) st atus LED should be energized. The yellow "fault[...]

TEST Values Observed Value Units Nominal Range O3 MEAS mV 4200-4700 O3 REF mV 4200-4700 PRESS in-Hg-A 25 - 35 GAS TEMP o C 20-50 FLOW L/MIN 0.5-2 Noise Values Noise at Zero(rms) G/Nm3 .5-1.5 Factory Installed Options Option Installed Power Voltage/Frequency Auto-Zero Valve Ozone Killer Flow-Meter Flow Switch Rack Mount, w/ Slides Isolated 4-20mA Ou[...]

1.8 Options 1.8.1 Auto-Zero Option This option consists of a three way valve th at is used to admit custom er supplied oxygen or zero gas into the instrument for performi ng an autom atic or manual zero calibration. This calibration can be done automatically once a day or at some other pre-set interval, or can be controlled by an external system, s[...]

2.0 OPERATION 2.1 Key features The important features of the Teledyne API Model 450H Ozone Monitor are listed below. 2.1.1 O 3 readout The Teledyne API Model 450H O 3 Monitor constantly displays the current ozone reading (in units selected) in the upper right hand corner of the alphanumeric display. 2.1.2 Concentration Alarms The Teledyne API O3 Mo[...]

2.2 Front Panel Display This section describes the operator interface fr om the point of view of the front panel. The front panel consists of a 2-line by 40- character alphanumeric display, 8 pushbuttons, and 3 status LED’s. Each of these features is described below. 2.2.1 Front panel display fields The display is divided into 4 main "fields[...]

Message/Test M easurement Field The message field shows warning messages or test m easurements. Tables 2.2 and 2.3 summarize the test m easurements and warni ng messages and their m eanings. Refer to Section 2.3 for detailed information on viewi ng test m easurements and warning messages and clearing warnings. Test Message Meaning TIME=xx:xx:xx Cur[...]

2.2.2 Status LED’s The three status LED’s to the right of the display indicate the general status of the Model 450H Monitor. The green SAMPLE LED indi cates the sampling status. The yellow FAULT LED indicates the fault status . The red ALARM LED indicates the concentration alarm status. Table 2.4 below summ arizes the meanings of the status LED[...]

When the MSG button is displayed, it indicates that one or more warnings have been issued. To view the warning messages, press the MSG button. Repeatedly pressing this button will cycle through all available warning messages. Pressing CLR will clear the warning message from the display. Note: If the conditions that caused the warning messages are s[...]

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3.0 SETUP MODE This section describes the setup variables wh ich are used to configure the Monitor. All the setup variables are stored in the Mon itor's EEPROM and are retained during power off and even when new software revisions are installed. NOTE If a variable is modified, but ENTR is not pressed, the variable will not be changed and the m[...]

3.1 Setting the Concentration Alarms (ALRM) To configure the concentration alarms, press ALRM from the SETUP m enu. The software will now show a series of prompts f or configuring the HI and HI-HI alarms. Each alarm can be independantly enabled and disabled as follows: HI ALARM:OFF Pressing the leftmost button on the displa y will toggle the HI Ala[...]

CPU will display the current time-of-day as four digits in the fo rmat "HH:MM", where "HH" is the hour in 24-hour fo rmat (i.e. hours range from 00 to 23) and "MM" is the minute (00 - 59). The operator may cha nge the tim e-of-day and then press ENTR to accept the new time, or press EXIT to leave the time unchanged. To[...]

3.5 Setup variables (VARS) The setup variables are global settings th at can be configured by the user. Note : Do not arbitrarily change these settings since these variables affect the fundamental operation of the instrument. The setup variables ar e accessed from the m ain menu by pressing SETUP-VARS. Use the PREV or NEXT buttons to scroll to the [...]

This variable determines length of tim e that zero gas is admitted into the measurem ent cell before the zero calibration is performed. This value m ust be set to a long enough interval to ensure that the cell is purged of all ozone before the calibration is performed. The defaul value is 20 seconds. 7) AZERO_HOLD_OFF This variable determines the l[...]

3.5 Diagnostics (DIAG) 3.5.1 Zero Calibration This menu is used for performing m anual zero calibration of the M450H. If the Auto-Zero option has been installed and the USE_ZERO_VALVE variable has been enabled (See Section 3.5) then this calibration can be done using gas from the Zero Gas inlet port on the monitor. If this valve is not used, then t[...]

4.0 Maintenance 4.1 Replacing the gas filter element The Model 450H comes equipped with a gas f ilter on the ozone inlet. These filters accept 25mm diam eter glass fiber elements. On ly filter elements of borosilicate glass or quartz fibers should be used. When the instru m ent is first installed, the sample filters should be checked at least once [...]

Figure 4.1 below shows the disassembly of th e measurem ent cell for cleaning. The cell can be easily disassembled after removing the (4) #8-32 screws from the rear of the sensor assembly. The two sapphire Cell Windows and the Stainless Steel Cell Spacer can be cleaned with isopropyl alcohol and rinsed with distilled water. Before reassembly, inspe[...]

5.0 ADJUSTMENTS CAUTION RISK OF ELECTRICAL SHOCK. THE OPERATIONS OUTLINED IN THE FOLLOWING SECTIONS OF THIS CHAPTER ARE TO BE PERFORMED BY QUALIFIED MAINTENANCE PERSONNEL ONLY! 5.1 Calibration The Model 450H is calibrated using a wet chemistry m ethod (double buffered KI) prior to shipment. The M450H should operate for extended periods without cali[...]

FIGURE 4.2- ANALOG OUTPUT JUMPERS 5.3 A/D - D/A Calibration Procedure This procedure should be performed whenever a circuit board assembly is exchanged or whenever the analog output voltage range is changed. To calibrate the ADC, do the following: 1. Press SETUP-DIAG . 2. Enter Diagnostic password and press NEXT until D/A CALIBRATION appears in the[...]

5.4 Current Loop Calibration A current loop option can be ordered that will provide a 0-20m A or 4-20mA output on the analog output. This calibration must be re peated every time an A/D - D/A calibration is performed. To calibrate the current output, perform the following steps: 1. Perform an A/D - D/A calibration as outlined in Section 5.3. 2. Con[...]

zero point can be adjusted anywhere between 0 and 4 milliamps. Press ENTR when you have reached the desired zero point as measured by your test mete r. 7. The display will now prompt you to adjust the Gain, or full-scale output of the current loop. Using the UP and DOWN bu ttons as in step 4, adjust the full- scale (usually 20ma) and press ENTR . T[...]

APPENDIX A – SOFTWARE MENU TREE P/N 02826B1 Teledyne API Model 450H O 3 Monitor Instruction Manual - Page 45[...]

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APPENDIX B – SPARE PARTS LIST PART NO. DESCRIPTION 030360000 Teledyne API Model 450H Spare Parts List 002760451 CPU Board (450H) 005140300 V/F Board 007040000 Keyboard 007280000 Display 015610000 I2C/Sub Mux, M450 023480000 Filter PAD, Ozone Scrubber 023620100 Rear Panel PCA, Single Channel 023900000 UV Lamp Supply 024040000 Power Supply Module, [...]

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APPENDIX C - ELECTRICAL SCHEMATIC INDEX Drawing Number Title 00514 V/F - I/O Card Assem bly 00515 V/F - I/O Card Schem atic 00704 Keyboard Assembly 00705 Keyboard Schematic 0147802 Motherboard Assembly 01479 Motherboard Schmatic 01561 I2C/SubMux Assembly 01562 I2C/SubMux Schematic 02322 UV Lam p Supply Assembly 02323 UV Lam p Supply Schematic 02362[...]