Page 2 - SAFETY MESSAGES; CAUTION; The monitor should only be used for the purpose and in the
SAFETY MESSAGES Your safety and the safety of others is very important. We have provided many important safety messages in this manual. Please read these messages carefully. A safety message alerts you to potential hazards that could hurt you or others. Each safety message is associated with a safet...
Page 3 - TABLE OF CONTENTS
TABLE OF CONTENTS SAFETY MESSAGES .................................................................................................................................... II TABLE OF CONTENTS ...................................................................................................................
Page 5 - FIGURES
FIGURES FIGURE 1.1 – NEMA 4X MOUNTING HOLE DIMENSIONS ............................................................ 16 FIGURE 1.2 – NEMA 4X ELECTRICAL POWER CONNECTIONS ................................................. 17 FIGURE 1.3 – NEMA 4X PNEUMATIC CONNECTIONS .......................................
Page 6 - TABLES
TABLES TABLE 1.1 DIGITAL OUTPUTS ..............................................................................................................20 TABLE 1.2 CONTROL INPUTS ...............................................................................................................21 TABLE 1.3 FINAL...
Page 8 - ADVANCED POLLUTION INSTRUMENTATION DIVISION; COVERAGE
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 perio...
Page 9 - Principle of Operation; psi
All units or components returned to Teledyne API should be properly packed for handling and returned freight prepaid to the nearest designated Service Center. After the repair, the equipment will be returned, freight prepaid. 1.3 Principle of Operation The detection of ozone molecules is based on ab...
Page 13 - NOTE; The zero gas used must be clean and free of particles. If the gas
5. If the M450H has been configured with the auto-zero valve option, connect the oxygen or other zero gas source to the ¼” tube 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 parti...
Page 14 - Instruction manual.; To avoid personal injury, always use; two; persons to lift and; Verify that the instrument is set up for proper line voltage and
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 ...
Page 15 - Exhaust gas from the M450H may contain dangerous levels of
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 pressure should be regulated to no more than 30psig. All tubing used should be made of ozone resistant ma...
Page 16 - FIGURE 1.1 – NEMA 4X MOUNTING HOLE DIMENSIONS
FIGURE 1.1 – NEMA 4X MOUNTING HOLE DIMENSIONS P/N 02826B1 Teledyne API Model 450H O3 Monitor Instruction Manual - Page 16
Page 17 - FIGURE 1.2 – NEMA 4X ELECTRICAL POWER CONNECTIONS
FIGURE 1.2 – NEMA 4X ELECTRICAL POWER CONNECTIONS P/N 02826B1 Teledyne API Model 450H O3 Monitor Instruction Manual - Page 17
Page 18 - FIGURE 1.3 – NEMA 4X PNEUMATIC CONNECTIONS
FIGURE 1.3 – NEMA 4X PNEUMATIC CONNECTIONS P/N 02826B1 Teledyne API Model 450H O3 Monitor Instruction Manual - Page 18
Page 24 - Operation verification; TST
1.7 Operation verification The Model 450H Monitor is now ready for operation. 1. Read Sections 1.3 and all of Section 2 of the manual to understand the Monitor's operation. 2. Turn on the power by pressing the on/off switch (see Figure 2.1). The display should turn on and green (sample) status LED s...
Page 25 - TABLE 1.3 FINAL TEST AND CALIBRATION VALUES
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 Fl...
Page 26 - 8V max which is sufficient to drive up to a 1000 ohm load.
1.8 Options 1.8.1 Auto-Zero Option This option consists of a three way valve that is used to admit customer supplied oxygen or zero gas into the instrument for performing an automatic or manual zero calibration. This calibration can be done automatically once a day or at some other pre-set interval,...
Page 27 - E2 ROM backup of software configuration
2.0 OPERATION 2.1 Key features The important features of the Teledyne API Model 450H Ozone Monitor are listed below. 2.1.1 O3 readout The Teledyne API Model 450H O3 Monitor constantly displays the current ozone reading (in units selected) in the upper right hand corner of the alphanumeric display. 2...
Page 28 - Front Panel Display; Mode Field
2.2 Front Panel Display This section describes the operator interface from 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 T...
Page 30 - Software Operation
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 indicates the sampling status. The yellow FAULT LED indicates the fault status. The red ALARM LED indicates the concentration alarm status. Table 2.4 belo...
Page 31 - Clearing Alarms
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...
Page 33 - If a variable is modified, but ENTR is not pressed, the variable will; SETUP; button from the instrument’s main
3.0 SETUP MODE This section describes the setup variables which are used to configure the Monitor. All the setup variables are stored in the Monitor'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,...
Page 38 - ZERO; button once. This button will now change to; ENTR
3.5 Diagnostics (DIAG) 3.5.1 Zero Calibration This menu is used for performing manual 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 ...
Page 39 - Replacing the gas filter element; Filter Replacement Procedure:; Remove the four nuts securing the gas filter assembly.; Cleaning Exterior Surfaces of the M450H
4.0 Maintenance 4.1 Replacing the gas filter element The Model 450H comes equipped with a gas filter on the ozone inlet. These filters accept 25mm diameter glass fiber elements. Only filter elements of borosilicate glass or quartz fibers should be used. When the instrument is first installed, the sa...
Page 40 - FIGURE 4.1 MEASUREMENT CELL DISASSEMBLY; Degree of Protection
Figure 4.1 below shows the disassembly of the measurement 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 rinse...
Page 41 - Changing the analog output range; Full Scale Output
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 method (double buffered KI) prior to shipment. The M450H...
Page 43 - Current Loop Calibration
5.4 Current Loop Calibration A current loop option can be ordered that will provide a 0-20mA or 4-20mA output on the analog output. This calibration must be repeated 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/...
Page 44 - . This completes the current loop; EXIT; several times until you are back at the sample menu.
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 meter. 7. The display will now prompt you to adjust the Gain, or full-scale output of the current loop. Using the UP and DOWN buttons as in step 4, adjust t...
Page 45 - APPENDIX A – SOFTWARE MENU TREE
APPENDIX A – SOFTWARE MENU TREE P/N 02826B1 Teledyne API Model 450H O3 Monitor Instruction Manual - Page 45
Page 47 - APPENDIX B – SPARE PARTS LIST; DESCRIPTION
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 02390000...
