TAC H2S/H2O/O2, Instruction Manual

Page 1: ...grams PART 4 OPERATION 4 1 Screen Display 4 2 Calibration and Start up of the Analyzer 4 3 Calibrate Menu 4 3 1 H2S Calibration Menu 4 3 2 O2 Calibration 4 4 H2S Sensor Settings Menu 4 5 H2S Bump Test...

Page 2: ...SOR WEAK Calibration has calculated sensor is approaching fail condition and will soon need replacement 2 Installation 2 1 Safety Requirements Operators are responsible for performing their own testin...

Page 3: ...equire an additional pressure regulator at the sample tap One to three pressure drops may be necessary to ensure that the analyzer receives a sample that is free of liquids A typical system is illustr...

Page 4: ...il signal A 5 AMP fuse is included to protect the analyzer from an overload A spare fuse is also provided The analyzer draws approximately 1 amp depending on its configuration If the analyzer is power...

Page 5: ...section Sample Vent The sample sweeps through the instrument Sample gas flows here at all times Pipe the sample return to dispose of it wherever appropriate depending on the sample Remember To keep it...

Page 6: ...100 degrees F The display will show when the heater is on The H2O readings may require approximately 24 48 hours to read accurately This time delay varies depending on the length of the sample line h...

Page 7: ...nnet Drive Stafford TX 77477 281 240 4160 www tac controls com 3 Start up Operation Overview 3 2 Typical Flow Diagrams Typical H2S Flow Diagram NOTE Cal Valve not required when analyzer has a Manual C...

Page 8: ...and pump and flow fail press ACKNOWLEDGED Green OK Yellow Sensor Weak Red Fail Red H2S Saturation Setpoints change to red and flashes during alarms 4 1 Screen Display After the analyzer is powered up...

Page 9: ...pot on the front panel can be turned clockwise to increase the value and counter clockwise to decrease the value If necessary use a H2O detection tube to verify the amount of H2O at the sample point...

Page 10: ...To Calibrate H2S 1 From the menu screen press the CALIBRATE button to enter the Calibrate menu screen 2 From the CALIBRATE menu screen press the CALIBRATE H2S BUTTON 3 Verify or change the H2S calibr...

Page 11: ...N position 10 To return to the main screen press the READINGS button 4 3 2 O2 Calibration To Calibrate O2 1 From the CALIBRATE menu screen press the CALIBRATE O2 button 2 To verify or change the O2 ca...

Page 12: ...hly equal The O2 reading and calibration gas should each read 25 ppm Formula Max Cts Full scale range x Cal Std Counts 32 000 100 x 25 8 000 32 000 100 x 50 16 000 Press the VERIFY CALIBRATION button...

Page 13: ...2S SENSOR SETTINGS button 2 Press the respective sensor to turn it off 3 The main screen will show in red that the sensor is off To Perform a Bump Test 1 From the menu screen press the H2S BUMP TEST b...

Page 14: ...Menu To Change the Alarm Settings 1 From the menu screen press the ALARM SETTINGS button 2 The alarm settings menu will be displayed Select the button for the setting you wish to change Set change th...

Page 15: ...t the H2S levels remain higher than the range The analyzer may require purging Saturate mode can be changed to non latch However continuous saturations occurring in non latch mode may decrease sensor...

Page 16: ...w Fail Assembly 12v or 24v To Clear Flow Fail 1 Ensure that the regulators and flow meter s are working properly 2 Check that the sample line for obstructions and clear them 3 Press the ACKNOWLEDGED b...

Page 17: ...set change the 4 20 mA 3 Use the keypad to enter the values and press ENTER to save 4 Press the MENU button to return to the menu screen Press the READINGS button to return to the main screen 1 2 1 2...

Page 18: ...ation 4 8 RTU Modbus Menu To Change the RTU Modbus Settings 1 From the menu screen press the RTU MODBUS button 2 Turn MODBUS OFF when configuring settings Press the desired button s to set change the...

Page 19: ...the MENU button to return to the menu screen Press the READINGS button to return to the main screen To Change the Data Logging Settings 1 From the menu screen press the DATA LOGGING button 2 Press th...

Page 20: ...the MENU button to return to the menu screen Press the READINGS button to return to the main screen To Access the Help Menu 1 From the menu screen press the HELP button 2 The help screen provides the...

Page 21: ...WORD ENABLED or DISABLED to set The Password is set to 2030 To change the default password consult the TAC Support team 4 12 Password Protection Feature A new feature has been added to our analyzers P...

Page 22: ...librate Sample Gas Pressure Read the sample gas pressure at the sample pressure gauge As mentioned in the installation section set this pressure to maintain the correct flow rate as determined during...

Page 23: ...ation Step 1 Disconnect flow tubing at orange connecters x2 Step 2 D Step 4 Carefully lift Sensor Housing cover to expose H20 Sensor Set Sensor Housing safely to the side Step 1 Disconnect flow tubing...

Page 24: ...lacing Membrane Filter To keep a clean sample to the analyzer it is important to replace the membrane filter as needed To Replace the Membrane Filter Unscrew the cap and pull the ring from the membran...

Page 25: ...TEXAS ANALYTICAL CONTROLS 4418 Bluebonnet Drive Stafford TX 77477 281 240 4160 www tac controls com 5 Maintenance 11 15 1 4 11 3 8 7 5 8 9 15 16 1 4 11 5 8 15 1 4 7 5 8 16 3 8 9 14 1 2 5 6 Analyzer E...

Page 26: ...6 1 Frozen Screen Run Idle Mode If the PLC freezes or gets stuck on the TAC Logo screen it maybe in the Idle mode To Change to Run Mode 1 Press the right corner of the touch screen to bring up the Sy...

Page 27: ...Kbytes 1930752 Total Kbytes 1931264 6 2 PLC Loses Program Reload Program If the PLC loses the program it can be reloaded To Reload Program 1 Press the right corner of the touch screen to bring up the...

Page 28: ...ghest quality To continue to improve our systems and add features and capabilities To protect the workers the environment and costly equipment We highly value our relationships with each customer Plea...