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Troubleshooting

TOCII CA72TOC

124

Hauser

9

Troubleshooting

The analyzer permanently monitors its functions automatically. Any errors detected by the device
are shown on the display.

#

Warning!
Troubleshooting work on the components behind the mounting plate may only be carried out by an
electrical technician.

#

Warning!
Wear acid-resistant protective gloves, protective goggles and a laboratory coat!

9.1

Error messages

Message

Cause

Tests or remedial action

Temperature
too high

The temperature at
the tube furnace is
70 °C above the set
point.

Possible defect:
Temperature sensor,
amplifier, heating
regulator

• Has the temperature set at the furnace regulator been changed?
• Check the amplifier, regulator and temperature sensor.
• Note the temperature or frequency displayed in the module

PRG/TEST/INPUTS/IR DETECTOR AND TEMPERATURE
(850 °C corresponds to a frequency of approx. 70800 Hz). Note
the temperature displayed at the furnace regulator.
Now quickly swap the temperature sensors on the amplifier and
compare the values displayed. If the values do not deviate more
than 1600 Hz and if the temperature displayed at the heating
regulator drops less than 20 °C, the temperature sensors are OK.

• Is the frequency displayed for the temperature

850 °C = 70800 Hz (approx. 83 Hz pro °C)?

Temperature
too low

The temperature is
15 % below the set
point.

When putting back
into operation, or
during service or
maintenance

Possible defect:
Cable, temperature
sensor, amplifier or
heating regulator

Temperature
below xxx °C

The measured
temperature is
30 °C below the set
temperature.

When putting back
into operation, or
during service or
maintenance

Possible defect:
Temperature sensor,
amplifier or heating
regulator

Oxygen failure

The pressure sensor
for monitoring the
oxygen has been
triggered.

Pressure < 1.5 bar.
Oxygen supply failure

Possible defect:
Pressure sensor, cable
or I/O card

• Check the supply of oxygen.
• Check signal processing (I/O card slot No. 28, switch input I8)

Go to the programming module PRG/TEST/INPUTS/SWITCH
INPUTS. Release the connecting cable on the pressure switch and
short-circuit the contacts. The switch state of input I8 should react
on the display.
If it does, replace the pressure switch.
If it does not, use a multimeter to check that there are no
interruptions in the cable. Replace the I/O card if the cable is OK.

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Содержание TOCII CA72TOC

Страница 1: ...BA448C 07 en 06 10 71118197 Operating Instructions TOCII CA72TOC Analyzer for online determination of TOC in aqueous media using thermic catalytic combustion...

Страница 2: ...Endress Hauser...

Страница 3: ...check 26 5 Operation 27 5 1 Operating elements 27 5 2 Display and keypad 28 5 3 Operation during measuring mode 30 5 3 1 Recording mode 30 5 3 2 Spot view 30 5 4 Standby mode 31 6 Commissioning 32 6 1...

Страница 4: ...pty volume dosing 88 7 8 4 Adjusting the pH sensor 91 7 9 Cleaning 95 7 9 1 Screen flushing 95 7 9 2 Power flush 96 7 9 3 Bypass screen 97 7 9 4 Strip and separation chamber 99 7 9 5 Opening the circu...

Страница 5: ...these Operating Instructions and must adhere to them Before commissioning the entire measuring point check all the connections Ensure that electrical cables and hose connections are not damaged Do not...

Страница 6: ...arning This symbol alerts you to hazards that can cause serious damage to the instrument or to persons if ignored Caution This symbol alerts you to possible faults which could arise from incorrect ope...

Страница 7: ...uring points time controlled 3 2 measuring points external controlled Operation mode A Batch mode Power supply 0 230 VAC 50 Hz 1 115 VAC 60 Hz 2 115 VAC 50 Hz 3 230 VAC 60 Hz 9 Special version accordi...

Страница 8: ...t your supplier or your local sales center 2 3 Certificates and approvals Declaration of conformity The product meets the requirements of the harmonized European standards It thus complies with the le...

Страница 9: ...orm the supplier about damage to the contents Keep the damaged products until the matter has been settled Check that the order is complete and agrees with your shipping documents The packaging materia...

Страница 10: ...onditions 3 2 1 Methods of installation The analyzer can be mounted in three ways As a standalone desktop unit Mounted to the wall option F1 Mounted on a base frame option F2 a0012435 Fig 1 Dimensions...

Страница 11: ...er infeed pressure 4 to 10 bar 58 to 145 psi and a pressure regulator Connection 4 6 mm DN The water is connected via a 6 8 mm DN or G3 8 coupling The pressure must be between 2 and 4 bar 29 to 58 psi...

Страница 12: ...ount the reagent tray under the analyzer 4 When using the sample predilution option screw the two holders for the calibration standards onto the left hand side of the device 5 Mount the vent on the sa...

Страница 13: ...frame 3 3 4 Connecting the media a0012643 Fig 4 Connections on the left side panel 1 Power cable 2 Gas outlet 3 Gas connection 4 Water connection 5 Bypass rinse water 6 External grounding 7 Standard C...

Страница 14: ...drained off via a hose gland PE DN 1 6 3 2 mm scope of delivery on the left side panel item 10 Acid connection Place the acid cistern in the reagent tray Connect the acid hose to the left side panel i...

Страница 15: ...ing the analyzer is used as a diluted standard in the measuring range from 600 mg TOC l onwards The stripper solution and the parent solutions are available from Endress Hauser see Accessories chapter...

Страница 16: ...can affect the accuracy of measurements For this reason follow the steps outlined below to ensure reagent quality For 10 100 and 500 mg l units use the best grade of reagents For 1 000 5 000 and 10 00...

Страница 17: ...onized water this results in a concentration of 5 mg l Serial dilution is the preferred method to create lower concentrations instead of diluting 1 ml of the 5 000 mg l solution with 99 ml deionized w...

Страница 18: ...5 0 ml 77 0 g of nitric acid Once the chemicals have dissolved top up the mixture with water until the 1 liter mark is reached Stir the solution once more Label the container indicating the contents a...

Страница 19: ...id hose Allow the acid dosing system to regulate read off the feed rate Use of other acids Nitric acid Nitric acid does not form lyophobic salts in the strip chamber The resulting nitrogen oxides in t...

Страница 20: ...power supply system disconnect the mains plug The line filter the overvoltage module and the main switch are still connected to the power supply even when the main switch is switched off Warning Ensur...

Страница 21: ...g diagram 23 1 2 3 4 5 6 7 8 2 3 1 4 44 13 14 23 24 33 34 43 53 44 54 63 64 73 74 84 83 1 2 3 4 6 7 8 9 11 12 5 10 13 L N PE 7 6 4 12 13 2 5 11 8 A 9 10 14 14 40 39 15 15 terminal strip relay module r...

Страница 22: ...lve 2 strip chamber rinsing 13 Solenoid valve 5 bypass screen rinsing 14 Solenoid valve 1 sample standard 15 Solenoid valve 6 channel 1 channel 2 optional 40 Solenoid valve 8 dosing Relay No Relay typ...

Страница 23: ...on III Standby 3 Screen flush external activation IV Operating control 4 Power flush external activation 40 Signal output channel 1 5 Not assigned 41 Signal output channel 2 optional 6 Not assigned 7...

Страница 24: ...ment Power unit wiring arrangement The connections for the power unit are located on the rear side of the computer 20 21 22 23A T 23 24V 24V 24V 24V Connection Description 20 Pump control 24 V DC 21 M...

Страница 25: ...Description 24 IR detector FI 2 25 Temperature amplifier FI 3 26 pH amplifier FI 4 27 Pressure sensor FI 5 28 O2 pressure switch DI 8 29 Leak detector DI 7 30 Standby internal DI 6 34 Peltier cooler...

Страница 26: ...the nameplate 230 V AC 50 60 Hz 115 V AC 50 60 Hz Are current outputs shielded and connected Are the mounted cables strain relieved Are the cable types properly separated Run power supply and signal...

Страница 27: ...alt trap optional Circuit gas flowmeter Dilution water pump P5 optional 15 16 17 18 19 20 21 22 23 24 25 26 Acid hose connector MV4 calibration standard changeover C1 C2 Valve for online sample manual...

Страница 28: ...ing the Service key takes you to the maintenance mode The menu contains the following items Pumps Calibration Cleaning Filter Programming key Once you have pressed the Programming key and entered the...

Страница 29: ...splayed on the screen for the two measurement parameters key period key Use the period key to display the current operating status of the measuring device The data displayed include the following Temp...

Страница 30: ...ng measuring operation takes you to the recording mode Using the arrow keys scroll between the measured values recorded V 1 day earlier W 1 day later U 2 hours earlier T 2 hours later Once you have se...

Страница 31: ...he pressure monitor 2 Pressure monitor 3 Signal connection 4 Protection cap 5 Bypass screen Mode of operation If the flow of sample is interrupted the pressure monitor reports this status to the compu...

Страница 32: ...nt the hose casettes see the Maintenance section Starting the analyzer 1 Start the analyzer see the CLR start section The furnace begins to heat up 2 Place the stripping reagent and the C1 and C2 pare...

Страница 33: ...ion is loaded 2 The following information appears on the screen once the program has been loaded 3 Press the E key 4 The following information appears on the screen 5 Press the E key The analyzer heat...

Страница 34: ...owing menu appears a0012583 en Fig 14 Programming menu The operating parameters are stored in the analyzer and are retained in the event of a software update Within the menu items pressing the key tak...

Страница 35: ...AYBREAK 0 Time of day changeover This parameter controls automatic events e g automatic calibration starts 90 minutes before the day changes i e 5 00 a m if the day changes at 6 30 a m 6 5 is equivale...

Страница 36: ...me with the numeric keypad 4 Press the E key The display starts showing the seconds 5 Press the E key SETTING LISTS P R O G R A M M I N G TEST RANGE DATA SET CLOCK ALARM LIMITS BASIC DATA SET DEFAULTS...

Страница 37: ...ANTS Do not change this value X0 0 0 Offset value is overwritten during adjustment KP 50 Slope value is overwritten during adjustment PH CONTROL 1 00 The measuring device is equipped with automatic pH...

Страница 38: ...19 Lists menu This menu item displays the maximum minimum and average measured values for the days saved Step Display Description 1 2 If you are sure that you want to reset to the factory settings pre...

Страница 39: ...alyzer and the CO2 concentrations of the standard solutions are adjusted Value 1 CO2 concentration of C1 ppm Value 2 CO2 concentration of C2 ppm ADJUSTMENT CONSTANTS Date and time and the adjustment c...

Страница 40: ...f the basic line drift when calibrating and adjusting Value 1 Basic line offset ppm Value 2 Basic line drift slope ppm min EMPTY VOLUME DOSING Date and time when selected in the service menu Value 1 D...

Страница 41: ...r restarts automatically once the error status is reset OUT OF RANGE The value is outside the measuring range The IR detector has been working above its maximum value for over 10 minutes or the measur...

Страница 42: ...rds 6 3 11 Menu TEST TEST OF INPUTS SETTING LISTS P R O G R A M M I N G TEST MAX MIN AVERAGE MAINTENANCE RECORD ALARM RECORD SHOW COMPLETE RECORDS XX XX XX XX XXXXXXXXXXXXX Date Time Event XX XX XX XX...

Страница 43: ...suring operation is still active in the background or not If you test the inputs when background operation is active e g jumpering the leak detector the appropriate error response measures are trigger...

Страница 44: ...able SETTING LISTS P R O G R A M M I N G TEST TEST OF INPUTS TEST OF OUTPUTS TEST FREQUENCY I O TEST COM2 MEASUREMENT OFF TEST O U T P U T S DC SIGNAL DIGITAL OUTPUTS PUMPS 0 0 mA 0 0 mA TEST DC SIGNA...

Страница 45: ...standard and sample Sample Standard solution SA2 Flushing valve for power flushing Strip chamber flushing switched off Strip chamber flushing switched on SA3 O2 supply tube furnace controller Peltier...

Страница 46: ...s at signal input 8 changes the measuring cycle is terminated immediately and the system immediately commences channel switchover If the Operation key is pressed during channel switchover the process...

Страница 47: ...nnel in question is undershot Parameter Unit Description SCALE AO CH1 Scale end value of the analog output of channel 1 SCALE AO CH2 Scale end value of the analog output of channel 2 Parameter Unit De...

Страница 48: ...nu PROGRAMMING SETTING RANGE DATA Settings for the analog outputs You must enter the following parameters in the Basic Data menu PROGRAMMING SETTING BASIC DATA Settings for the alarm limits You must e...

Страница 49: ...for about 10 seconds switch over to the other channel When you force a switch over to the other channel via keyboard or binary in 8 the measuring cycle will be stopped immediately and the switch over...

Страница 50: ...g 300 l You can change the pump setting in the programming mode SETTING RANGE DATA Increasing the pump delivery rate increases the measuring signal A 50 increase in the feed rate is equivalent to an i...

Страница 51: ...ve for stripping gas during commissioning The flow range is 50 to 300 ml min 0 8 to 4 7 gal hr The necessary minimum flow depends on The value level to be measured The feed rate of P1 The TIC contents...

Страница 52: ...eration enabled 2 Adjustment or calibration 3 Service 4 Programming 5 Channel 2 measuring operation enabled 3 Leakage 0 off 1 on 4 Temperature too high 0 off 1 on 5 Low carrier gas supply 0 off 1 on 6...

Страница 53: ...any of the units powered by the power relay 1 Power supply active 28 0 Standard C1 is dosed 1 Standard C2 is dosed If relay 1 byte 25 is set to 1 29 Flushing sample conditioning 30 Only important for...

Страница 54: ...lace CO2 difference calculated from the measuring cycle 61 Separator 62 to 67 pH value 2 decimal places 68 Separator 69 to 74 Number of drops dosed into furnace No decimal places 75 Separator 76 to 81...

Страница 55: ...ration and pose a safety hazard The maintenance intervals depend greatly on your application For this reason adapt the maintenance intervals to your specific requirements but make sure to perform thes...

Страница 56: ...10 111 MV8 115 106 106b signal P pH P2 Sample P1 1 Sample Standard 1 Standard 2 Sample preparation Separator Stripper P3 Acid Acid P4 Sample Mixer P5 Dilution water Gas supply Water supply Acid Water...

Страница 57: ...filter Tube furnace with catalyst Combined filter Heated salt trap optional Circuit gas flowmeter Dilution water pump P5 optional 15 16 17 18 19 20 21 22 23 24 25 26 Acid hose connector MV4 calibratio...

Страница 58: ...ysis Pressure amplifier Computer unit Power distribution Magnetic stirrer control 15 16 17 18 19 20 21 22 23 24 25 26 27 28 pH amplifier Carrier gas dosing valve Stripping gas dosing valve MV7 carrier...

Страница 59: ...ether the measurement is operating in the standard range Is the sample supply OK To check hold a collecting vessel under the valve and set the valve briefly to Manual sample Does the sample flow out o...

Страница 60: ...solution Consult a physician and show him her the information on the canister Only use original canisters for measurement No liability is accepted for damage resulting from the use of other chemicals...

Страница 61: ...EEN stops the measuring operation 2 Change the standard solution as follows 1 Remove the canister for the standard solution 2 Dispose of any remaining standard solution 3 Rinse the canister with deion...

Страница 62: ...replace hose Calibrate pump 2 Calibration Analyzer adjustment Analyzer calibration Empty volume dosing Adjustment pH sensor Cleaning Screen flush Power flush Bypass screen Stripper separation Open gas...

Страница 63: ...delivery rate is determined Warning Danger of crushing Never reach into the pump head while the pump is in operation a0012483 Fig 33 Position of pumps P1 and P4 You require the following parts 10 ml g...

Страница 64: ...head 6 Condensate hose BK BK 0 76 mm 0 03 ID 3 Hose cassette sample hose 7 Sample hose VT WH 2 79 mm 0 11 ID 4 Hose cassette condensate hose 8 Adjusting screw Step Display Description 1 2 Warning The...

Страница 65: ...ow open the hose cassette for pump 4 3 Drain the strip chamber 4 Press the E key For version without predilution 1 Open the hose cassette for pump 1 2 Drain the strip chamber 3 Press the E key Step Di...

Страница 66: ...n now check the contact pressure of the hose cassette 1 Release the adjusting screw item 8 until no more medium is conveyed 2 Now tighten the adjusting screw until the unit starts to pump medium again...

Страница 67: ...ess the E key 8 1 Seal the strip chamber inlet with a separate plug e g plug for leak test 2 Connect hose P4 at the pressure side 3 Press the E key Step Display Description REPLACE HOSE P1 4 E TO CONF...

Страница 68: ...pump medium again Even medium delivery should be visible across all pump heads 3 Tighten the adjusting screw one revolution 4 Reconnect the pressure side of the condensate hose 10 If required you can...

Страница 69: ...the bypass with pump P4 until dilution 3 Press the E key 13 Stabilize dilution Continue with Step 18 Step Display Description REPLACE HOSE P1 4 E TO CONFIRM START STOP PUMP 1 60sec NEW VOLUME DELIVER...

Страница 70: ...ting screw until the unit starts to pump medium again Even medium delivery should be visible across all pump heads 3 Tighten the adjusting screw one revolution 4 Reconnect the pressure side of the con...

Страница 71: ...s the E key 18 Automatic filling of the strip chamber conditioning of the strip chamber with active acid dosing Step Display Description REPLACE HOSE P1 4 E TO CONFIRM START STOP PUMP 1 60sec NEW VOLU...

Страница 72: ...s service menu finishes 1 Adjusting pump P2 2 Empty volume dosing Warning Danger of crushing Never reach into the pump head while the pump is in operation a0012484 Fig 35 Position of pump P2 You requi...

Страница 73: ...ple hose BK BK 0 76 mm 0 03 ID 6 Motor Step Display Description 1 2 Warning There is a risk of infection when working with wastewater For this reason wear protective goggles protective gloves and prot...

Страница 74: ...er 2 Disengage the hose cassette 3 Change the hose 4 Use the dosing nozzle of the injector to expand the hose end 5 Engage the hose cassette 6 Press the E key 6 1 Seal the separation chamber 2 Connect...

Страница 75: ...cing the hose on pump P3 This section describes how the hose of pump P3 is replaced Warning Danger of crushing Never reach into the pump head while the pump is in operation a0012485 Fig 37 Position of...

Страница 76: ...nt protective gloves protective goggles and protective clothing Rinse areas splashed with acid immediately with plenty of water and 1 sodium hydrocarbonate solution Consult a physician and show him he...

Страница 77: ...of dust Grease the new hoses with a light coating of silicone grease 1 Release the pump hose from the connections 2 Change the hose 3 Press the E key 6 1 Connect the hose of pump P1 to the strip chamb...

Страница 78: ...the unit starts to pump medium again Even medium delivery should be visible across all pump heads 3 Tighten the adjusting screw one revolution Continue with Step 8 for versions with predilution Contin...

Страница 79: ...f crushing Never reach into the pump head while the pump is in operation a0012484 Fig 39 Position of pump P2 You require the following parts 10 ml graduated cylinder 2 5 mm Allen key Dosing nozzle inj...

Страница 80: ...y flow of medium is pumped If a steady flow of medium does not occur you can check the contact pressure of the hose cassette 1 Release the adjusting screw item 6 until no more medium is conveyed 2 Now...

Страница 81: ...controlled dosage 5 Pump P2 pumps at 100 for 10 minutes 6 Enter the delivery volume determined The value typically lies between 8 5 and 9 5 ml 0 29 and 0 32 fl oz 7 1 Connect hose P2 2 Press the E ke...

Страница 82: ...Endress Hauser Service The maintenance intervals can be shorter if you use drinking water as the dilution medium a0014102 Fig 41 Position of pump P5 Note You require a special tool to service the pum...

Страница 83: ...ce Assembling pump P5 1 Fit the seal retaining ring item 3 over the ceramic piston The side pointing towards the crosspin on the piston must fit into the U shaped metal part 2 Fit the mounting sleeve...

Страница 84: ...2547 en Fig 43 Calculation of the measuring signal a0012549 Fig 44 Calculation of the offset X0 a0012548 en Fig 45 Calculation of the standardized slope Kp a0012550 en Fig 46 Adjustment curve CO2 C1 C...

Страница 85: ...EMPTY VOLUME DOSING ADJUSTMENT pH SENSOR binary out binary out 1 2 3 4 5 6 7 8 binary in binary in 0 4 20 mA 0 4 20 mA RS 232 RS 232 I III IV II 40 41 1 2 1 2 1 2 1 2 24VDC GND 24VDC GND 24VDC GND 24V...

Страница 86: ...ibration Step Display Description 1 2 For CAL ADJUSTM n DAY specify after how many days an adjustment should be performed It is generally not necessary to select more than one adjustment every three d...

Страница 87: ...al activation 5 Not assigned 2 Adjustment external activation 6 Not assigned 3 Screen flush external activation 7 Standby external activation 4 Power flush external activation 8 Channel switchover ext...

Страница 88: ...ATION CHECK is open until a new measured value is present during operation If the analog output is used for control purposes this OPERATION CHECK signal can be used to declare the analog output as inv...

Страница 89: ...meter 5 Measuring operation is started once you confirm with the E key Empty volume dosing ends 6 The system has timed out Determine the empty volume manually The service is restarted and the automati...

Страница 90: ...VOLUME DOSING log The value determined is saved in the EMPTY VOLUME P2 l parameter 11 Measuring operation is started once you confirm with the E key Empty volume dosing ends Step Display Description D...

Страница 91: ...rm two point adjustment on the pH sensor a0012478 Fig 50 Position of the sensor To adjust the pH sensor you require Deionized water Buffer solution pH 4 00 Buffer solution pH 7 00 Paper towels to abso...

Страница 92: ...00 3 Press the E key 4 1 Wait until the measured value stabilizes a bar appears to the right of the measured value 2 Press the E key PUMPS CALIBRATION S E R V I C E CLEANING FILTERS ANALYZER ADJUSTMEN...

Страница 93: ...n values Typical slope value between 55 mV decade and 58 mV decade 7 1 Put the pH sensor into the strip chamber 2 Screw the cover of the strip chamber closed hand tight 3 Press the E key Operation sta...

Страница 94: ...onstants are not accepted Check the buffer solutions Check the sensor or Replace the sensor Repeat the adjustment Step Display Description ADJUSTMENT pH SENSOR SLOPE xx mV DECADE ERROR pH ADJUSTMENT C...

Страница 95: ...2726 Fig 52 Position of the screen Screen flushing runs automatically after startup and can be started in three ways Activated manually Activated remotely Activated automatically Operation starts auto...

Страница 96: ...e strip and separation chamber Power flushing runs automatically after startup and can be started in three ways Activated manually Activated remotely Activated automatically Operation starts automatic...

Страница 97: ...the following parts Bottle brush Paper towels 1 2 3 4 5 6 7 8 1 Upper thread adapter nut 5 Vent 2 Bypass elbow 6 Bypass screen 3 Lower thread adapter nut 7 O ring 4 Bypass screen housing 8 O ring Ste...

Страница 98: ...ve back to the previous position 3 Release the lower and upper thread adapter nut items 1 3 4 Remove the bypass elbow item 2 5 Remove the bypass screen 6 Clean the bypass screen and the housing with a...

Страница 99: ...ip and separation chamber and replace the glass bead a0012478 Fig 55 Position of the strip and separation chamber You require the following parts 4 mm Allen key Injector part of the scope of supply Gl...

Страница 100: ...ber cover 3 Strip chamber thread adapter nut 10 Magnetic stir bar 4 Coupling 11 Glass bead 5 Strip chamber 12 Glass frit 6 Coupling drain 13 O ring 7 Separation chamber thread adapter nut 14 Coupling...

Страница 101: ...d adapter nut item 3 on the strip chamber 2 Release the cable of the pH sensor 3 Remove the cover item 2 with the pH sensor item 1 from the strip chamber item 5 4 Release the coupling item 14 and remo...

Страница 102: ...ecuring screw For complete removal you must disconnect the connector of the magnetic stirrer controller 12 Clean the pH sensor see the Brief Operating Instructions of the pH sensor 13 Insert a new gla...

Страница 103: ...ry is cleaned or replaced The furnace temperature is not reduced The system continues to perform sample conditioning stripping a0012498 Fig 57 Position of the dosing unit You require the following par...

Страница 104: ...ue on the capillary or replace the capillary 5 Check the O ring item 4 and also check the O ring item 3 if replacing the capillary 6 Insert the dosing head and tighten the red screw plug 7 Fit the hos...

Страница 105: ...es how the combustion pipe is cleaned and replaced or how the entire furnace is replaced The furnace heating system is switched off a0012530 Fig 59 Position of the furnace You require the following pa...

Страница 106: ...w 2 Red screw plug 7 Seal 3 Furnace cover 8 Optional heatable salt trap 4 Thread adapter nut 9 Safety guard 5 Furnace outlet 10 Combustion pipe Step Display Description 1 PUMPS CALIBRATION S E R V I C...

Страница 107: ...the operation of the measuring device 1 If a heatable salt trap is installed release the hose and electrical connection at the heatable salt trap 2 Release the hoses on the dosing head and swivel the...

Страница 108: ...late 2 Remove the knurled head screw item 6 Remove the furnace outlet and the O ring from the combustion pipe 3 Release the red screw plug item 2 and remove the dosing head item 1 4 Remove the safety...

Страница 109: ...t the cleaned furnace outlet and a clean O ring into the combustion pipe and tighten the knurled head screw hand tight 9 If you are not using the optional heatable salt trap connect the hose of the fu...

Страница 110: ...y 9 The carrier gas valve MV7 relay 7 is opened as soon as 85 of the set temperature is reached The system flushes permanently with carrier gas Sample conditioning takes place strip chamber after the...

Страница 111: ...lied a0012531 Fig 61 Left hand side of the housing 1 Gas outlet 2 Switch for membrane compressor 1 2 Step Display Description 1 2 1 Switch off the membrane compressor item 2 2 Seal the gas outlet with...

Страница 112: ...e pressure loss must be 3 mbar min Values are typically between 0 5 and 2 0 mbar min If the loss in pressure is 3 mbar min divide the gas circuit into smaller sections Repeat the process until you hav...

Страница 113: ...e from the flow rate and pressure level of the gas circuit If the zinc or copper are discolored a0012500 Fig 62 Position of the acid filter You require the following parts part of the wear parts kit G...

Страница 114: ...th zinc see order of items 6 and 7 Allow enough room for the second piece of fabric 7 Roll the fabric into a roll and use it to close the filling in the acid filter item 5 8 Clean the O rings and seal...

Страница 115: ...7 10 2 Replacing the gas filter This section describes how the gas filter is replaced Replace the gas filter if it is blocked a0012500 Fig 64 Position of the gas filter a0012307 Fig 65 Gas filter 1 C...

Страница 116: ...e coupling item 3 and then connect the filter to the acid filter with the coupling item 1 Make sure that the cone is properly positioned on the filter 4 Tighten the two couplings Operation starts init...

Страница 117: ...ction block with O2 filter 1 Gas connection block 2 O2 filter 3 Coupling 1 2 3 Step Display Description 1 2 Caution Wear protective goggles 1 Close the gas supply valve 2 Relieve the pressure on the p...

Страница 118: ...key 5 The furnace heats up Measuring operation starts automatically as soon as 90 of the set temperature is reached and the CO2 value has dropped below the threshold value During this time sample cond...

Страница 119: ...Fig 67 Position of the heated salt trap You require the following parts 4 mm Allen key Deionized water Heat resistant gloves a0012516 Fig 68 Heated salt trap when installed 1 Retaining bracket 2 Heate...

Страница 120: ...to ensure the furnace does not cool down too much 1 Release the hose connections on the dosing head 2 Unlock the furnace and swivel it outwards 3 Release the electrical connection to the salt trap 4 P...

Страница 121: ...he glass nozzle with a slight suction effect You can adjust the seal with the clamp screw The seal should not be too tight however 3 Push the salt trap under the furnace 4 Fold down the retaining bar...

Страница 122: ...f the set temperature has been reached 8 Press the E key to start measuring operation Step Display Description XXX REPLACE HEATED FILTER TEMPERATURE C WAIT UNTIL 90 OF SET TEMP IS REACHED XXX REPLACE...

Страница 123: ...68 fl oz order no CPY20 C01A1 pH 7 00 20 x 18 ml 0 68 fl oz order no CPY20 E01A1 Furnace conditioning station 230 V AC 50 60 Hz order number 71103492 115 V AC 50 60 Hz order number 71103493 Standard...

Страница 124: ...ate more than 1600 Hz and if the temperature displayed at the heating regulator drops less than 20 C the temperature sensors are OK Is the frequency displayed for the temperature 850 C 70800 Hz approx...

Страница 125: ...an automatic warm up phase following a power outage The IR detector does not supply any power during this time The phase is finished after approx 30 s and the analyzer switches automatically to the me...

Страница 126: ...hose for dosing Can a pressure increase be observed Check signal processing I O card slot No 27 frequency input Disconnect the modular jack of the pH measurement system from I O card slot No 26 and in...

Страница 127: ...ave the standard solutions been prepared properly Replace the standard solutions Biological growth in the standard canisters Replace the canisters Dilution option feed rate of pump P4 deviates from th...

Страница 128: ...ent 800 900 C 75 g pack 2 Cone for threaded joint 1 8 28 UNF ETFE 4 Threaded joint with socket 1 4 28 D 1 55 ETFE 2 Threaded joint with socket 1 4 28 D 3 20 ETFE 2 Glass fiber for acid filter 24 x 230...

Страница 129: ...M 0 1 Tube D 3 5 mm FPM 0 6 Tube D 8 12 mm silicone 0 1 Barbed connector 1 8 1 8 PP 2 Dosing needle D 0 84 mm green 1 Syringe 20 ml 1 Tube D 1 2 mm Tygon 400 mm 1 Supplementary tool for salt trap 1 Cr...

Страница 130: ...ible sales center Please use the original packaging if possible Please enclose the completed Declaration of contamination copy the second last page of these Operating Instructions with the packaging a...

Страница 131: ...tion and fit the protection cap onto the sensor 5 Empty the hoses Open the hose cassettes of pumps P1 P2 P3 and if optional dilution takes place P4 Let the rinse water run out of the hoses Remove the...

Страница 132: ...6 Not assigned Input 7 Trigger standby Input 8 Trigger channel switchover optional Output signal Measuring channel 1 0 4 to 20 mA galvanically isolated Measuring channel 2 for two channel version 0 4...

Страница 133: ...iation at 20 of the measuring range BIAS 0 4 Repeatability precision at 80 of the measuring range 1 6 Resolution limit at 80 of the measuring range LDC 4 6 Systematic measured value deviation at 80 of...

Страница 134: ...mpatibility 5 Empty volume dosing 88 Error messages 124 F Filters 113 Fuses 25 G Gas flow 51 H Hose replacement P1 and P4 63 P2 72 P3 75 I Icons 6 Electrical 6 Incoming acceptance 9 Installation 5 9 1...

Страница 135: ...ad 51 Scope of delivery 8 Screen flushing 95 SET CLOCK 36 SET DEFAULTS 38 SETTING ALARM LIMITS 36 BASIC DATA 37 MEASURING SITE 38 RANGE DATA 35 SET CLOCK 36 SET DEFAULTS 38 Setting Gas flow 51 Signal...

Страница 136: ...TOCII CA72TOC 136 Endress Hauser...

Страница 137: ...________________________________________________________________________________________ ______________________________________________________________________________________________________________...

Страница 138: ...www endress com worldwide BA448C 07 en 06 10 71118197 Printed in Germany FM SGML 6 0 DT 71118197...

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