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<8.  MAINTENANCE>

8-9

IM 12B01B30-02EN

1st Edition : Mar. 08, 2023-00

8.9 

Lens cleaning

(1)  Stops supplying power to TB830D.
(2)  Loosen screw A under the detector and open the top cover (Figure 8.9).
(3)  Check whether or not the lenses in the detector are dirty. If they are, wipe them with cotton 

swabs. At this time, if the cotton swab is soaked with alcohol, it will become cleaner.

(4)  After cleaning the lenses, carry out zero and span calibrations.

(5)  End.

Lenses

Screw  A

Figure 8.9 

Lens positions

8.10  Fuse replacement

If a blown fuse occurs, replace the fuse.
There is one fuse in the converter and one fuse in TB830D. When sampling system -A2, -A3, or 

-A5 (with auto cleaning) is selected, there are another two fuses in the relay box.

See (IM 12A01G01-02EN) for how to replace the converter fuse. This section explains the 

procedures for replacing fuses of the relay box.

 CAUTION

Always disconnect the instrument from Power Supply prior to beginning to replacing the fuse.

 CAUTION

Stop supplying power to TB830D before opening the detector top cover. Make sure that the 

Power Supply of TB830D is not turned on. Do not touch the terminals while Power Supply of 

TB830D is on.

Содержание TB830D

Страница 1: ...User s Manual TB830D Surface Scattering Light Turbidity Detector IM 12E04B40 02EN IM 12E04B40 02EN 1st Edition ...

Страница 2: ...to the product printed manual FLXA402T Liquid Analyzer for Turbidity and Chlorine Installation and Wiring IM 12A01G01 02EN Online manual FLXA402T Liquid Analyzer for Turbidity and Chlorine Operation of Converter IM 12A01G01 03EN Online manual FLXA402T Liquid Analyzer for Turbidity and Chlorine Operation of pH IM 12A01G02 01EN Online manual FLXA402T Liquid Analyzer for Turbidity and Chlorine Operat...

Страница 3: ...in the user s manuals please contact our sales representative or your local distributor n Drawing Conventions Some drawings may be partially emphasized simplified or omitted for the convenience of description Some screen images depicted in the user s manual may have different display positions or character types e g the upper lower case Also note that some of the images contained in this user s ma...

Страница 4: ... power supply cable B 2 10 2 2 3 TB830D power supply cable C Relay box power supply cable D 2 10 2 2 4 Power supply cable E 2 11 2 2 5 Without a sampling system and with a Relay box for solenoid valve 2 12 2 3 Desiccant mounting 2 14 3 PREPARATION for OPERATION 3 1 3 1 Piping and Wiring Check 3 1 3 2 Confirming detector condition 3 1 3 3 Supplying Power and switching operation modes 3 2 3 4 Valve ...

Страница 5: ... 1 Auto sequence for wash cal 4 7 4 5 2 Start date 4 7 4 5 3 Automatic cleaning Automatic zero calibration function and wash type 4 7 4 5 4 Auto sequence setting 4 8 5 FLXA402T sensor menu 5 1 5 1 WASH 5 2 5 2 Calibration 5 2 5 3 Detail 5 2 5 4 Reset op time 5 5 5 5 Setting 5 5 5 6 Maintenance 5 6 5 6 1 Maintenance mode 5 6 5 6 2 Light source On Off 5 6 5 6 3 SV Wiper operation 5 6 6 OPERATION 6 1...

Страница 6: ...8 1 8 2 Cleaning of Flow cell 8 2 8 3 Cleaning of Head tank 8 2 8 4 Checking and Replacing Desiccants 8 3 8 5 Pipe Cleaning 8 4 8 6 Inspection solenoid valve 8 5 8 7 Replacing the Zero Turbidity Filter Element 8 5 8 8 LED Replacement 8 6 8 9 Lens cleaning 8 9 8 10 Fuse replacement 8 9 8 11 Replacement of the Silicone Tube 8 11 8 12 Checking flow rate liquid level 8 13 8 13 When Sample Water Supply...

Страница 7: ...Blank Page ...

Страница 8: ...consists of the following three parts Flow cell A sample flows through it A light beam is emitted from the light source onto the sample solution Detection unit An optical system incorporating a Light source Receiver and lenses Desiccant equipped helps the dryness inside Smart unit Memory of parameters the control unit l FLXA402T Liquid Analyzer for Turbidity and Chlorine converter Displays Outputs...

Страница 9: ...nctions Refer to IM 12A01G01 03EN for FLXA402T Liquid Analyzer for Turbidity and Chlorine Operation of Converter n TB830D Turbidity detector Top cover LED bracket Drain Sample inlet Flow cell Figure 1 2 Part name 1 3 Specifications See TB830D General Specification GS 12E01B40 01EN ...

Страница 10: ...for analyzer 20 m 6 Stainless steel tag plate Pipe mounting hardware SUS Rack or wall mounting hardware SUS Conduit adapter G1 2 1 pcs Conduit adapter 1 2NPT 1 pcs Conduit adapter M20 1 5 1 pcs With arrester 7 With pH Using FLXA402 without ultrasonic cleaning 8 10 13 14 With pH Using FLXA402 with ultrasonic cleaning 8 10 13 14 With 500ml KCl reserve tank for pH 10 11 With Free Available Chlorine A...

Страница 11: ...s select this code for head tank Do not select this code for high turbidity above 200 NTU measurement range because the influence of air bubbles is small and the turbidity in the sample may block the air bubble removal piping or reduce the flow rate 13 When the Sampling system A1 is specified the sampling system does not support CE or Chinese standards The product cannot be sold to the area to whi...

Страница 12: ...100V 110V K9411DT Solenoid valve for sample 200V 220V K9411DU Head tank with manual valve K9411GC Head tank with pinch valve 100V 110V K8004FB Head tank with pinch valve 200V 220V K8004FC Head tank mounting hardware K8004LD Zero turbidity filter 1 μm K9411UA Required Number of Conduit Adapters If you need to provide conduit work with cables specify the conduit adapter by Option code Conduit adapte...

Страница 13: ... the lens inside the Detection unit to be detected by a light receiving element silicon photodiode The Detection unit incorporates a comparator to detect LED light intensity The lens of the Detection unit has a built in transparent heater to prevent the effect of condensation The Smart unit controls the light source drive circuit based on the signal from the comparator so that LED light intensity ...

Страница 14: ...ibration Vibration may result in incomplete connections such as external wiring Where corrosive gases are not present Corrosive gas can damage electrical component inside the instrument Where humidity of 0 to 90 RH is maintained No condensation No installing in a place with high humidity With little temperature change close to normal temperature The ambient temperature must not exceed the range of...

Страница 15: ...ampling system 1 Sample piping If the flow rate of the sample is 1 5 to 2 L min the sample can be introduced to the detector as is Connect the supplied ø33 ø25 mm black soft vinyl chloride tube to the sample inlet However if the flow rate of the sample exceeds the range of 1 5 to 2 L min install a head tank constant water level tank that also serves as a defoaming tank to meet flow rate requiremen...

Страница 16: ... piping location Refer to GS 12E04B40 01EN for the piping diagram of the combination equipment FC PH 2 PH 7 Head tank Manual valve V1 Manual valve V4 Manual valve V5 Manual valve V2 Manual valve V3 Zer turbidity filter Sample VP16 Drain VP40 PVC tray 1 Detector 1 Option L Air denoising for Low Range 2 You should install a check valve just before the tap water pipe to prevent backflow Tap water VP1...

Страница 17: ...Pinch valve SV4 Solenoid valve SV2 Solenoid valve SV3 Solenoid valve SV1 Manual valve V2 Manual valve V3 Zero turbidity filter Sample VP16 Tap water VP16 2 Drain VP40 PVC tray 1 Detector 1 Option L Air denoising for Low Range M 2 You should install a check valve just before the tap water pipe to prevent backflow Figure 2 3 A3 With sampling system with auto cleaning with auto zero calibration 1 Sam...

Страница 18: ...any fittings that conform to the pipe diameter in the same way as the sample piping You should install a check valve before the tap water pipe to prevent backflow 3 Drain piping This piping is for discharging the sample and tap water supplied to detector into drains or the like The pipe joints are rigid PVC pipes with a nominal diameter of VP40 Connect a rigid PVC pipe with a VP40 or higher capaci...

Страница 19: ...Sampling system A1 A2 A3 With sampling system see Figure 2 7 and Figure 2 8 Sections 2 2 1 to 2 2 5 show how to wire each cable For Sampling system A5 Without sampling system with relay box refer to 2 2 5 Without a sampling system and with a Relay box for solenoid valve Wire the external wires contact input output mA input output and digital communication of FLXA402T as required Refer to Section 2...

Страница 20: ...r Turbidity Chlorine A If a Relay box is not provided wire power cable E to TB830D If Terminal box A or B is included wire the power supply cable E to the Terminal box wire TB830D power supply cabling C between the junction box and TB830D Figure 2 6 Wiring TB830D NN without sampling system L N G Power Sensor1 Sensor2 32 NC 31 C 33 NO S1 42 NC 41 C 43 NO S2 52 NC 51 C 53 NO S3 72 NO 71 C 73 NC S4 R...

Страница 21: ...uded wire power supply cable E to the Relay box If Terminal box A or B is included wire the power supply cable E to the Terminal box Wire the Relay box power cable D between the Terminal box and the Relay box Figure 2 8 Wiring TB830D A2 A3 SENCOM cable for Turbidity Chlorine A FLXA402T power supply cable B TB830D power supply cable C or power supply cable E Clamp Never let the power cables of TB83...

Страница 22: ...COM module Power cable for FLXA402T B SENCOM cable for Turbidity and chlorine A M3 screw M4 screw Figure 2 10 Wiring FLXA402T 101 102 Ground Terminal Relay box power supply cable D or power supply cable View from the bottom Figure 2 11 Wiring the Relay box L 201 N 202 Ground terminal G L 101 N 102 Power supply cable E Bottom View Ground terminal G TB830D power supply C or Relay Box power cable D P...

Страница 23: ...ing system and with a Relay box for solenoid valve Dedicated cables are included Refer to Figure 2 6 Figure 2 9 and Figure 2 10 for wiring The lengths of the terminal processes at both ends are different Connect the longer side approx 80 mm to TB830D side and the shorter side approx 50 mm to FLXA402T side Cables have no terminal names on them Wire them by color L Black N White G Red M3 The tighten...

Страница 24: ... terminal The tester does not have a power supply switch The power supply line must be equipped with a double switch Grounding wiring shall satisfy Class D grounding resistance 100 Ω or less M3 the tightening torque for screws L and N is 0 6 N m and that for M4 screws G is 1 4 N m WARNING Install an external switch or breaker on the power supply of TB830D Use external switches or breakers that con...

Страница 25: ... 12 21 22 31 32 41 42 13 L 101 N 102 G 001 L 201 N 202 G 002 L 301 N 302 G 003 CP AR L 201 N 202 G 003 L 101 N 102 G 001 L 101 N 102 G 001 RELAY BOX FLXA402T Liquid Analyzer for Turbidity and Chlorine Terminal box A TB830D Surface Scattered Light Turbidity Detector Analog output N2 N4 Analog output N2 N4 Analog output N4 Analog output N4 Contact input N2 N4 Analog input N4 Contact output WR Power ...

Страница 26: ...ted cables are included Refer to Figure 2 14 and Figure 2 16 for wiring The lengths of the terminal processes at both ends are different Connect the longer side approx 80 mm to TB830D side and the shorter side approx 50 mm to FLXA402T side Cables have no terminal names on them Wire them by color L Black N White G Red The tightening torque of M3 screws L and N is 0 6 N m and that for M4 screws G is...

Страница 27: ...ort Valve type Max working pressure Max working pressure difference SV1 Measure 15A Motor Valve 3 Terminals Open Shut Common 1 MPa 1 MPa SV2 Wash RC3 8 Solenoid valve NOOC 1 1 5 MPa 0 5 MPa SV3 Zero RC3 8 Solenoid valve NOOC 1 1 5 MPa 0 5 MPa SV4 Drain Ø21 Ø18 Silicone tube Pinch valve N C 1 1 The valve opens when energized Table 2 3 Solenoid valve Cable Requirements Recommended Cables Cable lengt...

Страница 28: ... Mount the top desiccant toward the right side see Figure 2 18 3 Tighten the four screws to attach the top cover The tightening torque of the screw is 1 5 N m 4 This completes the replacement After mounting the desiccant warm up the dryer for at least an hour to ensure that the desiccant absorbs moisture in the detector before starting the measurement The side with no print is the moisture absorbi...

Страница 29: ...Blank Page ...

Страница 30: ...ls Auto hold setting Contact output When maintenance is set up the contact is On Other contact outputs remain the previous value gained right before the Maintenance turned on Other contact outputs remain the previous value gained right before the Maintenance turned on Manual operation Solenoid manual operation is enabled detector menu Maintenance Valve Pump To initialize Valve turn off the mainten...

Страница 31: ...Table 3 2 shows the open close status of the valves at measuring draining and zero calibration for the respective sampling specifications Refer to 4 5 Automatic cleaning Automatic zero calibration setting for the operation when automatic cleaning and automatic zero calibration are selected Table 3 2 Status of valves in each action in the table Sampling system Code Operating status Manual valve Sol...

Страница 32: ...urement surface is rippled Flow cell Measurement surface is a mirror surface a Unmeasurable status b Measurable status Figure 3 1 Detector Figure 3 2 The liquid level of the detector 1 Models with a sampling system usually do not need leveling because they are factory adjusted 3 12 Supplying Sample and Adjustment flow rate is required When leveling with or without a sampling system place a level o...

Страница 33: ...on The operation is conducted for at least one hour while zero water is flowing 3 9 Setup of operating parameters TB830D starts operating according to the factory set operation parameters default settings Before starting measurement check that the initial data conforms to the operating conditions If needed set up again to perform the desired operation See 4 SETTING PARAMETERS and 5 FLXA402T sensor...

Страница 34: ...etector referring to 3 6 Leveling detector flow rate adjustment Note 2 For the specification without a sampling system sampling system code NN A5 make sure that the flow rate of the sample flowing into the detector is 1 5 to 2 L min CAUTION Precautions for products when option PH 2 PH 7 or FC is specified The pH sensor of the pH meter and the ceramic beads of the Free Chlorine Meter detector are s...

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Страница 36: ...g time constant 20 0 sec 4 1 3 Turbidity warning High limit 9999 1 4 1 4 Turbidity warning Low limit 10 0 1 Air denoising setting Air denoising function Disable 4 1 5 Air noise detection value 999 9 1 Air denoising hold time 30 sec Denoising release time 30 sec Cal Maint settings Turbidity value of check tool 90 0 1 3 4 2 1 Maint damping time constant 6 seconds 4 1 3 Zero shift value 0 0 4 2 2 Cor...

Страница 37: ...t hour hh 0 h First start minute mm 0 minutes Auto update of start date Disable TB setting Auto wash function Enable 4 5 3 Wash type Water flow Auto calibration function Disable Washing interval 6 0 hour 4 5 4 Repeat count of wash 1 Times Calibration frequency 0 Times Drainage time 20 sec Washing time 65 sec Wiper driving time 10 sec Flow waiting time 50 sec Recovery time 150 sec Specify the last ...

Страница 38: ...stem is equipped with a head tank A head tank prevents air bubbles from reaching the detector In rare cases however air bubbles occur and grow in the pipe between the head tank and the detector and rise to the measuring cell resulting in reading fluctuation The air denoising function is to detect and suppress a sudden change due to air bubbles or dust The detector has a time constant processing me...

Страница 39: ...ss conditions and in order to use it properly determine optimum setpoints for the operating conditions while changing them little by little When using the function pay attention to the following 1 Adjust the Air noise detection value according to the degree of reading change due to air bubbles or dust 2 If an excessively long Air denoising hold time is set the turbidimeter may not be able to detec...

Страница 40: ...n practice first set the Air denoising hold time to a shorter time and then increase it if the function does not work satisfactorily d Denoising release time After the Air denoising hold time has elapsed the turbidimeter gives readings without any processing to verify that no fluctuation occurs in turbidity readings The time count starts at the end of Air denoising hold time It is unlikely that ai...

Страница 41: ...hin the range of Stability check allowable width without exceeding the range for longer than the set period of Stability checking time If the measurement does not become stable before Stability check limit time is up a confirmation dialog appears to abort the calibration 4 2 4 Wash Cal box Select whether or not to use Wash Box Relay box for solenoid valve While using the Relay box make the Wash bo...

Страница 42: ...utomatic zero calibration setting This setup is a converter setup 4 5 1 Auto sequence for wash cal Enable this function to use Automatic cleaning Automatic zero calibration If this function is disabled automatic cleaning automatic zero calibration is never implemented even if other setting is active 4 5 2 Start date First set the date and time to activate automatic cleaning automatic zero calibrat...

Страница 43: ...one time When Calibration frequency is set to 0 no Auto calibration operates The next figure shows the example when Repeat count of wash is 2 Calibration frequency is 3 Start date and time Next sequence start Next sequence start Time schedule Washing interval Number of washes Washing interval Number of washes Washing interval Number of washes Wash Wash Wash Wash Wash Wash Cal Wash Wash Automatic c...

Страница 44: ...Nothing appears at a measurement mode Measurement value to Calibration menu to Sensor menu Figure 5 1 Main screen On Main screen the shortcut menus Maintenance mode dialog To go to Sensor menu Start up Main screen Sensor menu The following operation are available Auto wash Calibration sensor calibration Setting sensor setting Sensor maintenance etc 5 1 5 2 5 3 5 5 5 6 5 4 Figure 5 2 Sensor menu ...

Страница 45: ...menu Or on Main screen tap Calibration Calibration menu For further information about Calibration see 7 CALIBRATION Figure 5 4 When you have a password a password verification appears Upon successful confirmation Calibration screen appears For further information on the password setting see FLXA402T Operation of Converter IM 12A01G01 03EN 5 4 Password 5 3 Detail On Sensor menu tap Detail to check ...

Страница 46: ...e turbidity on Main screen l Current value Shows input current value of Transmitted Scattered light Light source TB820D does not support Transmitted which displays l Zero Slope Corr factor Zero shift value It is recommended that you note the values of these items prior to performing calibration When calibration is executed the data is overwritten ...

Страница 47: ...ta go to dialog of Sensor wellness reset Press reset then the number of operating days is reset to 0 but the replacement date is updated See 5 4 Only when the wellness setting is enabled the result is displayed n Predict maintenance l Last calibrated at Displays a date when the last auto calibration took place and the last calibration menu was implemented l Next sequence start When next auto wash ...

Страница 48: ...etting Figure 5 7 When you have a password the password verification appears Upon successful confirmation Sensor Setting screen appears For further information on the password setting see FLXA402T Operation of Converter IM 12A01G01 03EN 5 4 Password If you go to Sensor setting the mA output becomes HOLD when automatic hold function is enabled and contact output keeps the current status n Sensor se...

Страница 49: ...between the measurement and the maintenance For Maintenance mode See 3 PREPARATION for OPERATION 5 6 2 Light source On Off Switches On Off Light source This function is enabled only when Maintenance mode is On 5 6 3 SV Wiper operation SV Wiper operation TB830D does not use wipers The function controls the solenoid valve connected to Relay box You can go to the same screen when tapping MAN SW of Ma...

Страница 50: ...Automatic cleaning Automatic zero calibration is properly set up on the converter setting Automatic cleaning Automatic zero calibration starts at a scheduled time during a regular operation in a measurement mode For more information on operation scheduling see 4 5 Automatic cleaning Automatic zero calibration setting and Appendix Automatic cleaning Automatic zero calibration Sequence You can see w...

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Страница 52: ...vity correction In this case the instrument determines zero and sensitivity correction factors in addition to the calibration factor determined based on the calibration using standards See Equation 7 2 Normally T2 represents a turbidity but when Zero calibration Slope calibration check tool standard solution Auto Zero Calibration Sensitivity correction calibration is being progressed T1 is used T1...

Страница 53: ...ion 7 10 Sensitivity correction Update the basic Sensitivity correction factor K in Equation 7 2 by correcting to an arbitrary sample value Be sure to do this after Zero shift correction 2 Points correction 7 11 2 points correction Update the Zero correction factor B in Equation7 2 and Sensitivity correction factor K in Equation 7 2 all together by using samples of two different concentration exce...

Страница 54: ...d Solution A formazin Kaolin PSL is used as a turbidity standard solution for TB830D turbidity detector l Check Tool A check tool used for slope calibration or the sensitivity checks is supplied with the turbidity detector The check tool has been pre calibrated for span point using a standard solution above at the factory before shipment Normally the check tool is used as span Drain the water insi...

Страница 55: ...ity value unique to the turbidity detector of interest Therefore the same check tool cannot be purchased again If it is lost contact Yokogawa We may provide another check tool prepared in advance How to clean the check tool Clean the dust and contaminants on the surface of the check tool 1 Cleaning with the attached silicone cloth or washing If the surface is dusty use the included silicone cloth ...

Страница 56: ...vents Do not use fingers to wash off the stain on the surface Handle with care Scratches on the surface may interfere with accurate measurement 7 3 Formazin Standard Solution A turbidity standard calibration solution should be prepared by diluting a 400 NTU formazin standard stock solution This section describes the procedures for preparing a standard stock solution and a diluted solution for cali...

Страница 57: ... balance place it in a 100 mL measuring flask and add deionized water to make 100 mL solution A b Weigh out 10 00 g 0 01 g of hexamethylene tetramine with a balance place it in another 100 mL measuring flask and add deionized water to make 100 mL solution B c Make sure that both reagents have been completely dissolved in solutions A and B respectively Pipette 50 mL each of solutions A and B into a...

Страница 58: ...erform Slope calibration Check tool 1 Turn on the maintenance mode Drain all the sample inside the Flow cell Mount the check tool referring to 7 2 Turbidity standards 2 Press on Main screen and go to the calibration menu 3 On the calibration menu select Slope calibration Check tool of turbidity manual calibration 4 Confirm the reading is stable Press check stability 5 After the message pops saying...

Страница 59: ...cell with zero turbidity water If you finish the calibration run the sample and turn off the maintenance mode after the reading becomes stable 7 8 Auto zero calibration Automatic cleaning and Automatic zero calibration run one time Execute this operation in a measurement mode Maintenance mode cannot carry out this operation This operation does not affect any automatic sequence schedule If Auto zer...

Страница 60: ...he maintenance mode 7 11 2 points correction The Zero point and Sensitivity correction factor are adjusted Use two arbitrary known turbidity solution Take two measurements and record the low concentration as low point the high concentration as high point Be sure to take low point first then do the measurement of the high point How to perform a two point calibration 1 Turn on the maintenance mode 2...

Страница 61: ... of Calibration others When a message appears press Next Enter the concentration of the standard solution and press Next 4 Check the reading becomes stable Press Accept 5 Check the calibration result and the concentration of the standard solution press Accept to update a basic basic reference Slope is updated to 100 6 To exit the calibration turn off the maintenance mode after feeding the sample a...

Страница 62: ...Monthly 7 4 7 5 Slope calibration Monthly 7 6 7 7 1 This is an interval estimated if tap water used has average turbidity of 0 4 dgrees and runs at a flow rate of 2 L min 2 With sampling system A1 A2 A3 8 1 Cleaning with cleaning water When Without automatic cleaning Sampling system NN A1 is selected the valve is manually opened closed and cleaning is performed Wash while running the zero water to...

Страница 63: ...ctor is drained polish the Flow cell with a soft brush sponge etc At this time do not scratch the inside of the detector Do not splash water on the lens on the light source section and the light receiving section 5 Open Valve V4 and solenoid valve SV2 to feed water and discharge floating dust At this time gradually open valve V4 so that water does not splash water on the lens on the light source s...

Страница 64: ...ower supply of TB830D is not turned on Do not touch the terminals while the power supply of TB830D is on Inspect the desiccant once every six months and replace the desiccant if necessary Regardless of the inspection results replace the desiccant once a year Keep the internal storage circuitry of the detector unit dry to ensure correct readings Remove the desiccants and check for softness with the...

Страница 65: ... converter maintenance mode to On 2 Select the draining status Table 3 2 for the state of the valve when draining 3 After checking that the head tank has run out of water remove the pipes between the detector and the head tank Use an elongated brush to remove any contaminants from the inside and finally wash with tap water 4 If Air denoising is provided also clean the pipe ASSY internal storage fo...

Страница 66: ...the Zero Turbidity Filter Element The zero turbidity filter element should be replaced at regular intervals Refer to Figure 2 1 to Figure 2 3 1 Make sure that the valve2 and the valveV3 are closed 2 Close the valve2 and stop supplying tap water 3 Turn and remove the filter case Be careful not to allow internal water to run over 4 If the inside of the case is dirty clean it with a brush or relevant...

Страница 67: ...D before replacing the LED LED may be damaged by static electricity When replacing the LED be sure to take measures against static electricity such as wearing a grounded wristband LED light source usually lasts more than 3 years However it is recommended to replace it every 3 years for preventive maintenance This section explains how to replace the LED 1 Stops supplying Power Supply to TB830D 2 Re...

Страница 68: ...rew is 1 5 N m 8 Attach the cover The tightening torque of the screw is 1 5 N m CAUTION After turning on the power of the instrument warm it up for at least 30 minutes before starting the measurement Arrange the LED as follows Table 8 4 LED Part No Product name K8004BD LED ASSY white K8004BE LED ASSY infrared LED ASSY Figure 8 6 LED Replacement ...

Страница 69: ...p to release the lock lever Pull out the connector Figure 8 7 Disconnecting cables Plug in the connector The side with the solder part faces up Wrong Right Pinch the strap and push down the lock lever When properly fixed it clicks Fix the lock lever Figure 8 8 Connecting cables ...

Страница 70: ...ositions 8 10 Fuse replacement If a blown fuse occurs replace the fuse There is one fuse in the converter and one fuse in TB830D When sampling system A2 A3 or A5 with auto cleaning is selected there are another two fuses in the relay box See IM 12A01G01 02EN for how to replace the converter fuse This section explains the procedures for replacing fuses of the relay box CAUTION Always disconnect the...

Страница 71: ...n place Fuse Figure 8 10 Fuse replacement Replacing the fuse in the relay box when A2 A3 or A5 is selected When Sampling system A2 A3 or A5 with auto cleaning is specified a relay box is included Be sure to use A1624EF for the fuse of the relay box 1 Loosen the four 4 screws and open the relay box window 2 Remove the fuse holders 2 pcs Figure 8 11 3 Replace the fuse with a new one and install the ...

Страница 72: ...Remove the silicone tube and thread the new silicone tube through the hole in the pinch valve SV4 4 Pass the clamp through the silicone tube and insert the upper side into the lower side of the head tank it will be easier to insert if it is wet 5 Make sure that the drain pipe is visible from the top of the head tank 6 Close the clamp 7 Place the end of the tube into the drain pipe Table 8 6 Silico...

Страница 73: ... 8 MAINTENANCE 8 12 IM 12B01B30 02EN 1st Edition Mar 08 2023 00 Pinch valve Drainage pipe Siliconetube Clamp Figure 8 12 Replacement of Silicone Tube for Pinch Valve ...

Страница 74: ... around the entire circumference of the measuring tank If there is a large deviation perform leveling flow rate adjustment of the detector in section 3 6 Leveling and Adjusting flow rate 4 Check the contamination of the detector s internal storage and clean it if it is dirty Be sure to perform zero calibration and slope calibration after cleaning 5 Close detector 6 End Cnfirm that the measuring su...

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Страница 76: ...resistivity Check the condition of the anti fog lens heater Check for water leaks to the lens and disconnection of the lens heater drive cable If there are no abnormalities in these the lens heater may have reached the end of its life Contact Yokogawa S X540 Turbidity High Turbidity value is exceeded high limit setpoint Check measurement value Confirm Turbidity warning high limit on sensor setting...

Страница 77: ... required N Off 9 2 When No Error Indication Appears There is a possibility that measurement has abnormalities without any error occurrence Next table shows some possible causes Solve the problems referring to the next table Figure 9 3 Abnormalities Their Possible Causes and Remedies Abnormalities Possible Causes Remedies Measured value fluctuates largely Sample air bubble or contamination stays i...

Страница 78: ...tank and the detector 5 If Repeat count of wash is set to over 2 valve working 2 to 4 is repeated 6 Once the draining for cleaning completes SV4 closes and TB830D starts feeding a sample 7 After Flow Calibration Waiting time elapses the detector becomes Recovery time 8 Afthe the Recovery time elapses a measurement starts n Automatic cleaning A3 A5 CLOSE OPEN CLOSE OPEN CLOSE OPEN CLOSE OPEN Washin...

Страница 79: ...e Flow Calibration Waiting time Meas Status SV1 Sample SV2 Wash water SV3 Zero SV4 Drain 1 When sequence starts Automatic cleaning works first After the Automatic cleaning an automatic calibration starts without a recovery time Therefore the steps from 1 to 5 for Automatic cleaning A3 are common When a Drainage time starts after the last Cleaning time the screen shows a calibration This time SV3 Z...

Страница 80: ...r CMPL 12E04B40 01EN 1st Edition Mar 2023 YK 1 2 3 Item Part No Qty Description 1 K8004BD 1 LED Assy white K8004BE 1 LED Assy Infrared 2 K9657RJ 1 Desiccant 3 A1633EF 1 Fuse for TB830D All Rights Reserved Copyright 2023 Yokogawa Electric Corporation Subject to change without notice ...

Страница 81: ...e for SV2 SV3 110V A1015MZ 1 Solenoid Valve for SV2 SV3 200V A1017MZ 1 Solenoid Valve for SV2 SV3 220V 3 K9411JG 1 Pinch Valve for SV4 100V 110V K9411JH 1 Pinch Valve for SV4 200V 220V 4 K9411GC 1 Tank Assembly without Pinch Valve K8004FB 1 Tank Assembly with Pinch Valve for 100V 110V K8004FC 1 Tank Assembly with Pinch Valve for 200V 220V 5 K8004LD 1 Tank Assembly mounting bracket 6 L9813XP 1 Clam...

Страница 82: ...3 1st Edition Mar 2023 YK CMPL 12E04B40 01EN Relay box for A2 A3 1 Item Part No Qty Description 1 A1624EF 2 Fuse ...

Страница 83: ...ron filter K9726EF ZERO TURBIDITY FILTER ASSEMBLY 0 2 micron filter 4 5 7 1 2 3 6 Item Part No Qty Description 1 K9008ZD 1 Filter Element 1 micron K9726EH 1 Filter Element 0 2 micron 2 K9411UB 1 Case 3 K9008ZE 1 Plate 4 K9411UD 1 O Ring 5 K9411UC 1 O Ring 6 K9411UE 1 O Ring 7 K9411UF 1 Head ...

Страница 84: ...i IM 12E04B40 02EN 1st Edition Mar 08 2023 00 Revision Information Title TB830D Surface Scattering Light Turbidity Detector Manual No IM 12E04B40 02EN Mar 2023 1st Edition Newly published ...

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