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 Maintenance

46

Converter maintenance procedure

Check the transmitter of the following points.

z

Cable gland loosing

z

LCD display
The lack of LCD display can be checked in the User check mode.

z

Dew on the window inside
Open the cover and dry out the inside of the transmitter.

z

Terminal screw loosing

Note

Seal the cable gland packing and  cover packing tightly to avoid the ambient air coming in the
transmitter when it is used out door. Inner parts corrosion or dew condensation result from
incomplete sealing.

Содержание HR-200RT

Страница 1: ...Residual Chlorine Monitor HR 200RT Instruction Manual CODE GZ0000361153...

Страница 2: ...g cases none of the warranties set forth herein shall be extended z Any malfunction or damage attributable to improper operation z Any malfunction attributable to repair or modification by any person...

Страница 3: ...limited to the most extreme situations This indicates a potentially hazardous situation which if not avoided could result in death or serious injury This indicates a potentially hazardous situation w...

Страница 4: ...r pump be sure to use a power relay Beware of strong acid When handling nitric acid be sure to wear protective goggles and gloves If it gets into your eyes it could cause irritation to the mucous memb...

Страница 5: ...the cathode surface If the surface of the gold electrode is scratched it affects the reading z When reattaching the bead cell confirm that there are no beads inside the measuring cell and around the O...

Страница 6: ...is indicates the part of where to refer the information Tip This indicates reference information Term Definition This document uses the following terms as defined Term Definition Hold down Maintain pr...

Страница 7: ...nus from the meas mode 9 Installation 10 Installation environment 10 Installation method 11 Converter 11 Installing on a measuring cell 11 Piping 12 Sample inlet piping 12 Sample outlet piping 13 Flow...

Страница 8: ...s 50 Cleaning the measuring cell 51 Replacement of the string wound filter option 51 Pausing the measurement 51 Restarting the measurement 52 Calibration 53 Residual chlorine concentration calibration...

Страница 9: ...hlorine 68 Measurement principle 69 Sample liquid conditions 70 Parts list 72 Options 72 Replacement parts 72 Disposing of the instrument 73 Converter 73 Detector unit RA 30 75 Detector and measuring...

Страница 10: ......

Страница 11: ...pipe works with the optional solenoid valve will change the line periodically and automatically for zero calibration The sensitivity is calibrated by the way to match measured value to the analyzed v...

Страница 12: ...product for any damage at the same time J Breakdown of complete set z Converter 1 With a bracket and a cover z U bolt 2 U bolt 2 M8 nut 4 Spring washer 4 Flat washer 4 z Instruction manual this book...

Страница 13: ...3 Structure of residual chlorine meter J Converter J Detector unit Q RA 30 size is approximate Unit mm Display Conduit Front cover 190 180 140 340 IN OUT 140 size is approximate Unit mm Detector Measu...

Страница 14: ...ock Flow switch Measuring cell Ball valve 1500 50 66 100 Ball valve 3 400 500 20 500 mm or more maintenance space 340 350 500 mm or more maintenance space 500 mm or more maintenance space 700 mm or mo...

Страница 15: ...meter can be used Purge air is sent through this inlet to prevent internal corrosion Normally no connection is required Conduit Hood This hood is used for outdoor installation Front cover Purge air in...

Страница 16: ...lock Status display Indicator Status display Main display Sub display Sensor terminal Power terminal Transmission output terminal RS 485 terminal Fuse box Power switch Contact output terminal Contact...

Страница 17: ...s an inlet of the sample water For the inlet connect a 8 mm 6 mm tube Or use an R1 8 joint 8 Ceramic beads These are for polishing cleaning the cathode electrode surface Reference Refer to Cleaning re...

Страница 18: ...ll select the meas mode CAL Hold down Hold down this key until the CAL indicator turns ON Calibration will be started S T Used to change the displayed item or set value Pressing S T will increase decr...

Страница 19: ...bration check and moving average count check Hold down CAL Span cal mode Hold mode Setup menu Cal menu User check menu Refer to page 43 Refer to page 41 Refer to page 30 Span calibration Performs cali...

Страница 20: ...anical vibration is rare z There is sufficient space for maintenance and wiring z Dust and corrosive gases are not present z The influence of electromagnetic fields is rare z The altitude is 2 000 m a...

Страница 21: ...ring cell can be installed on a wall or a pole optionally available Note Install the measuring cell so that it is horizontal to the ground surface If it is not level cleaning cannot be performed prope...

Страница 22: ...ling pipes and the measuring cell to be free from freezing J Sample inlet piping z The flow control valve should be provided in the sample inlet line to control the flow rate z Sample water from a lin...

Страница 23: ...g create an open air section along the way and then install horizontal piping using a pipe of 20 A or above 2 z In order to prevent the use of right angled horizontal piping in the middle install pipi...

Страница 24: ...ion at the sensor if the pipe between the zero filter and the sensor is long The calibration error E 13 might occur if the sample water stays long time in the sensor Refer to Calibration page 53 Detec...

Страница 25: ...Flow switch RA FS30 If the flow rate of the sample water falls below the specified value a significant measurement error is caused in the residual chlorine meter the value will be smaller than the act...

Страница 26: ...without falling off 4 Open the front case for the converter Q Connection terminal diagram Note z These screws for the front case and terminal blocks will not drop off by mechanical stopper z Turn the...

Страница 27: ...tuations in power supply voltage fall within a range of 10 Connect the power cable and the grounding cable as illustrated below Q Instructions for grounding Separate this grounding from any other grou...

Страница 28: ...libration AC voltage output The AC voltage is output for controlling a solenoid valve for zero calibration The solenoid valve should be normally powered off closed and opened while energized The solen...

Страница 29: ...cable z If there is a risk of lightning strike install an arrester on the output side and receiving instrument side of the converter z To terminate the cable strip 11 mm of the coating from the tip of...

Страница 30: ...terminal connect wiring z The applicable electric wire is of 0 14 mm2 to 2 5 mm2 AWG26 to AWG14 z For the communication output cable use a twisted pair shielded cable z Up to 32 units can be connecte...

Страница 31: ...Dedicated extension cable C 7E z Dedicated relay box CT 20RC The maximum extension distance between the converter and detector is 10 m In order to prevent static electricity from being generated by t...

Страница 32: ...J Initial setup The converter is shipped with initial settings If necessary change the initial settings according to Setup menu page 30 For the initial setting values refer to the table below Display...

Страница 33: ...d residual chlorine or temperature exceeds the display range yES no yES 32 CAL Automatic zero calibration setting 32 CAL Automatic zero calibration setting Select yES when an external solenoid valve f...

Страница 34: ...d value exceeds full scale range Specify whether or not to output a FAiL when the measured value exceeds the full scale range yES no no 34 F tE Temperature FAiL output selection Specify whether or not...

Страница 35: ...ue when transmission output 1 b is in the hold mode HoLd PrES HoLd 35 PrES Transmission output 1 b hold output value preset setting Input the preset value for current holding Note This is displayed wh...

Страница 36: ...type setting is set to FLo 0 to 600 s 30 36 FLo rt Motor stop setting Specify whether or not to stop the motor rotation when a flow rate error E 61 occurs Note This is displayed when Contact input ty...

Страница 37: ...set to no if the measured value exceeds 5 00 mg L a blinking measured value is displayed z The measurement range of the temperature is 0 0 C to 50 0 C If the temperature exceeds this range The displa...

Страница 38: ...meral at the lower left indicates the relay number Relay 1 is not used Note _ _ _ _ indicates that a relay is not used When CtrL AL or t is set When CtrL AL or t is set Set value screen residual chlor...

Страница 39: ...tion Note Displays the accumulated time while the power is turned ON When yES is set in Automatic zero calibration setting Automatic calibration wait time screen Displays the time until the next calib...

Страница 40: ...n the sub display 5 Press ENT Note Although the displayed value changes when the HOLD indicator is lit the transmission output will be equal to the output value specified in the setup menu z Refer to...

Страница 41: ...isplayed when Auto return setting is set to yES 1 to 24 h Transmission hold cancellation time setting This setting allows you to maintain the transmission hold state until the measured value is stabil...

Страница 42: ...he function yES no Setting of automatic zero calibration start method Select the combined operation of the internal timer and the external command for automatic zero calibration z nor Zero calibration...

Страница 43: ...zero calibration yES no Contact output setting R1 to R3 Tip The other relays can be set in the same manner Reference Refer to Control targets and their available options page 37 for the options avail...

Страница 44: ...is input E 61 yES no FAiL output setting when motor is stopped Specify whether or not to output a FAiL when the motor is stopped E 87 yES no FAiL output delay time setting Specify the time in seconds...

Страница 45: ...on output value when transmission output 1 b is in the hold mode z HoLd Holds and outputs the latest value z PrES Outputs the preset value HoLd PrES Transmission output 1 b hold output value preset se...

Страница 46: ...ing Specify whether to enable or disable the flow switch input Note This is displayed when Contact input type setting is set to FLo yES no Flow switch oFF delay time setting Specify the time until a f...

Страница 47: ...d OFF and chemical injection is stopped by stopping the pump The above explanation is applicable to the lower limit operation The opposite operation applies to the higher limit operation The settings...

Страница 48: ...ture falls below the set value the output is immediately stopped OFF and the alarm is cancelled The above explanation is applicable to the upper limit operation The opposite operation applies to the l...

Страница 49: ...ON 5 5 Latest value Preset value no Closed OFF E 62 E 75 E 86 F SC yES OFF Opened ON 5 5 no Closed OFF E 80 to 82 yES Opened ON 5 5 5 5 no Closed OFF Latest value E 87 F rt yES Opened ON 5 5 no Close...

Страница 50: ...When it is ON CF NCF is open when it is OFF CF NCF is closed 2 The zero solution calibration span calibration and temperature calibration by key operation are included 3 E 13 is not displayed when SEt...

Страница 51: ...1 In the meas mode hold down HOLD until the HOLD indicator turns ON 2 Press S T to display CAL on the main display 3 Press ENT 4 Press S T to display a desired item on the sub display 5 Press ENT Tip...

Страница 52: ...value is stabilized the screen will automatically switch to the next display Screen displayed during measurement of sample The measured value starts blinking Wait until the measured value is stabiliz...

Страница 53: ...ption LCD check LCD check screen The whole LCD lights up allowing you to check the display Relay R1 to R3 FAIL CAL output check Relay output 1 check screen The ON OFF status for relay 1 r1 can be chec...

Страница 54: ...the transmission output to an external recorder or ammeter and check for errors Transmission output check screen 12 mA output check 12 mA is output to transmission output1 2 Note Select the current ou...

Страница 55: ...xcessively perform calibration 47 Removing the detector contamination Depends on the level of contamination at least once every 3 months If the electrode surface is contaminated or any abnormality is...

Страница 56: ...an be checked in the User check mode z Dew on the window inside Open the cover and dry out the inside of the transmitter z Terminal screw loosing Note Seal the cable gland packing and cover packing ti...

Страница 57: ...ross check As the detector does not use reagents for measurement the residual chlorine concentration is more likely to be affected by fluctuations in the water quality Using a residual chlorine tester...

Страница 58: ...isually detected clean the cathode electrode according to the following procedure Q Cathode electrode cleaning procedure 1 Detach the connector cable to stop cathode rotation 2 Close the valve to stop...

Страница 59: ...hough it depends on the water quality and usage conditions When replacing the cathode electrode no tool is required and therefore the customer can replace it easily This section describes the replacem...

Страница 60: ...nnector cable to stop the rotation of the cathode electrode 2 Close the valve to stop the sample supply 3 Remove the nut and then remove the detector 4 Remove the bead cell from the measuring cell and...

Страница 61: ...annot be performed Check the condition and replace it periodically 1 Turn OFF the power to the converter 2 Close the supply source valve front of the filter to stop the sample supply 3 Loosen the hous...

Страница 62: ...e 50 3 Open the supply source valve of the sample water slowly Note Gradually open the supply source valve If you open it abruptly the ceramic beads may pop up from the bead cell The amount of supplie...

Страница 63: ...e is activated the transmission output will be equal to the output value specified in the setup menu z Refer to Transmission output hold current hold setting for transmission output 1 A page 34 z Refe...

Страница 64: ...splay will return to the cal mode Tip To return to the measurement status hold down HOLD or ESC The HOLD mode will be cancelled and the system will return to the meas mode Q Auto zero calibration The...

Страница 65: ...ion screen 3 Press T to display SPAn on the sub display and then press ENT Electrical zero calibration will start and the blinking will be displayed on the main display Once the system has judged that...

Страница 66: ...calibration value is applied at this point This completes the span calibration The display will return to the cal menu or hold mode When calibration is performed from the cal menu When calibration is...

Страница 67: ...on calibration screen 2 Press T to display t on the sub display and then press ENT The temperature cal mode is activated and the sub display starts blinking 3 Press S T so that the value displayed on...

Страница 68: ...nsulated Remove any humidity or contamination from the terminal block Abnormal value is indicated Electrode contamination z Clean the electrode Polish the electrode with the provided abrasive paper z...

Страница 69: ...residual chlorine value to be equalized during span calibration is large During span calibration E 13 18 Automatic zero calibration stability error The sample is not stabilized during automatic zero c...

Страница 70: ...measurement and calibration E 87 8 Motor rotation error The sensor motor rotation is faulty E 90 SYSTEM ERROR 1 System error Converter internal communication error Anytime System error E 91 2 The con...

Страница 71: ...nsor If the resistance value is outside the ranges described on the left the temperature sensor is faulty Replace the sensor with a new one Wiring error of the connector cable and relay cable Check th...

Страница 72: ...nal system error Turn OFF the power supply and turn it ON again If the system error does not go off even when the system is restarted contact HORIBA Advanced Techno E 82 System error The contents of t...

Страница 73: ...ion An arbitrary value can be set within the range from 0 mg L to 5 mg L Output 2 Temperature An arbitrary temperature can be set within the range from 10 C to 110 C Error output Provided with burnout...

Страница 74: ...trol output Number of contact output 1 Output type Voltage contact output connected power source voltage output Contact capacity 250 V AC 3 A resistance load Calibration cycle setting 1 h to 999 h Zer...

Страница 75: ...rate Measuring cell flow rate 0 1 L min to 0 5 L min Primary pressure 0 01 MPa to 0 15 MPa 1 pH value 5 8 to 8 6 with no fluctuation over 1 0 pH 2 Electrical conductivity 8 mS m or above 3 Calibration...

Страница 76: ...g Product name Filter unit for residual chlorine meter Model RA F Material of liquid contact section PVC EPDM PP AS Operating temperature 0 C to 50 C no freezing Primary pressure 0 MPa to 0 5 MPa Pipi...

Страница 77: ...l of liquid contact section PVC EPDM PVDF Operating temperature 0 C to 50 C no freezing Primary pressure 0 1 MPa to 0 2 MPa Piping connection sample inlet and outlet 8 mm 6 mm tube Power supply 100 V...

Страница 78: ...s equilibrium is affected by pH or the temperature of the water and hypochlorous acid mainly exists in acid liquid Fig 1 indicates the abundance ratio of hypochlorous acid and hypochlorite ion affecte...

Страница 79: ...ng potential constant between cathode and the sample The cathode and the anode in the sample applied external direct current voltage cause the following reaction on the surface of the electrodes Worki...

Страница 80: ...ple is as stable as possible Fig 3 Change in readings due to a change in pH of the sample Q Influence of the conductivity of the sample The converter performs measurement of the free residual chlorine...

Страница 81: ...erature In order to eliminate the influence by the temperature of the sample the converter continuously measures the temperature of the sample and corrects for the temperature by using the function fo...

Страница 82: ...ted option types are also available 3 An extension cable C 7E is required separately Be sure that the cable length is no longer than 10 m 4 An extension cable RA FC is required separately Be sure that...

Страница 83: ...ET 6 Warning plate PET 32 Spacer C3604BD 7 Key sheet PET 33 Terminal ID plate TT PET 8 Protective sheet PVC 34 Spacer C3604BD 9 Screw cap Q 35 Printed circuit board H4W MTH 0x Printed circuit board 10...

Страница 84: ...nted circuit board 44 6 Remove spacer 32 in four places 7 Remove the two screws used to secure terminal cover 4 Printed circuit board 35 is exposed in the assembled state 8 Remove the two flat cables...

Страница 85: ...tor bracket SUS304 10 Lab Cock ABS EPDM 30 Spacer SUS304 11 Half union PVDF 31 Printed circuit board unit Printed circuit board 12 Sensor backside plate PVC 32 Spacer SUS303 13 Cable assembly PVC bras...

Страница 86: ...Data 76 Quick reference appendix Quick reference is a digest of the instruction manual...

Страница 87: ...main display Once the system has judged that the value has been stabilized blinking of will automatically be stopped and the calibration will then be completed The measured value is auto matically dis...

Страница 88: ...al value 1 00 Calibration data check screen No calibration data With calibration data Zero value check screen Screen for displaying the number of days elapsed since the last calibration Control value...

Страница 89: ...a hidden area outside of measure ment range display range cut Setting range yES no Initial value yES Setting of automatic zero calibration start method Setting range nor or And trg Initial value or A...

Страница 90: ...utput 1 A is set to PrES Setting range 0 00 to 5 00 mg L Initial value 3 00 Transmission output 1 A burnout hold setting Setting range out 20 out 4 non Initial value non Contact output delay time sett...

Страница 91: ...LCD lights up allowing you to check the display Relay output 1 check screen The ON OFF status for relay 1 r1 can be checked Relay output 2 check screen The ON OFF status for relay 2 r2 can be checked...

Страница 92: ...cted During measurement and calibration E 22 10 Short circuit of temperature sensor The lead wire of the temperature sensor is short circuited E 25 14 Temperature is outside the measurement range The...

Страница 93: ...http www horiba adt jp Headquarters 31 Miyanonishi cho Kisshoin Minami ku Kyoto 601 8306 TEL 81 75 321 7184 FAX 81 75 321 7291...

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