Do you have a question about the DULCOZERO-FCL and is the answer not in the manual?
Questions and answers
Summary of Contents for ProMinent DULCOZERO-FCL
Page 1
Assembly and operating instructions Monitoring System DULCOZERO-FCL - Free Chlorine These operating instructions allow you to install and calibrate the measuring plate. All other work is described in the oper‐ ating instructions for the individual components. These operating instructions are only valid if used in conjunction with the operating instructions for the individual components, which can be found on the manufacturer’s homepage.
Page 2
Supplemental directives General non-discriminatory approach In order to make it easier to read, this document uses the male form in grammatical structures but with an implied neutral sense. The document is always aimed equally at women, men and gender-neutral persons. We kindly ask readers for their under‐ standing in this simplification of the text.
Table of contents Table of contents Order numbers for Free chlorine - Monitoring system DULCOZERO-FCL............... 6 Safety and responsibility............7 2.1 Labelling of Warning Information........7 2.2 General safety information..........8 2.3 Information in the event of an emergency....11 2.4 Intended use...............
Page 4
14.1 Troubleshooting............92 14.1.1 Troubleshooting in the system environment..92 14.1.2 Chlorine measurement troubleshooting....92 14.1.3 Troubleshooting with pH and ORP sensors... 96 14.1.4 DULCOZERO-FCL system messages....97 Decommissioning and disposal.......... 99 15.1 Temporary Decommissioning (Less Than 4 Weeks)..............99 15.2 Temporary Decommissioning (Longer Than 4...
Page 5
Table of contents Index................. 109...
Order numbers for Free chlorine - Monitoring system DULCOZERO-FCL Order numbers for Free chlorine - Monitoring system DULCOZERO-FCL Part numbers for orders: Product, version Part number Free chlorine - Monitoring system DULCOZERO-FCL, 1137028 230 V version (including sensors) Free chlorine - Monitoring system DULCOZERO-FCL,...
Safety and responsibility Safety and responsibility 2.1 Labelling of Warning Information Introduction These operating instructions provide information on the technical data and functions of the product. These operating instructions pro‐ vide detailed warning information and are provided as clear step- by-step instructions.
Safety and responsibility Type of information Hints on use and additional information. Source of the information. Additional measures. Denotes hints on use and other useful informa‐ – tion. It does not indicate a hazardous or dam‐ aging situation. 2.2 General safety information WARNING! Failure of the control and impact on the process Cause: If the controller or other parts of the meas‐...
Page 9
Safety and responsibility WARNING! Pumping flammable media Possible consequence: fatal or very serious inju‐ ries. Pumping flammable media is not permitted. Observe the material safety data sheet for the medium. WARNING! Live parts Possible consequence: fatal or very serious inju‐ ries.
Page 10
Possible consequence: fatal or very serious inju‐ ries. – Unexpected start-up of the monitoring system DULCOZERO-FCL after failure, malfunction of the control / power supply or as a deliberate action due to a control process. – Danger due to unexpected actions of the sys‐...
Hydraulic leaks Bear in mind the material resistance of all wetted materials of all assemblies (refer, for instance, to the ProMinent Resistance List in the product cata‐ logue or at www.prominent.com) Take appropriate measures to ensure that there is no danger to personnel, products or equipment in the event of hydraulic leaks.
Safety and responsibility 2.4 Intended use The DULCOZERO-FCL is designed to monitor the absence of free chlorine (HOCl / OCl-) in clear water and to signal an alarm in the event that it should be present. A typical applica‐ tion is the monitoring of reverse osmosis systems.
Safety and responsibility 2.5 User qualification WARNING! Danger of injury with inadequately qualified per‐ sonnel The operator of the system / equipment is respon‐ sible for ensuring that the qualifications are ful‐ filled. If inadequately qualified personnel work on the unit or loiter in the hazard zone of the unit, this could result in dangers that could cause serious injuries and material damage.
About this product About this product 3.1 Free chlorine - Monitoring system DULCOZERO-FCL Monitoring systems DULCOZERO-FCL are online process meas‐ uring/control stations mounted on a PE plate installed in a process water bypass. The term "sample water" is defined as follows with the monitoring...
Page 15
Assembly and operating instructions for DULCOMETER multipara‐ 983400 / DE meter controller diaLog DACb 983369 / EN 983391 / FR 983392 / ES Assembly and operating instructions for ProMinent® DULCO®flex 987345 / DE DF2a 984881 / EN 984878 / FR 984879 / ES...
Storage and transport Storage and transport CAUTION! Danger of material damage The device can be damaged by incorrect or improper storage or transportation! – The unit should only be stored or transported in a well packaged state - preferably in its original packaging.
It consists of a storage bottle and a peristaltic pump along with a connecting hose with safety quick-release coupling. The measuring point is supplied with power by the power supply on the DULCOZERO-DACb controller. Fig. 1: Components of the monitoring system DULCOZERO-FCL...
Page 18
Overview of the measuring point Controller DULCOZERO-DACb pH sensor Metering bottle for calibration solution and Chlorine sensor bottle holder Hose quick-release coupling Metering module with lip valve Shut-off valve (outlet) Shut-off valve (inlet) Sample valve Peristaltic pump Flow control Main switch ORP sensor...
Overview of the measuring point 5.2 Free chlorine monitoring system DULCOZERO-FCL Schematic diagram of the components of a monitoring system DULCOZERO-FCL, which are installed outside of the measuring plate in the order shown here, see original ProMi‐ nent accessories. The accessories illustrated are required depending on the application.
Please also observe the operating instructions for the fittings and any other assemblies, such as sensors, sample water pump ... 6.1 Assembly (mechanical) WARNING! – Live parts. – Bear in mind any concealed installations when drilling holes to fix the monitoring system DULCOZERO-FCL in place.
Page 21
Assembling the measuring point CAUTION! – Fit the monitoring system DULCOZERO-FCL perpendicular and upright on a wall or a stable mounting system. Pay attention to the load- bearing capacity of the wall or the mounting system. – The monitoring system DULCOZERO-FCL must be freely accessible.
595 mm 705 mm 555 mm Secure the monitoring system DULCOZERO-FCL with hanger bolts as close as possible to the extraction point. Leave an ade‐ quate gap from the wall for the cables on the back of the plate. Take into account national regulations, as necessary.
Fit any accessories supplied, such as heat exchanger, sample water pump, pressure reducer or filter, in accordance with their operating instructions upstream of the monitoring system DULCOZERO-FCL (in the direction of flow). The installation sequence is binding and must be adhered to.
Electrically and hydraulically assembling and installing the measuring points Electrically and hydraulically assembling and installing the measuring points User qualification, mechanical installation: trained and qualified Ä Chapter 2.5 ‘User qualification’ on page 13 personnel User qualification, hydraulic installation: trained and qualified Ä...
Electrically and hydraulically assembling and installing the measuring points 7.1 Assembly of the metering system The metering system is pre-assembled from the dosing tank to the pump. The hydraulic connection still needs to be made between the pump and metering module. Remove the sealing stopper (2) at the bottom of the metering module (1).
Electrically and hydraulically assembling and installing the measuring points Then guide the hose (11) down behind the plate. Assemble the connector kit 8x5 (13) on the end of the hose (12). ð Fully assembled metering system. 7.2 Assembling the chlorine sensor ready for operation 7.2.1 Function and construction Function The DULCOTEST...
Page 27
Electrically and hydraulically assembling and installing the measuring points These types of sensor work on the amperometric measuring prin‐ ciple in the special design of a potentiostatic measurement on three measuring electrodes. After the sensor has been electrically connected to the measuring unit/controller, a potentiostat ensures that there is constant polarisation voltage at the working electrode, independent of the current flow.
Page 28
Electrically and hydraulically assembling and installing the measuring points Fig. 5: Exploded view of the sensor Position number Designation Top part with 4-pin socket O-ring seal 2-wire connector Sensor shaft O-ring seal Working electrode and counter electrode Hose seal and vent hole Sensor cap protector Sensor cap Reference electrode...
Electrically and hydraulically assembling and installing the measuring points 7.2.2 Filling the diaphragm cap with electrolyte Ä Chapter 2.5 ‘User qualifica‐ User qualification: trained user tion’ on page 13 WARNING! Danger from hazardous substances! Possible consequence: Fatal or very serious inju‐ ries.
Page 30
Electrically and hydraulically assembling and installing the measuring points With the sensor cap protector fitted, place the sensor cap on a work surface. ð The sensor cap protector seals the bottom of the sensor cap. A0107 Fig. 6: Sensor cap (1) with sensor cap protector (2) Fill the sensor cap (4) to the brim with electrolyte (3) taking care to avoid bubbles.
Refill the sensor cap if the measuring results are unclear during operation. The sensor needs to be regen‐ erated by ProMinent should the problem persist. Use a soft, moistened paper towel to wipe any remaining electrolyte from the two gold electrodes on the front of the A0128 sensor body.
Electrically and hydraulically assembling and installing the measuring points 7.3.1 Installation of the sensors to determine the water quality Electrically install the sensors, as described in the operating instructions for the relevant controller and sensor. Turn all bayonet fittings hand-tight to their end stop for adequate leak-tightness.
Page 33
Electrically and hydraulically assembling and installing the measuring points 7.3.1.2 Assembly of the chlorine sensor in the sensor module Attach the sensor to the sensor module with the sensor adapter, as shown in the figure. Close the bayonet fitting clockwise with your thumb on the finger grip of the sensor adapter.
Electrically and hydraulically assembling and installing the measuring points Attach the sensor to the sensor module with the sensor adapter. Close the bayonet fitting clockwise with your thumb on the finger grip of the sensor adapter. Turn all bayonet fittings hand-tight to their end stop for ade‐ quate leak-tightness.
Electrically and hydraulically assembling and installing the measuring points 7.3.3 Adjusting the Flow Sensor Switching Point Task: The flow sensor should switch when the flow falls; the flow sensor is connected as an N/C (Term. 1 - Term. 2 = NC - C): Use the ball valve to adjust the flow to 50 l/h Hold the flow sensor in place and loosen the mounting clip a little...
Page 36
Electrically and hydraulically assembling and installing the measuring points Connector Seal Nozzle Clamp ring Union nut Hose line P_MAZ_0041_SW Fig. 16: Installing the hose line Hydraulic installation, bypass fitting with pipework NOTICE! Decoupling the measuring plate from oscillations, vibrations etc. Put in place appropriate measures to decouple the measuring plate and on-site pipework from oscilla‐...
Page 37
After successful installation, a hydraulic test run of the monitoring system DULCOZERO-FCL is essential. Check the sample valve. The sample valve must be closed. otherwise sample water can escape.
Electrically and hydraulically assembling and installing the measuring points 7.5 Electrical installation of the measuring point WARNING! Live parts Possible consequence: fatal or very serious inju‐ ries. Measures: – Switch off the system until de-energised before opening the housing of the controller and/or terminal box.
Page 39
Electrically and hydraulically assembling and installing the measuring points Also observe the operating instructions for the – controllers and fittings and any other assem‐ blies, such as sensors, sample water pumps. Connecting sensors to the signal User qualification: trained qualified personnel or electrical tech‐ cable Ä...
DULCOZERO-FCL plate Install a mains cable to the terminal box. Wire all inputs and outputs not yet connected as per the wiring diagrams.
Page 41
Electrically and hydraulically assembling and installing the measuring points DULCOZERO Main Board Modul A Modul C Modul D Durchfluss- Sensor 40805427 Fig. 18: Wiring diagram, measuring plate Chlorine sensor The wires of the signal cable for sensor type CLZ 1 are fac‐ tory-connected to module A of the DULCOZERO-DACb with the poles connected as follows:...
Page 42
Electrically and hydraulically assembling and installing the measuring points Brown to terminal 3 on terminal block XE5 White to terminal 2 on terminal block XE5 pH sensor The coaxial signal cable of the pH sensor type PHER-DJ is factory-connected to module A of the DULCOZERO-DACb, as shown on the above figure.
Starting up the chlorine sensor Starting up the chlorine sensor Ä Chapter 2.5 ‘User quali‐ User qualification: trained user, see fication’ on page 13 This section describes the commissioning of the chlorine sensor CLZ. After installation and waiting for a stable measured value, the sensors for the measured variables ORP and pH can be calibrated immediately after following the instructions in these operating instructions.
Check the positions of all shut-off valves. The position of the shut-off valves must guarantee that the monitoring system DULCOZERO-FCL is leak-tight and that there is a flow of sample water. Connect the monitoring system DULCOZERO-FCL to a power supply with supply voltage.
Starting up the chlorine sensor To condition the amperometric sensors, make sure that there is electrical power to the sensors and that the appropriate run-in period stated in the above table has expired. ð The sensor signal should be stable in terms of time after conditioning.
All other tasks, such as configuring the inputs and outputs etc., are described in the detailed operating instructions for the ProMinent components. ® You will find the operating instructions for the ProMinent ® compo‐ nents on the manufacturer's homepage. 9.1 Operating concept 9.1.1 Display and keys...
Page 47
User interface of the controllers [Names in the display] = square brackets contain the name that appears with the identical wording in the controller display. Additional information can be obtained via the key. Illumination of the display In the event of an error with the status [ERROR], the backlight of the display changes from ‘white’...
Page 48
User interface of the controllers Kanal 1 Kanal 2 7.55 0.30 Kanal 3 A2441 Fig. 23: Example of a continuous display when used with 3 meas‐ uring channels (e.g. pH / chlorine / ORP) and the display of all 3 measuring channels Parameters in the adjustable menus Setting of the various parameters in...
User interface of the controllers 9.1.2 Functions of the keys Tab. 3: Functions of the keys Function Confirmation in the setting menu: Confirms and saves the input values. Confirmation in the continuous display: Displays all information about saved errors and warnings.
User interface of the controllers 9.1.3 Changes the set operating language Simultaneously press the keys ð The controller changes to the menu for setting the oper‐ ating language. Language Language German A1482 Fig. 24: Menu for setting the operating language Now using keys you can set the desired operating language...
User interface of the controllers Fig. 25: Alarm message, controller stops control 9.1.5 Key Lock The controller has a key lock. If the key lock is activated, the keys cannot be pressed. The key lock can be activated or deactivated by simultaneously pressing .
Commissioning the controller diaLog DULCOZERO DACb Commissioning the controller diaLog DULCOZERO DACb Sample water faults and alarm relays If the sample water falls below the minimum flow volumes (sample water fault), the controller switches to fault mode and control of all measuring channels stops.
Commissioning the controller diaLog DULCOZERO DACb Wait for the controller's module scan Module scan Base module Softw. version: 01.00.00.00 Expansion module Softw. version: 01.00.00.00 continue with <OK> Auto continue in 10 s A1081 Fig. 26: Module scan ð The controller indicates the controller modules installed and identified.
Commissioning the controller diaLog DULCOZERO DACb 10.1.4 Resetting the operating language Resetting the operating language In the event that a foreign and hence incompre‐ hensible operating language has been set, the controller can be reset to the basic setting. This is implemented by the simultaneous pressing of the keys.
Configuration of the controllers Configuration of the controllers The measured variables, sensor types and the measuring ranges of the sensors fitted are pre-set in the controllers when the meas‐ uring and control station is delivered. The correct presettings are the prerequisites for correct calibration of the measuring and con‐ trol station.
Calibrating the controller diaLog DULCOZERO DACb Calibrating the controller diaLog DULCOZERO DACb 12.1 Calibration User qualification: instructed personnel, Ä Chapter 2.5 ‘User qualification’ on page 13 Measuring channel settings This descriptions of [Channel 1] apply correspond‐ ingly to the settings in all other measuring chan‐ nels.
Calibrating the controller diaLog DULCOZERO DACb CAL Cl Last calibration 31.03. 2013 13:11:11 Slope 100 % Zero point 4.00 mA Slope calibration Calibration of zero point A1039 Fig. 29: [Calibration] display using [Chlorine] as an example. Calibrating the measuring channels The calibration processes are identical for all measuring channels.
Page 58
Calibrating the controller diaLog DULCOZERO DACb Selecting the calibration process Select the calibration process prior to initial calibration. This selec‐ tion is saved until you select a new process. 2-point calibration: This is the recommended calibration process because it evaluates the sensor characteristic data: asymmetric potential, slope and response speed.
Page 59
Calibrating the controller diaLog DULCOZERO DACb Buffer temperature dependencies Buffer temperature At temperatures that differ by 25°C in the process, adjust the pH of the buffer solution by entering the reference values printed on the buffer solution bottle into the controller prior to calibration. Buffer temperature dependencies An incorrectly entered buffer temperature can lead to incorrect calibration.
Page 60
Calibrating the controller diaLog DULCOZERO DACb CAL pH Buffer 1: Buffer 2: Calibr.param. for 25 °C Slope % Slope Asymmetry Zero point Accept with <CAL> A1019 Fig. 30: Display of the calibration result CAL pH Sensor quality Asymmetry in mV good acceptable good...
Page 61
Calibrating the controller diaLog DULCOZERO DACb Press CAL pH Calibration process 2 point Buffer detection requirement Buffer manufacturer ProMinent Buffer value 1 pH 7 Buffer value 2 pH 4 Buffer temperature A1025 Fig. 32: Selecting the calibration process ð The menu for selecting the calibration process appears.
Page 62
During calibration, adhere to the selected order e.g. Buffer value 1: pH 7 and Buffer value 2: pH 4: – ProMinent ® (pH 4; 7; 9; 10). (default setting) NBS/DIN 19266 (pH 1; 4; 7, ; 9). –...
Page 63
Calibrating the controller diaLog DULCOZERO DACb CAL pH Last calibration 14:26:07 06/04/2013 Slope 56.64mV/pH Zero point 7,00 pH CAL setup Calibration process 2 point continue with <CAL> A1016 Fig. 34: pH sensor calibration (CAL) Continue with Rinse the sensor thoroughly with water and dry with a cloth (pat dry, don't rub).
Page 64
Calibrating the controller diaLog DULCOZERO DACb [Buffer detection] e.g. [Manual] : Press and, using the four arrow keys, set the buffer value for buffer 1 to the value of the buffer you are using. Press to confirm input of the value.
Page 65
Calibrating the controller diaLog DULCOZERO DACb CAL pH Buffer 1: Buffer 2: Calibr.param. for 25 °C Slope % Slope Asymmetry Zero point Accept with <CAL> A1019 Fig. 37: Display of the calibration result Incorrect calibration An error message appears if the result of the calibration lies outside the specified tolerance limits.
Page 66
Calibrating the controller diaLog DULCOZERO DACb NOTICE! Poor sensor operation and fluctuating pH values during the process The calibration method with an external sample has a number of disadvantages compared with the buffer solution calibration method. If the pH value fluctuates significantly during the process, then the pH value may change by a variable amount in the period between sampling, sample measurement...
Page 67
Calibrating the controller diaLog DULCOZERO DACb CAL pH Last calibration 06/05/2013 14:26:07 Zero point Slope CAL setup Sample (1-point) Calibration process Buffer temperature Manual continue with <CAL> A1023 Fig. 38: pH sensor calibration (CAL) Continue with Take a water sample at the in-line probe housing and, using a suitable method (measuring strips, hand measuring instru‐...
Page 68
Calibrating the controller diaLog DULCOZERO DACb [Data Input] 12.1.1.4 Calibration of the pH Sensor (CAL) by Data input With the [Data input] calibration method, the known data of the sensor is entered in the controller. Cali‐ bration by data input is only as accurate and reli‐ able as the method with which the data was deter‐...
Page 69
Calibrating the controller diaLog DULCOZERO DACb CAL pH Last calibration 06/05/2013 16:47:32 Zero point 7,00 pH Slope 59.16 mV/pH CAL setup Calibration process Data input continue with <CAL> A1024 Fig. 40: pH sensor calibration (CAL) Continue with CAL pH Slope -58.07 mV/pH at 25.0 °C -6.4 mV...
Calibrating the controller diaLog DULCOZERO DACb 12.1.2 Calibrating the ORP Sensor 12.1.2.1 Selecting the calibration process for ORP Selecting the calibration process There are two calibration processes available for calibrating the controller: 1-point (with buffer solution) Data input Continuous display ➨ CAL ORP Offset 0.0 mV...
Page 71
Calibrating the controller diaLog DULCOZERO DACb ORP sensor calibration The ORP sensor cannot be calibrated. Only an [OFFSET] deviation of magnitude ± 40 mV can be set and thus compensated. If the ORP sensor deviates by more than ± 40 mV from the reference value, then it must be checked in accordance with the requirements of the sensor operating instruc‐...
Page 72
Calibrating the controller diaLog DULCOZERO DACb CAL ORP Immerse sensor in buffer continue with <CAL> A1028 Fig. 44: 1-point calibration of ORP sensor (CAL) Carry out the instructions and then press [Please wait!] flashes. ð Calibration is running CAL ORP Sensor calibration in buffer Sensor voltage 0.1 mV...
Page 73
Calibrating the controller diaLog DULCOZERO DACb Press Transfer the result of the calibration into the controller memory by pressing ð The controller operates with the calibration results. 12.1.2.3 Calibration data for ORP sensor (CAL) Correct sensor operation Correct measuring and metering is only pos‐ –...
Calibrating the controller diaLog DULCOZERO DACb Continuous display ➨ CAL ORP 0.0 mV Offset Last calibration 21.05.2013 14:59:56 CAL setup Data input offset Calibration process continue with <CAL> A1032 Fig. 47: Data input, ORP sensor calibration (CAL) Continue with CAL ORP Offset 0.1 mV Accept with <CAL>...
Page 75
Adjust the interval to your application, as required. 12.1.3.2 Selection of the calibration process There are four selection options in the calibration menu of the DULCOZERO-FCL: CAL-Start® calibration of the slope Flushing ® flushing of the metering system CAL zero point ® calibration of the zero point CAL setup ®...
Page 76
Calibrating the controller diaLog DULCOZERO DACb Use the arrow keys to select the required menu item. Press ð You can now start the selected calibration process. 12.1.3.3 CAL start / Calibration of the slope WARNING! Hazard from the hazardous substance calcium hypochlorite Ca(ClO) Possible consequence: fatal or very serious inju‐...
Page 77
Calibrating the controller diaLog DULCOZERO DACb Measuring and control behaviour of the controller during calibration During calibration the actuating outputs are deacti‐ vated. Exception: a basic load or a manual control variable has been set. This remains active. The measured value output [standard signal output mA] is frozen, corresponding to its settings in the mA output menu.
Page 78
Calibrating the controller diaLog DULCOZERO DACb CAL Cl 1) Fill dosing bottle with water 2) Add calibration reagent 3) Close the bottle 4) Mix for 60 s by shaking 5) Place dosing bottle into holder 6) Close the tube connector 7) Open the bottle Cancel with <ESC>...
Page 79
Calibrating the controller diaLog DULCOZERO DACb CAL Cl Dosing in progress 00:44:03 Please wait for a stable sensor signal Sensor current 12.27 mA unstable stable Cancel with <ESC> Fig. 53: Reference value calibration, wait for signal stability. The sensor signal is assessed as being stable as soon as the bar has reached the end third.
Page 80
Calibrating the controller diaLog DULCOZERO DACb CAL Cl Measured value with sampling 0.479 ppm Change with <OK> Continue with <CAL> Fig. 55: Display of the measured value Then press to adjust the ppm value or press to con‐ tinue with calibration. If you have to adjust it, use the cursor keys to change the value and continue with CAL Cl Measured value with sampling...
Page 81
Calibrating the controller diaLog DULCOZERO DACb Incorrect calibration An error message appears if the result of the cali‐ bration lies outside the specified tolerance limits. In this case, the current calibration is not carried over. Check the prerequisites for calibration and rectify the error.
Page 82
Calibrating the controller diaLog DULCOZERO DACb CAL Cl Flushing in progress Please wait! 00:05:00 Cancel with <ESC> Fig. 59: Flushing, timer Flushing has now ended. Open the hose coupling and remove the dosing bottle from its holder. CAL Cl Flushing completed. Please drain dosing bottle and replace empty in the holder End with <OK>...
Page 83
Calibrating the controller diaLog DULCOZERO DACb CAUTION! Correct sensor operation / Run-in period Damage to the product or its surroundings – Correct measuring and metering is only pos‐ sible if the sensor is working perfectly – Please read the operating instructions for the sensor –...
Page 84
Calibrating the controller diaLog DULCOZERO DACb CAL Cl Zero point Range Accept with <CAL> A1046 Fig. 61: Calibration of the zero point Then press CAL Cl Calibration successful Slope Zero point continue with <CAL> A1048 Fig. 62: Calibration of the zero point Import the result of the calibration into the controller memory by pressing ð...
Maintenance Maintenance 13.1 General WARNING! Danger from hazardous substances! Possible consequence: Fatal or very serious inju‐ ries. Please ensure when handling hazardous sub‐ stances that you have read the latest safety data sheets provided by the manufacture of the haz‐ ardous substance.
Page 86
Maintenance These parts of the DULCOZERO-FCL measuring system require the following maintenance: Component Maintenance Interval Bypass fitting Check the leak-tightness of the Depending on the application. bypass fitting Recommendation with clear to slightly turbid water: every 3 Bypass fitting Check the sensor modules for dirt...
Maintenance 13.2 Maintenance and repair of the chlorine sensor CLZ Ä Chapter 2.5 ‘User qualifi‐ User qualification: instructed user cation’ on page 13 Maintenance interval CAUTION! – Maintain the sensor regularly to guarantee its measuring ability. Note the 3-monthly calibra‐ tion interval.
We recommend that you replace the reference system every 2 ... 3 years, but at the latest when white and/or silver discolouration is visible on the reference system. The reference system can only be replaced by ProMinent. 13.2.2 Repair The sensor can only be repaired in the factory. Return the sensor in its original packaging.
Maintenance 13.3 Bypass fitting BAMa: Cleaning sensor modules INFORMATION: To minimise disruption to operation, you can remove individual sensor modules from the bypass fitting and replace them with cleaned sensor modules or with the hydraulic short circuit module. You can then clean the sensor modules you have removed and keep them for the next cleaning cycle.
Maintenance Unscrew the sensor module (2 x knurled head screws). Remove the sensor module from the module carrier. Drain the sensor module. Clean the collector in the module carrier. Replace all O-rings removed. Insert the sensor module or the hydraulic short circuit module into the module carrier.
Page 91
Maintenance A3237 Fig. 65: Fixing bolts (1) and retaining lugs (2) and (3) On the back of the bypass fitting, remove the fixing bolts (1) of the module holder that is to be removed or where the extension module is to be fitted. Unlock the retaining lugs (2) and (3) of the module holder and remove the module holder, rotating the modules approx.
Remedy No or insufficient sample water The optionally fitted filter upstream Clean or replace the filter. See flow of the DULCOZERO-FCL is manufacturer's documentation blocked (Flow meter shows no flow or too low a flow) The optionally fitted sample water Check and, as necessary, repair pump upstream of the DULCO‐...
Page 93
Wrong electrolyte added. No correct sensor Only use electrolyte specified for the respec‐ function, destruction tive sensor. of the reference Return sensor to ProMinent for treatment system. No clamp disc on the sensor. Leakage at the Follow the installation instructions. bypass fitting.
Page 94
Troubleshooting Measure/Remedy The sensor is not yet ready for measurement, increase the run-in period. Check whether substances (reducing agent, such as sulfite) are contained in the sample water, which interfere with the sensor. If no error has been localised by these measures: ð...
Page 95
CLZ’ on page 87 . Check whether there might be troublesome substances (e.g. surfactants/oils) in the sample water. ð Contact ProMinent if this is the case. Check whether the conductivity of the water is at least 200µS/cm.
Troubleshooting If the reason for this fault cannot be determined we recom‐ Ä Chapter 13.2 mend cleaning the sensor, as described in ‘Maintenance and repair of the chlorine sensor CLZ’ on page 87 . Description of the error: Sensor display >> DPD-1 value, No adjustment possible (slope too steep).
BAMa. 14.1.4 DULCOZERO-FCL system messages The following table lists system messages associated with the chlorine monitoring function. They are displayed in the main dis‐ play view and are also listed in the system message memory of the DULCOZERO-DACb.
Page 98
Troubleshooting Message Explanations Display - Main view System message Warning 06 Chlorine level There is a high proba‐ The display lights up The following entry above threshold bility that there is normally and in the appears among the chlorine in the system. last row at the bottom system messages of However, the chlorine...
Decommissioning and disposal Decommissioning and disposal WARNING! Danger from hazardous substances! Possible consequence: Fatal or very serious inju‐ ries. Please ensure when handling hazardous sub‐ stances that you have read the latest safety data sheets provided by the manufacture of the haz‐ ardous substance.
Decommissioning and disposal 15.3 Decommissioning the chlorine sensor Ä Chapter 2.5 ‘User User qualification: instructed user, see qualification’ on page 13 Disconnect the sensor electrically. Depressurise the bypass fitting by opening the sample valve. Loosen the clamping screw. Open the sample valve and pull the sensor slowly out of the bypass fitting.
Page 101
Refer to the material safety data sheet for your feed chemical as well. A current Declaration of Decontamination is available to download on the ProMinent website. Please also observe the information on the current Declaration of Decontamination. Sign indicating EU collection system...
Technical data and operating parameters Technical data and operating parameters Electrical data for versions with order no. 1137028 and 1138500: 230 V AC ® 50/60 Hz 30.5 W ® 0.25 A for versions with order no. 1138498 and 1138499: 115 V AC ® 50/60 Hz 30.5 W ®...
Mono-, di-/trichloroamine, Iodine, Chlorine dioxide Bromine, Bromamines. Faults: Rust, Lime, Agents that decrease surface tension (e.g. cleaning agent surfactants), Hardness stabilisers. Deposits are minimised and/or the depositing of substances is delayed by the cleaning unit inte‐ grated in the DULCOZERO-FCL.
Page 104
Technical data and operating parameters Tab. 7: Material specifications of the wetted components of the amperometric sensor Component Sensor type Material Colour Shaft CLZ 1 PVC-U black Clamp disc CLZ 1 black Electrode holder CLZ 1 PMMA transparent Working electrode CLZ 1 gold gold-coloured...
Technical data and operating parameters 16.2 Flow and operational test of the flow control Set the ranges of the reed switch on the flow control BAMa to Min‐ imum and Maximum, switching the DULCOZERO-DACb from Ope‐ ration to Pause when doing so Check: The wiring to the controller is correct, The switching function of the flow sensor,...
COZERO-DACb controller, the previous configuration of the old controller can be transferred using the SD card if required. Monitoring system DULCOZERO-FCL - Free chlorine Fig. 66: Spare parts for the monitoring system DULCOZERO-FCL - Free chlorine Position number Description Part number...
Spare parts and accessories Position number Description Part number Peristaltic pump DF2A0204PZ0B40W0 (115 V version) 1140549 DULCOZERO spare parts kit 1137025 The following spare parts are also available (not illustrated above): Description Part number Electrolyte for chlorine sensor CLZ, 100 ml 1137064 Sensor cap for chlorine sensor CLZ 1137029...
EU Declaration of Conformity EU Declaration of Conformity ProMinent GmbH Im Schuhmachergewann 5 - 11 D - 69123 Heidelberg, Germany, hereby declare that the product specified in the following, complies with the relevant basic health and safety requirements of the EU Directive, on the basis of its functional concept and design and in the version distributed by us.
Page 109
Index Index 1, 2, 3 ... Designation of the product ....108 Direction of flow ......31 3 versions of sensor adapter .
Page 110
Index Question: What type of buffer solutions do I need for pH calibration? ....62 Mains switch ......38 Question: Which calibration process can you Material safety data sheet .
Page 111
Index Three-electrode sensor ....27 Transport ......16 User qualification .
Need help?
Do you have a question about the DULCOZERO-FCL and is the answer not in the manual?
Questions and answers