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Installation and Operating Instructions 

 

 

 

Water treatment for pH and ORP 

optional with web server and Internet connection 

 

 

Technical Data

 

WATER

FRIEND

 

exclusiv

 

 

Nominal voltage 

1/N/PE 230V/50Hz 

Metering pump pH 

Peristaltic pump 

Metering pump ORP 

Peristaltic pump 

Flow rate pH 

0 to 10 L / h 

Flow rate ORP 

0 to 10 L / h 

Protection class 

IP 20 

Housing size 

500 x 390 x 130 

Humidity 

0 to 95%, non condensing 

Surrounding temperature 

0 to 40 °C 

Measuring water pressure 

max. 2 bar 

 

 

MRD-2 

Made by 

 

Summary of Contents for WATERFRIEND exclusiv MRD-1

Page 1: ...TERFRIEND exclusiv Nominal voltage 1 N PE 230V 50Hz Metering pump pH Peristaltic pump Metering pump ORP Peristaltic pump Flow rate pH 0 to 10 L h Flow rate ORP 0 to 10 L h Protection class IP 20 Housing size 500 x 390 x 130 Humidity 0 to 95 non condensing Surrounding temperature 0 to 40 C Measuring water pressure max 2 bar MRD 2 Made by ...

Page 2: ...n 9 Displays 9 Temperature 9 Measurement water flow quantity 9 Child lock 10 Professional level 11 Bleed metering hose 11 pH regulation 11 Switching off pH regulation 11 Setting the pH target value 12 Setting the alarm limit values 12 Setting the lower pH alarm 12 Setting the upper pH alarm 13 Setting the pH proportional range 13 Meaning of the proportional range 14 Setting the maximum pH metering...

Page 3: ...splay 27 Acoustic error message 28 Increase pH decrease pH 28 Alarm error message 29 Acknowledging an error message 29 Measuring chamber colors 29 Meaning of the individual colors 29 Using the osf communication server 30 Communication server for pool owners 30 Registering a new device with the server 31 Communication server for pool installers 32 Registering a new control unit with the server 33 C...

Page 4: ... pH electrode 39 ORP electrode 39 Metering pumps 40 Annual service 40 Replacing ORP and pH electrodes 40 Replacing the metering hose 40 Decommissioning 40 Electrodes 40 Flow fitting 40 Metering pumps 40 Wear parts 40 Interfacing with building automation systems 41 Shipment of the dosing system 43 ...

Page 5: ...ing maintaining inspecting and installing the device must have appropriate qualifications for this work The plant operator must precisely define the areas of responsibility responsibilities and monitoring of the personnel If the personal does not have the required knowledge they must be trained and instructed This can be carried out by the manufacturer or supplier on behalf of the owner if require...

Page 6: ... the installation site may not exceed 95 and no condensation may take place Please avoid direct heat or sun irradiation onto the device Installation in the water circuit Please observe all valid safety regulations when carrying out installation work and ensure that this is carried out carefully Disconnect the measuring regulation and metering device and all other electrical consumers such as filte...

Page 7: ...Steckverbinder connector Dosierpumpe pH dosing pump pH Dosierpumpe Chlor dosing pump chlorine Niveau Sensor pH level sensor ORP Niveau Sensor Chlor level sensor chlorine Lvl 1 Lvl 2 Netz mains 1 N PE 230V 50Hz N L1 Sicherung fuse T2A Alarm Freigabe Filtersteuerung enable pool control PWM1 PWM2 Alarm Externe Pumpe Chlor external pump chlorine Externe Pumpe pH external pump pH Data Data RS 485 Servi...

Page 8: ... accessed from the external touch panel of EUROMATIK net to the water treatment WATERFRIEND MRD 2 Please note the instruction manual of the EUROMATIK net Connecting to the computer network optional Connection to the Internet is only possible for dosing controls with integrated web server option and is carried out by the communication server The WATERFRIEND MRD 2 is connected using a standard Ether...

Page 9: ...ng on the pipeline routing and surrounding temperatures Measurement water flow quantity Quantity of water flowing through the measuring chamber 7 20 800 721 675 D 2 D 10 pH mV Child lock OFF Internet Time Temperature Measurement water flow quantity Current pH value Target value Regulation status Current ORP value Target value Regulation status Current key function Current key function Confirm sele...

Page 10: ...he chlorine dosing is temporarily blocked because the pH value is too high for reliable chlorine control pH too low The chlorine dosing is temporarily blocked because the pH value is too low for reliable chlorine control dos time Dosing is blocked because the specified maximum dosing time has been exceeded After eliminating the cause of the error this error message must be acknowledged by pressing...

Page 11: ...backed text to the line hand dosage by pressing the keys or Press the OK key Each metering pump can be switched on and off individually by pressing the appropriate keys While doing so please observe the corresponding status display The maximum runtime is limited to 60 seconds Once this time has elapsed the pumps will be switched off automatically The remaining runtime is shown graphically in the d...

Page 12: ...ve the cursor by pressing the arrow keys and and also use the and arrow keys to set the target value The maximum and minimum possible values are shown right and left in the display Setpoint Press the OK key to save the settings Setting the alarm limit values These settings may only be adjusted by a specialist Setting the lower pH alarm There is a setting facility for the required alarm limit value...

Page 13: ...Press the OK key to save the settings Setting the pH proportional range The controller offers the facility for setting the regulation proportional range in order to adapt the WATERFRIEND to the requirements of the specific swimming pool This value influences the delivery quantity by optimising the pulse width modulation This means that the duty cycle is modulated at constant frequency The numeric ...

Page 14: ... right and left in the display Proportional range Press the OK key to save the settings Meaning of the proportional range Adjustment Benefits Disadvantages Diagram Small P range Fast accurate control When switching on an overshoot can occur Wide P range No overshoot Slow control small deviations between desired and actual values possible Setting the maximum pH metering time The metering time limit...

Page 15: ...d arrow keys to set the maximum time The maximum and minimum possible values are shown right and left in the display Max Time Press the OK key to save the settings pH metering pump flow rate The integrated speed control for the metering pumps enables optimum adaptation of the regulation to the pool size Procedure Press the MENU key Move the cursor blue backed text to the line set pH by pressing th...

Page 16: ...the pipe length and the filter itself The delay period can if required be adapted to the actual pool size Procedure Press the MENU key Move the cursor blue backed text to the line set pH by pressing the keys or Press the OK key Press the NEXT key Move the cursor blue backed text to the line delay pH by pressing the keys or Press the OK key You can move the cursor by pressing the arrow keys and and...

Page 17: ...lue backed text to the line setpoint by pressing the keys or Press the OK key You can move the cursor by pressing the arrow keys and and also use the and arrow keys to set the target value The maximum and minimum possible values are shown right and left in the display Target value Setting the alarm limit values These settings may only be adjusted by a specialist Setting the lower ORP alarm There i...

Page 18: ... the OK key to save the settings Setting the ORP proportional range The controller offers the facility for setting the regulation proportional range in order to adapt the WATERFRIEND to the requirements of the specific swimming pool This value influences the delivery quantity by optimising the pulse width modulation This means that the duty cycle is modulated at constant frequency The numeric valu...

Page 19: ...e cursor by pressing the arrow keys and and also use the and arrow keys to set the proportional range The maximum and minimum possible values are shown right and left in the display P range Press the OK key to save the settings Meaning of the proportional range Adjustment Benefits Disadvantages Diagram Narrow P range Fast accurate control When switching on an overshoot can occur Wide P Range No ov...

Page 20: ...keys to set the time limit The maximum and minimum possible values are shown right and left in the display Max time Press the OK key to save the settings ORP Power on delay The controller only starts up after a delay period once the power supply has been provided and once external enable has been switched on e g filter control unit This power on delay is necessary because a period specific to the ...

Page 21: ... to the line set ORP by pressing the keys or Press the OK key Press the NEXT key Move the cursor blue backed text to the line Cl pump l h by pressing the keys or Press the OK key You can move the cursor by pressing the arrow keys and and also use the and arrow keys to set the capacity The maximum and minimum possible values are shown right and left in the display Capacity Press the OK key to save ...

Page 22: ... impurities Calibrating the pH electrode The pH electrode can generally be calibrated as a 1 point calibration This can be done using the pH 7 buffer solution or on the fly be done with the help of a photometer If the measured values deviate significantly a 2 point calibration with 2 buffer solutions can also be carried out The buffer solutions used must be free of impurities and fresh Calibrate c...

Page 23: ...on was not able to be completed and the Big divergence is shown in the display the following causes are possible The pH electrode combination electrode is worn The electrode service life is limited depending on the water quality and its care You have mixed up the buffer solution sequence 1st pH 7 2nd pH 4 This sequence must be strictly observed You used the same buffer solution twice Correct calib...

Page 24: ...y The display now shows the adjacent screen Once calibration is complete the offset of the electrode is shown in the display Press the OK key to finish calibration ORP calibration errors If the calibration was not able to be completed or the discrepancy is larger than 10 the following causes are possible The ORP electrode combination electrode is worn The electrode service life is limited dependin...

Page 25: ...and and you can change the settings by use of the arrow keys and Press the OK key to save the settings Selecting the language Procedure Press the MENU key Move the cursor blue backed text to the line SERVICE by pressing the keys or Press the OK key Press the NEXT key Move the cursor blue backed text to the line language by pressing the keys or Press the OK key By pressing the arrow keys and the cu...

Page 26: ... by pressing the keys or Press the OK key In the display you see the operating time since the last calibration LAN settings Access control PIN numbers Procedure Press the MENU key Move the cursor blue backed text to the line SERVICE by pressing the keys or Press the OK key Press the NEXT key Move the cursor blue backed text to the line LAN settings by pressing the keys or Press the OK key 7 20 800...

Page 27: ...ttings to the factory settings then press the YES key Adjustment of temperature display If the display screen shows a temperature different to the actual temperature present at the sensor in the flow fittings you can adjust the display This can be the case for example after a temperature sensor has been replaced The temperature can be changed by up to 10 Procedure Press the MENU key Move the curso...

Page 28: ...ers the facility to select between operating modes increase pH or decrease pH in order to adapt the WATERFRIEND to the requirements of the specific swimming pool Procedure Press the MENU key Move the cursor blue backed text to the line SERVICE by pressing the keys or Press the OK key Press the NEXT key Move the cursor blue backed text to the line Configuration MRD 2 by pressing the keys or Press t...

Page 29: ...electrodes are multi colored RGB light emitting diodes which signal different states When a new WATERFRIEND is installed and the electrodes have been calibrated the color light will turn green As the operating time progresses the color changes steadily over yellow orange and red At the latest when the color light is red the corresponding sensor must be calibrated Meaning of the individual colors B...

Page 30: ... This server is designed for pool installers The top level page shows all registered pool installations in a clear layout on the monitor All main parameters and any fault indicators for every customer system are visible at a glance Devices2 osf de This server provides the usual technical view for all connected osf devices Devices osf de For the time being it is still possible to use this familiar ...

Page 31: ... new device in your user profile Each web enabled osf control unit has a DEVICE ID identification number This DEVICE ID must be entered in the correct column in order to register the device with the communication server You can find the DEVICE ID of your device displayed on its Information page see above For devices without a display the ID number appears on an adhesive label When finished save th...

Page 32: ... communication server the option Internet connection via communication server must be enabled in the control unit itself default factory setting Communication server for pool installers You can access this osf communication server at the address service osf de You must first register as a new user ...

Page 33: ...entered in the correct column in order to register the device with the communication server You can find the DEVICE ID of your device displayed on its Information page see above For devices without a display the ID number appears on an adhesive label When finished save the information you have entered If you press the Your devices button your pool installations are now displayed in your Device pan...

Page 34: ...ust be enabled in the control unit itself default factory setting Communication server with technical view You can access this osf communication server at the address devices2 osf de You must first register as a new user Customer name Connected to the osf communication server Server connection lost at Display graphs The Paradise Therme baths contain 4 web enabled osf devices ...

Page 35: ...then register your new device in your user profile Each web enabled osf control unit has a DEVICE ID identification number This DEVICE ID must be entered in the correct column in order to register the device with the communication server You can find the DEVICE ID of your device displayed on its Information page see above For devices without a display the ID number appears on an adhesive label Whe...

Page 36: ...e enabled in the control unit itself default factory setting Read device ID on the display of the dosing control Procedure Press the MENU button Move the cursor blue backed text to the line SERVICE by pressing the keys or Press the OK key Press the NEXT button Move the cursor blue backed text to the line About dosage systems by pressing the keys or 7 20 800 721 675 D 2 D 10 pH mV ...

Page 37: ...ction for access via the LAN The User PIN lets you operate the control unit and adjust the essential main functions The Service PIN is needed to perform service functions and to change settings at the Service level The following PINs are factory set User PIN 1234 Service PIN 5678 The MRD 2 must be connected to the Internet in order to be able to change the PINs You make the change to a PIN via the...

Page 38: ...elevant e mail addresses 2 maximum via the WEB interface of the communication server Entering an e mail address Assigning a name 1 Log in as usual to the communication server 2 Then log in with the Service PIN 3 In the Home page press the menu button 4 In the main menu press the Service button 5 You can enter the name of the unit and the e mail addresses here Update The MRD 2 has a software update...

Page 39: ...at regular intervals 6 monthly service Sealtightness Check all connections for sealtightness at regular intervals Dirt filter The filter screen should be checked for soiling and accumulations at regular intervals The filter screen must be cleaned or replaced if necessary Injection valves The injection valves should be checked for soiling and accumulations at regular intervals They should be cleane...

Page 40: ...hose Protect yourself against the metering media wear appropriate protective clothing The metering hoses should be replaced at intervals of one year Decommissioning If the metering unit will not be used for long periods for example during the winter the following measures are necessary Electrodes Take the electrodes out of the flow fitting and insert them in the case in which they were delivered F...

Page 41: ...s control file can contain variables in the format nnnn which the web server then replaces with the data that is currently valid A list of available variables appears at the end of this document A control file ISTWERTE HTM containing the following pH value 0001 pH ORP value 0003 mV would on opening http xxx xxx xxx xxx istwerte htm return the following text for example pH value 7 26 pH ORP value 6...

Page 42: ... mode off i Switch modes 0032 Operating mode ORP controller W ASCII 0 1 i 0 Auto mode on 1 Auto mode off i Switch modes 0041 Lower alarm limit value pH R W 3 00 8 00 pH 0043 Lower alarm limit value ORP R W 300 700 mV 0051 Upper alarm limit value pH R W 6 00 9 99 pH 0053 Upper alarm limit value ORP R W 700 999 mV 9000 Collective fault message R 0 1 0 Off 1 On 9031 Status variable pH control R 0 1 0...

Page 43: ...azards caused by residual contamination This form has been correctly and completely filled out and the device has been shipped in accordance with the statutory requirements If the manufacturer has to carry out cleaning work all costs incurred will be invoiced Please fill out legibly Company Road Postcode town Country Telephone E mail Fax Surname First name Date Signature Stamp osf Hansjürgen Meier...

Page 44: ...Installation and operating manual for WATERFRIEND exclusive MRD 2 Page 44 44 ...

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