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Safety reliably produced. 

© RLS Wacon analytics GmbH ∙ +49 (0)5121 28126 0 ∙ 

[email protected]

 

Subject to 

change without notice

 

60 

Maintenance and service 

 

Checking the LED indicators 

After switching on the unit, diagnostic step 1 begins: The LEDs light up one after the other. 
 

 

Limit value undercut 

 

Exceeding the limit value 

 

Analysis active 

 

Lack of reagent 

 

Device fault 

 
 
Checking the buttons  

After pressing the "Start" button for the first time, the buttons are tested. 
By pressing the following buttons, the corresponding LED lights up: 

 

Valve" button 

 

Reagent" button 

 

 

Содержание 32-074165

Страница 1: ...Safety reliably produced Operating instructions LIMES Hardness control device for automated monitoring of total hardness in the process water...

Страница 2: ...Safety reliably produced RLS Wacon analytics GmbH 49 0 5121 28126 0 info rls wacon de Subject to change without notice 2...

Страница 3: ...Overview of the electrical connections junction box 25 Establishing the supply voltage with junction box 26 Establishing the supply voltage without junction box 26 Connecting the relay outputs 27 Conn...

Страница 4: ...ristaltic pump cash register 55 Component exchange 56 Diagnostic functions LIMESPlus 59 Diagnostic functions LIMESBase 64 Spare parts 65 Maintenance sets and accessories 67 Maintenance sets 67 Accesso...

Страница 5: ...and instructions in this manual may differ from your actual purchased unit We reserve the right to make technical changes without prior notice On our website www rls wacon de you will always find the...

Страница 6: ...n triggering can be realised The LIMES analyser is characterised by low maintenance costs Up to 10 000 analyses can be carried out with a 750 ml reagent bottle The input contact of the device can addi...

Страница 7: ...ogramming may only be carried out by a designated specialist The water connection lines to the unit should be kept as short as possible and should not be laid together with mains lines or in their imm...

Страница 8: ...ontacts Input contact INPUT start or stop analysis interval Relay output 1 Boundary value alarm Relay output 2 Unit fault or reagent message BoB Functions Adjustable flushing time Fixed 50 sec First v...

Страница 9: ...you must expect pipes under pressure Irritant This symbol indicates the danger of harmful as well as irritating chemicals Avoid direct skin contact Voltage This symbol indicates the danger of electri...

Страница 10: ...or is one of the central components for the self sufficient operation of the unit and does not need to be maintained or replaced Selectable interval time LIMESPlus The interval time between two measur...

Страница 11: ...aned The hose pump cassette and sealing rings typically only need to be replaced every 24 months Efficient reagent consumption The reagent bottle is easy to replace A freshly inserted 750 ml bottle al...

Страница 12: ...orite or ozone above the limits permitted in TrinkwV 2012 attack the dye contained in the reagent and interfere with the measurement This means that an exact determination of the water hardness is no...

Страница 13: ...0 1 0 1 dH LHV 0 5 0 5 dH LHV 3 3 dH LHV 77 dH For more information see page 69 Reagent consumption 0 10 ml analysis Up to 10 000 analyses per 750 ml reagent bottle Accuracy Measurement accuracy 10 o...

Страница 14: ...he following conditions The maximum permissible load capacity of the relay outputs and the total power of the system must not be exceeded by the connected load All inductive loads valves motors contac...

Страница 15: ...ptionally available for protection against dirt and dust Illustration 1 LIMES rear and side view dimensions are in mm The unit is attached to a wall or suitable supporting structure using 3 screws max...

Страница 16: ...tion box is attached to a wall or suitable supporting structure using 4 screws max 6 mm 1 Select a suitable mounting location 2 First pre mount on the wall with two screws A 3 Align junction box 4 Fin...

Страница 17: ...ead into an open channel via a short connection The drainpipe must remain depressurised Make sure that the inlet and outlet are not interchanged The inlet is located on the left side of the inlet filt...

Страница 18: ...Filter H Pressure regulator I Reagent bottle 750 ml J Solenoid valve K Water inlet sample water Push in connection for plastic hoses with 1 4 inch outer diameter L Water drainage M Measuring chamber d...

Страница 19: ...21 28126 0 info rls wacon de Subject to change without notice 19 Device overview Observe the correct placement and flow direction when replacing components or performing other work on the analyser Ill...

Страница 20: ...status and 4 keys to operate the unit Illustration 6 LIMES Unit overview front foil The LED display shows the operating status LED Colour Information A Green two colour LED Limit value undershot A Red...

Страница 21: ...B Position Information A Rotary switch for setting the rinsing time B Programme switch for configuring the operating requirements Observe the plug in direction of the plug on board when upgrading from...

Страница 22: ...Fine wire fuse 5 x 20 mm 400 mA inert F Connections Actuator board LED 1 Red 5V 2 Black Solenoid valve Valve 3 Red 24V 4 White Dosing pump Pump I 5 Red 24V 6 Black G Connections input contact Input f...

Страница 23: ...collars To loosen a terminal use a slotted screwdriver SL with a maximum blade width of 3 mm The relevant VDE regulations must be observed during all installation work Before opening the housing disco...

Страница 24: ...n L Brown N Blue Relay output 1 Output 1 Water Limit value alarm COM White NC Brown NO Green Relay output 2 Output 2 Alarm Device malfunction Reagent message BoB COM Yellow NC Grey NO Pink Input conta...

Страница 25: ...r On off switch on the junction box 3 L power out Switched supply voltage for the LIMES analyser 4 N power in Connection for supply voltage with wiring for On off switch on the junction box 5 N power...

Страница 26: ...ip the cable as well as PE L and N use wire end ferrules if necessary 3 Connect PE L and N according to the illustration marked red Note the further wiring to and from the unit switch as well as to th...

Страница 27: ...nnection from COM to NO An indicator light or horn can be connected to relay output 1 to signal a limit violation If the limit value is exceeded relay output 1 remains switched in the position connect...

Страница 28: ...d Power failure o The analyser is switched off relay output 2 has dropped out Reagent message o The content of the reagent bottle is below approx 10 Error zero sample no sufficient brightness before r...

Страница 29: ...analysis interval No external voltage may be applied to the input contact For information regarding the wiring of the input contact see page 33 Information regarding the function of the input contact...

Страница 30: ...1 picked up when limit value is exceeded COM NO Relay output 2 in case of unit malfunctions or reagent message BoB dropped out COM NC Circuitry of the input contact INPUT see page 33 Drawn position fo...

Страница 31: ...this wiring If a limit value violation or a device fault is detected relay 1 or 2 switches and the continuity between terminals 11 and 6 is interrupted Attention Relay output 1 picked up when limit v...

Страница 32: ...ut 1 picked up when limit value is exceeded COM NO Relay output 2 in case of unit malfunctions or reagent message BoB dropped out COM NC Wiring of the input contact INPUT see page 33 Drawn position fo...

Страница 33: ...n analysis interval No external voltage may be applied to the input contact Information regarding the function of the input contact depending on the programme switch can be found from page 41 It is re...

Страница 34: ...The input contact function is not active on the LIMESBase Controls or switches connected to the input contact do not cause analyses to start or stop To enable the input contact function you need an u...

Страница 35: ...can switch on the reagent pump e g to vent the hose line during commissioning The agitator runs simultaneously with the reagent pump Reset Functions Clear relay 1 if the limit value is exceeded Clear...

Страница 36: ...e system is ready again after regeneration The analysis takes 3 minutes plus the set flush time A control measurement takes place 4 minutes after completion of the first measurement first value suppre...

Страница 37: ...e stirring blade is stopped The actuator board LED lights up and the evaluation of the water sample takes place immediately The result of the measurement is displayed on the LEDs on the front of the u...

Страница 38: ...correct reagent type is used for the application Check that the expiry date of the reagent has not expired Make sure that all water bearing parts are tight and that the inlet and outlet are connected...

Страница 39: ...r The 16 step rotary switch for setting the rinse time and the programme switches SW are located on this board Setting Factory setting Flushing time Position 6 4 minutes Setting Factory setting Analys...

Страница 40: ...ne free and fresh water is analysed A long rinsing time also reduces build up in the measuring chamber The local conditions of a system can be very different different pipe cross sections to the softe...

Страница 41: ...Description Closed The input contact is permanently closed Open The input contact is permanently open Pulse Only one analysis is carried out Setting for the use of a switch or flow monitor Internal an...

Страница 42: ...ow monitor This function is used if analyses are only to be carried out as soon as a water withdrawal takes place This is particularly useful for discontinuous operation i e filling up a storage tank...

Страница 43: ...e use of an external control depending on SW1 and SW2 switch position External analysis start input contact activated SW3 ON SW programme switch position INPUT Input contact Function For pulsed operat...

Страница 44: ...er in the set interval The pausing of the analysis interval by the flow monitor is indicated by the yellow LED flashing If the flow monitor reports flowing water after a standstill period an analysis...

Страница 45: ...prevents false alarms due to the counter ion effect after a system shutdown The LIMESBase and the LIMESPlus are factory equipped with a fixed activated first value suppression Trigger conditions for a...

Страница 46: ...ied out yet When the input contact is open the yellow LED Input contact open also flashes Insert a full reagent bottle and reset reagent level Insert a full reagent bottle into the LIMES Press and hol...

Страница 47: ...unit status is indicated by 4 LEDs on the front of the unit The following indicators can be displayed during operation depending on the configuration The display variants of the blue LED reagent notes...

Страница 48: ...e relay 1 position can however be deleted by pressing the Reset button in this case the relay drops out but the red LED A remains flashing The relay 1 position can be seen on the LED combination of LE...

Страница 49: ...be sufficient for unattended operation in the set analysis interval BoB over 72 hours Relay 2 Device fault reagent message BoB has dropped out To acknowledge the BoB alarm press the Reset button LED...

Страница 50: ...value LED A flashing red and at the same time device malfunction LED D flashing red Signals that the preset limit value has been exceeded and that relay 1 is energised Relay 1 Limit value is energised...

Страница 51: ...00 The following LEDs light up green yellow blue red Immediately after resetting the reagent counter Up to 10 000 analyses are possible 100 75 The LEDs light up red yellow blue red More than 7500 anal...

Страница 52: ...the maintenance of the treatment plant or during a break in operation Before servicing switch off the unit by pressing the mains switch or disconnecting the supply voltage Depending on the wiring some...

Страница 53: ...press and hold the Reagent button for 10 seconds to pump reagent from the newly inserted bottle into the measuring chamber and to press the air bubbles out of the tube The reagent bottle is not inclu...

Страница 54: ...o 4x screws A2 M4 x 65 o 3x measuring chamber components o 1x plastic tube transparent o 2x O rings 24 x 2 5 o 2x inlet outlet screw connection o 2x O rings 9 x 1 6 o 1x injector o 1x O ring 5 28 x 1...

Страница 55: ...measuring accuracy of the LIMES analyser the peristaltic pump cassette should be replaced after 24 months Press the locking tabs together with your thumb and index finger and pull the hose pump casse...

Страница 56: ...valve you relax the supply line and the measuring chamber empties Hold a small container under the inlet and outlet Switch the unit off again Only when replacing the filter or pressure regulator Loos...

Страница 57: ...d hold the Valve button until clear water flows out of the drain hose Observe the electrical connection according to the illustration on page 22 Exchange of the measuring chamber Preparation Ensure a...

Страница 58: ...the main board Pull the hose pump cassette off the motor shaft Loosen the two screws on the front of the unit Replace the peristaltic pump motor Connect the new peristaltic pump motor according to th...

Страница 59: ...e front cover open and the rubber cap removed All buttons and switches are operated When running the diagnostic programme please note the following Depending on the wiring the cables of relays 1 and 2...

Страница 60: ...After switching on the unit diagnostic step 1 begins The LEDs light up one after the other Limit value undercut Exceeding the limit value Analysis active Lack of reagent Device fault Checking the but...

Страница 61: ...F again one after the other each of the programme switches SW1 SW3 is assigned a combination of LED displays SW4 is not checked as it is already ON for diagnosis SW1 SW2 SW3 Checking the rotary switch...

Страница 62: ...the connection cables with a continuity tester or a voltmeter depending on the wiring Checking the solenoid valve After pressing the Start key for the 6th time the solenoid valve is tested The yellow...

Страница 63: ...lowing colour detection test After pressing the Start key for the 11th time the zero value of the optical path is measured with a colourless water sample The last 3 LEDs flash For testing the measurin...

Страница 64: ...hardness because an undefined amount of reagent is dosed The Valve button can be used to flush the reagent out of the measuring chamber Exit diagnostic program After checking the unit functions switch...

Страница 65: ...Safety reliably produced RLS Wacon analytics GmbH 49 0 5121 28126 0 info rls wacon de Subject to change without notice 65 Spare parts Illustration 22 Spare parts LIMES...

Страница 66: ...nch 30 035 201 I Measuring chamber cpl LIMES 30 035 104 J Screw in connection 1 4 inch LIMES incl O ring 2x 30 055 203 K Measuring chamber tube LIMES incl O rings 30 055 204 L LIMES injector including...

Страница 67: ...offered for this purpose It contains all the tools needed for cleaning as well as the cleaning fluid FIT 3000 For information on how to perform maintenance see from page 52 Article description Articl...

Страница 68: ...035 205 LIMES connection set Contains the following items Reducing nipple Stainless steel 1 4408 V4A 1 2 inch to 1 4 inch Conical external thread Socket ball valve stainless steel 1 4408 V4A with 1 4...

Страница 69: ...32 074 135 32 474 135 LHV 0 5 0 5 9 0 9 32 074 165 32 474 165 LHV 3 3 0 53 5 3 32 074 195 32 474 195 LHV 7 7 0 125 12 5 32 074 210 32 474 210 One bottle of reagent is sufficient for approx 10 000 limi...

Страница 70: ...ed and connected Error in the zero sample Cause Measure There is no sample water in the measuring chamber Check the water inlet The reagent is not resolved Check whether there is an agitator blade in...

Страница 71: ...Safety reliably produced RLS Wacon analytics GmbH 49 0 5121 28126 0 info rls wacon de Subject to change without notice 71 Notes...

Страница 72: ...Safety reliably produced RLS Wacon analytics GmbH 49 0 5121 28126 0 info rls wacon de Subject to change without notice 72 Appendix Maintenance and service Date Employees Comment Model Serial number...

Страница 73: ...in SW3 Input contact Off On SW4 Diagnostic mode Off On Position Rotary switch flushing time 0 1 2 3 4 5 6 7 8 9 A B C D E F 5 10 20 50 90 2 4 8 10 12 14 16 18 20 25 30 Sec Sec Sec Sec Sec Min Min Min...

Страница 74: ...Safety reliably produced RLS Wacon analytics GmbH 49 0 5121 28126 0 info rls wacon de Subject to change without notice 74 EU Declaration of Conformity...

Страница 75: ...Gropiusstr 12 D 31137 Hildesheim Phone 49 0 5121 28126 0 Fax 49 0 5121 28126 20 info rls wacon de www rls wacon de Managing Directors Dr Claudia Rudolph Dr Sascha Matern Register court Hildesheim Loc...

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