GESTRA LRR 1-52 Installation Instructions Manual Download Page 1

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Conductivity Controller LRR 1-52
Conductivity Controller LRR 1-53
Operating & Display Unit URB 50

LRR 1-52

LRR 1-53

URB 50

Original Installation Instructions

819225-03

Summary of Contents for LRR 1-52

Page 1: ...1 E N English Conductivity Controller LRR 1 52 Conductivity Controller LRR 1 53 Operating Display Unit URB 50 LRR 1 52 LRR 1 53 URB 50 Original Installation Instructions 819225 03 ...

Page 2: ...rer 9 Technical data LRR 1 52 LRR 1 53 10 Only LRR 1 52 11 Only LRR 1 53 11 LRR 1 52 LRR 1 53 11 URB 50 12 Scope of supply 12 In control cabinet Installing the conductivity controller Dimensions LRR 1 52 LRR 1 53 13 Key 13 Installation in control cabinet 13 Name plate marking 14 In control cabinet Installing the operating display unit Dimensions URB 50 15 Key 15 Installation in control cabinet 15 ...

Page 3: ...ransmitter LRGT 1 20 Connection of data line for the conductivity controller operating display unit 20 Connecting the potentiometer for indication of valve positions connections IN OUT 4 20 mA 20 In the plant Wiring the conductivity electrode transmitter Connecting conductivity electrode LRG 12 2 LRG 16 4 LRG 17 1 and LRG 19 1 resistance thermome ter TRG 5 21 Connection of conductivity electrode L...

Page 4: ...us blowdown valve Calibrating the potentiometer for indication of valve position 33 Key 33 Automatic intermittent blowdown 34 Operation Manual actuation of continuous blowdown valve 35 Stand by operation 35 Key 35 Trending 36 Key 36 Testing MIN MAX alarm entering date and time 37 Setting up a password and logging in 38 Key 38 Setting up a password and logging in 39 Log out 39 Alarm list 40 Key 40 ...

Page 5: ...dically by means of a blowdown valve and fresh make up water must be added to the boiler feed to compensate for the water lost through blowdown Electrical conductivity here as a result of the TDS content of boiler water is measured in microSie mens cm μS cm However in some countries ppm parts per million is used for conductivity read ings Conversion 1µS cm 0 5 ppm Intermittent boiler blowdown bott...

Page 6: ...e from getting stuck the valve can be rinsed automatically At regular intervals purging interval Ti the continuous blowdown valve is motored into the open po sition and rinsed purging time Sd After purging the valves is motored back into the required control position Stand by operation conductivity control To avoid loss of water the continuous blowdown control and the programme controlled intermit...

Page 7: ...d continuous blow down valve X X Indication of MAX conductivity limit conductivity limiter X X Indication of MIN conductivity limit or control of intermittent blowdown valve X X Indication of valve position if continuous blowdown valve is provided with a potentiometer X X Actual value output 4 20 mA X X Operating display unit URB 50 Indication of actual value indicated in percent and as bar graph ...

Page 8: ...uipment before mounting removing or connecting the terminal strips Attention The name plate specifies the technical features of the equipment Note that any piece of equipment without its specific name plate must neither be commissioned nor operated The conductivity electrodes LRG 12 2 LRG 16 4 LRG 16 9 LRG 17 1 and LRG 19 1 are simple items of electrical equipment as specified in EN 60079 11 secti...

Page 9: ...proval The equipment meets the requirements of Directives UL 508 and CSA C22 2 No 14 13 Standards for Industrial Control Equipment File E243189 EU Pressure Equipment Directive 2014 68 EU The conductivity control monitoring equipment LRG 1 LRGT 1 LRR 1 5 meets the safe ty requirements of the Pressure Equipment Directive PED The conductivity control monitoring equipment is EU type approved according...

Page 10: ...ree change over contact 8 A 250 V AC 30 V DC cos ϕ 1 intermittent blowdown valve Provide inductive loads with RC combinations according to manufacturer s specification to ensure interference suppression 1 analog output 4 20 mA max load 500 ohm actual value Indicators and adjustors 1 tri colour LED indicator start up amber power ON green malfunction red 1 code switch with four poles for configurati...

Page 11: ... range 0 5 20 100 200 500 1000 2000 6000 12000 μS cm adjustable 100 3000 5000 7000 10000 μS cm adjustable LRR 1 52 LRR 1 53 Ambient temperature when system is switched on 0 55 C during operation 10 55 C Transport temperature 20 80 C 100 hours defrosting time of the de energized equipment before it can be put into operation 24 hours Storage temperature 20 70 C defrosting time of the de energized eq...

Page 12: ...529 Weight approx 1 0 kg Ambient temperature when system is switched on 0 55 C during operation 10 55 C Transport temperature 20 80 C 100 hours defrosting time of the de energized equipment before it can be put into operation 24 hours Storage temperature 20 70 C defrosting time of the de energized equipment before it can be put into operation 24 hours Relative humidity 5 85 no moisture condensatio...

Page 13: ... 53 Fig 1 1 Upper terminal strip 2 Lower terminal strip Key Installation in control cabinet The conductivity controller LRR 1 52 LRR 1 53 is clipped onto the support rail type TH 35 EN 60715 in the control cabinet Fig 1 4 3 Housing 4 Supporting rail type TH 35 EN 60715 4 3 1 2 100 74 120 ...

Page 14: ...tacts Connection for conductivity electrode Safety note Disposal note Type approval no Manufacturer Name plate LRR 1 53 Type designation Fuse provided on site Supply voltage Power consumption Protection External fuse for output contacts Connection for conductivity transmitter Safety note Disposal note Type approval no Manufacturer Serial number Serial number Ambient temperature Measuring range Amb...

Page 15: ...Provide a control panel cut out with the dimensions indicated in Fig 3 and 4 n Insert the operating display unit into the control panel cut out Make sure the gasket 6 is properly seated n Insert and fasten the screws Fig 5 until the edges of the frame are flush with the panel of the control cabinet Name plate marking 136 Type designation Disposal note Manufacturer Safety note Ambient temperature F...

Page 16: ...16 In control cabinet Wiring the conductivity controller Wiring diagram for conductivity controller LRR 1 52 Fig 7 g i 8 8 8 8 9 0 a M 0 5 A semi delay b c d e f i MIN MAX CLOSED OPEN j i 0 ...

Page 17: ...A semi delay provided on site c Actual value output 4 20 mA d Indication of valve position potentiometer 0 1000 Ω Key e Data line for operating display unit URB 50 f Conductivity electrode LRG 1 Terminal 13 14 A resistance thermometer can be connected g Conductivity electrode LRG 16 9 with integrated resistance thermometer h Conductivity transmitter LRGT 1 4 20 mA with earthing point i Central ear...

Page 18: ... voltage Pin assignment for data line LRR 1 52 LRR 1 53 URB 50 PIN 2 Data_L PIN 7 Data_H k D SUB connector with 9 poles for data line l Connector with 3 poles for supply voltage connection 24 V DC m Connection for supply voltage 24 V DC pin assignment Key Fig 9 Fig 11 k l k CEP Fig 10 24V L Common M 1 2 3 L M m L L l ...

Page 19: ...27 according to the desired switching functions Provide an external slow blow fuse 2 5 A for the output contacts When switching off inductive loads voltage spikes are produced that may impair the operation of control and measuring systems Connected inductive loads must be provided with suppressors such as RC combinations as specified by the manufacturer When used as conductivity limiter the conduc...

Page 20: ...entioned control cable assembly use screened multi core control cable e g LiYCY 2 x 0 25 mm2 min conductor size 0 25 mm2 max length 30 m for connecting the equipment Wire the terminal strips according to the wiring diagram Fig 7 8 Wire the 9 pole D SUB connector according to Fig 11 Connect the earthing point of the housing URB 50 to the central earthing point in the control cabinet Connect the scr...

Page 21: ...am Fig 7 Connect the screen only once to the central earthing point CEP in the control cabinet If you do not use the prefabricated control cable assembly use screened five core control cable e g LiYCY 5 x 0 5 mm2 for connecting the equipment In addition connect at the electrode end a screened female connector to the control cable Max cable length between conductivity electrode and controller 30 m ...

Page 22: ...val Ti 24 h n Duration of intermittent blowdown T 3 s n Repetition rate 1 n Pulse interval Tp 2 s n Code switch n S 1 OFF S 2 ON S 3 OFF S 4 OFF Conductivity controller LRR 1 53 n Measuring range 0 5 to 6000 μS cm n MAX switchpoint 6000 μS cm n MIN switchpoint 500 μS cm n Reset hysteresis MAX limit 3 fixed n Setpoint SP 3000 μS cm n Proportional band Pb 20 of the setpoint n Integral time Ti 0 s n ...

Page 23: ...ity controller Changing factory settings The input and the function are determined by the code switch n setting To change the code switch setting proceed as follows n Cut off supply voltage n Lower terminal strip Unscrew the left and right fixing screws Fig 7 8 n Remove terminal strip After the new code switch settings have been established as new defaults n Attach lower terminal strip and fasten ...

Page 24: ...iver size 3 5 x 100 mm completely insulated according to VDE 0680 1 n Screwdriver size 2 x 100 mm completely insulated according to VDE 0680 1 Code switch n Conductivity controller LRR 1 52 LRR 1 53 S 1 S 4 Output contacts 16 17 18 set as MIN output contacts OFF Output contacts 16 17 18 set for actuating an intermittent blowdown valve ON Electrical conductivity measured in µS cm OFF Electrical con...

Page 25: ...ot make an entry the system automatically returns to the start window after approx 5 minutes time out Important notes Key Switch on the supply voltage for the conductivity controller LRR 1 5 and for the operating display unit URB 50 The LED of the conductivity controller first turns amber and then green The operating display unit shows the start window Switch on supply voltage o Status bar p Displ...

Page 26: ... adjustable between 0 05 and 5 000 in increments of 0 001 Go to parameter setting window for continuous blowdown valve Calibration of valve OPEN indication of valve position via potentiometer Calibration of valve CLOSED indicati on of valve position via potentiometer Activate purging pulse for continuous blowdown valve Purging pulse for continuous blow down valve adjustable between 0 and 24 hrs in...

Page 27: ...able between 1 10 sec in steps of 1 sec Toggle command Intermittent boiler blowdown internal external Password protected Activate internal intermittent blow down Activate external intermittent blowdown Go to trend log window Move trend log window 1 hr forward Move trend log window 1 hr backwards Zoom out trend log curve increases time Get information Zoom in trend log curve decreases time Log in L...

Page 28: ...anation of icons continued Icon Description Icon Description Alarm message Go to alarm list Go to alarm list Alarm message received Alarm message gone Go to first line in alarm list Scroll down alarm list Go to next active alarm Scroll up alarm list ...

Page 29: ...ppears To confirm your data input press the Enter key The start window re appears again r Bar showing the old value and the limit range s Status indication here automatic operating mode t Continuous blowdown valve motored to OPEN position Key u Conductivity reading in µS cm v Bar chart indication of manipulated variable Y in relative to valve lift of continuous blowdown valve Commissioning procedu...

Page 30: ...on to open the parameter setting window for the conductivity electrode Conductivity controller LRR 1 52 Setting the measuring range correction factor and temperature compensation Screen display 3 For conductivity electrode LRG 1 To establish the measuring range w and the correction factor C LRG x press the green button Use the on screen numberpad to enter the desired value Correction factor C LRG ...

Page 31: ...tton for your required measuring range Please take the conductivity transmitter setting into consideration This setting is decisive Conductivity controller LRR 1 53 Setting measuring range Note that the conductivity transmitter LRGT 1 must be put into operation first Refer to the installation operating manual for LRGT 16 1 LRGT 16 2 LRGT 17 1 Note Press button to go back to the start window ...

Page 32: ...20 of setpoint 600 µS cm With a measuring range of 0 6000 µS cm and a setpoint of 3000 µS cm the proportional band will be 600 µS cm within a range of 2400 to 3600 µS cm Integral time ti larger slow correction of deviations responds slowly smaller fast correction of deviations control system may tend to overshoot responds quickly Neutral zone dead band C larger time delayed correction of deviation...

Page 33: ...e started or as soon as the previous purging pulse is over If you do not want the continuous blowdown valve to be purged automatically deactivate the purging pulse by pressing the key Press button to go back to the start window Screen display 8 Switch back to automatic operating mode and scroll back Press button to open the parameter setting window for the continuous blowdown valve Press button to...

Page 34: ...er the desired time setting The new time settings are accepted after the system is re started or as soon as the previous intermittent blowdown interval is over Commissioning continued Press button for external control of the intermittent blowdown valve G H I J Screen display 11 The toggle command internal external is not available when you are logged out Instead of button the field appears LRR 1 5...

Page 35: ...ad Switch back to automatic operation Stand by operation If 24 VDC is present across the stand by input automatic control is deactivated the continuous blowdown valve is motored into the CLOSED position and intermittent boiler blowdown is switched off Screen display 13 appears During stand by operation the MIN MAX limits and the monitoring function remain active After the equipment switches back t...

Page 36: ...onductivity reading blue curve Position of control valve grey curve Setpoint purple curve Alarm message red curves L Test button for MIN alarm M Test button for MAX alarm K LRR 1 5 Press button to move 1 hour back in the trend log window to zoom out of trend curve magnification decreases to zoom in on the trend curve magnification increases to move 1 hour forward in the trend log window ...

Page 37: ...respective con tact icon turns red Testing MAX alarm Press and hold down button M for at least 3 sec After the de energizing delay the out put contact 26 27 opens and the respective contact icon turns red Press button to open the time date window Press button to go back to screen display 15 Screen display 16 Press the green button and use the on screen numberpad to enter the day month year and hou...

Page 38: ... the green button and use the on screen numberpad to enter 0 during first commis sioning Press button to confirm the password input Screen display 20 appears To allocate a password press button The following button s appear s Press again button Screen display 18 appears Screen display 18 Press the key Screen display 19 appears N Log out symbol in status bar Key Screen display 17 N LRR 1 5 LRR 1 5 ...

Page 39: ...reen numberpad to enter your new password twice Press button to confirm the password and go back to screen display 20 Press button to go back to screen display 20 Log out After having changed the parameters and settings you can log out again To log out press button The following button s appear s Press again button Screen display 18 appears Screen display 18 Press button to go back to the start wi...

Page 40: ... alarm message Press the button with the warning triangle O to view the alarm list Screen display 23 Press button to go back to the start window O LRR 1 5 LRR 1 5 The active alarm or malfunction is highlighted in red Press button to call up the next active message to scroll forward in the alarm list also possible by means of hand slider to go to the first line to go back to the start window O LRR ...

Page 41: ...switchpoint E 005 Conductivity electrode defective measuring voltage 0 5 VDC Check conductivity electrode and if necessary replace it Check electrical connection Conductivity transmitter defective measuring current 4 mA Check conductivity transmitter and if necessary replace it Check electrical connection E 006 Conductivity electrode defective measuring voltage 7 VDC Check conductivity electrode a...

Page 42: ... g in outdoor installations connect screen only at one end n HF interference suppression by means of hinged shell ferrite rings Further Notes If faults occur that are not listed above or cannot be corrected please contact our service centre or authorized agency in your country Fig 12 n Switch off supply voltage and cut off power supply to the equipment n Remove the lower and upper terminal strips ...

Page 43: ...43 For your Notes ...

Page 44: ...08891 03 GESTRA AG Bremen Printed in Germany GESTRA AG Münchener Straße 77 28215 Bremen Germany Telefon 49 421 3503 0 Telefax 49 421 3503 393 E mail info de gestra com Web www gestra de Agencies all over the world www gestra de ...

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