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LRR 1-50, LRR 1-51 - USA - Installation & Operating Manual -

850702-01

Types of warning

DANGER

DANGER

Warning of a dangerous situation that results in death or serious injury.

WARNING

Warning of a dangerous situation that may possibly result in death or serious injury.

CAUTION

CAUTION

Warning of a situation that may result in minor or moderate injury.

ATTENTION

ATTENTION

Warning of a situation that results in damage to property or the environment.

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Содержание LRR 1-50

Страница 1: ...Original Installation Operating Manual 850702 01 Conductivity Controller LRR 1 50 LRR 1 51 EN USA English ...

Страница 2: ...nts and dimensions of the LRR 1 50 LRR 1 51 15 Preparing for installation 16 Installing the LRR 1 50 LRR 1 51 conductivity controller 17 In the control cabinet Electrically connecting the conductivity controller 18 Wiring diagram of the LRR 1 50 conductivity controller 18 Wiring diagram of the LRR 1 51 conductivity controller 19 Connecting the supply voltage 20 Connecting the output contacts 20 Co...

Страница 3: ...ntroller LRR 1 50 Setting switchpoints and parameters 27 Conductivity controller LRR 1 51 Setting switchpoints and parameters 29 Operation alarm and test 30 Conductivity controller LRR 1 50 LRR 1 51 Checking indications and the function of the MAX output contact 30 Password protection 31 Fault indications and troubleshooting 32 Indications diagnosis and corrective action 32 Important notes 33 Acti...

Страница 4: ...ion Operating Manuals on our website http www gestra com Copyright All rights reserved Any misuse particularly reproduction and dissemination to third parties is not permitted The General Terms Conditions of GESTRA AG apply Scope of supply product package LRR 1 50 1 conductivity controller LRR 1 50 1 adhesive sign for ppm 1 Installation Operating Manual LRR 1 51 1 conductivity controller LRR 1 51 ...

Страница 5: ...ow all instructions Please also read the instructions for use of any accessories The Installation Operating Manual is part of the product package Keep it in an easily acces sible location Availability of this Installation Operating Manual Make sure this Installation Operating Manual is always available to the operator If you pass on or sell the equipment to a third party please also hand over the ...

Страница 6: ...ituation that results in death or serious injury WARNING Warning of a dangerous situation that may possibly result in death or serious injury CAUTION CAUTION Warning of a situation that may result in minor or moderate injury ATTENTION ATTENTION Warning of a situation that results in damage to property or the environment ...

Страница 7: ...s also use ppm parts per million as the unit of measurement Conversion 1 µS cm 0 5 ppm Operating position of the continuous blowdown valve It is common practice to use the continuous blowdown valve to remove a certain amount of water from the boiler in order to keep the TDS within the desired limits This means that the valve must always be slightly open during operation so that this quantity of wa...

Страница 8: ...tinuous blowdown valve When used as intended conductivity controllers can be combined in a circuit with the following conductivity electrodes or transmitters LRR 1 50 conductivity controller with LRG 16 4 and LRG 16 9 conductivity electrodes LRR 1 51 conductivity controller with LRGT 16 3 LRGT 16 4 and LRGT 17 3 conductivity transmitters Improper use There is a danger of death due to explosion if ...

Страница 9: ...escribed on this page it may be faulty Perform failure analysis Only replace faulty equipment with identical equipment from GESTRA AG Required personnel qualifications Activity Personnel Integration in control system Specialist staff Plant designer Installation electrical connection bringing into service Specialist staff Electrician installer Operation Boiler service technician Staff trained by th...

Страница 10: ...ontinuous blowdown valve moves to the OPEN position when the set point is reached Once the conductivity has fallen by the set hysteresis the valve returns to the OPERATING position provided that the operating position is enabled To prevent any loss of water from the boiler the controller auto matically closes the valve when the boiler is shut down Two flashing LEDs indicate whether the continuous ...

Страница 11: ...s 1 4 digit 7 segment LED display 1 red LED for MAX alarm 2 yellow LEDs for continuous blowdown valve opening closing 1 4 pole code switch for configuration Terminal box Terminal box material base of black polycarbonate front of gray polycarbonate Wire size 1 x AWG12 4 0 mm2 solid or 1 x AWG14 2 5 mm2 stranded with sleeve acc to DIN 46228 or 2 x AWG16 1 5 mm2 stranded with sleeve acc to DIN 46228 ...

Страница 12: ... 51 only Connecting a conductivity transmitter 1 analog input 4 20 mA e g for the LRGT 1 conductivity transmitter 2 pole with shield Lower end of measuring range SinL 0 0 25 25 50 ppm 0 0 5 50 100 µS cm adjustable Upper end of measuring range SinH 10 50 100 250 500 1000 1500 2500 3000 3500 5000 6000 ppm 20 100 200 500 1000 2000 3000 5000 6000 7000 10000 12000 μS cm adjustable LRR 1 50 LRR 1 51 Amb...

Страница 13: ...time Sd 3 min valve opens for 3 min and closes for 3 min n Damping FiLt oFF n Password PW oFF n Code switch c S1 OFF S2 ON S3 OFF S4 OFF Conductivity controller LRR 1 51 n MAX switchpoint AL Hi 3000 ppm 6000 µS cm n Set point SP 1500 ppm 3000 µS cm n Dead band 5 of set point n Reset hysteresis Set point 10 of set point MAX limit 3 fixed setting n Lower end of measuring range Sin L 0 25 ppm 0 5 µS ...

Страница 14: ...dentification Rating plate of the LRR 1 50 LRR 1 51 top Safety information Output contacts Ambient temperature Type designation Manufacturer Fig 1 External fuse for output contacts Rating plate of the LRR 1 50 bottom Supply voltage Fuse provided by customer Power consumption Disposal information Connection for conductivity electrode Measuring range Connection for actual value manipulated variable ...

Страница 15: ...ing Manual 850702 01 Functional elements and dimensions of the LRR 1 50 LRR 1 51 Fig 2 1 Upper terminal strip 2 Lower terminal strip Key 3 Terminal box 4 Support rail TH 35 EN 60715 4 3 1 2 1 81 in 46 mm 2 91 in 74 mm 4 72 in 120 mm 0 6 in 15 mm ...

Страница 16: ...chnical data siehe Seite 12 Do not operate the equipment if the temperature is below freezing At temperatures below freezing use a suitable heat source e g control cabinet heater etc Connect all parts of the plant to a central grounding point to prevent equalizing currents Use UV resistant cable ducts for routing the connecting cable Take further measures to protect the equipment from lightning in...

Страница 17: ...Fig 2 4 DANGER DANGER There is a risk of electric shock during work on electrical systems Switch off the voltage to the plant before you install the equipment Check that the plant is not carrying live voltage before commencing work 1 Switch off the voltage to the plant and secure any surrounding equipment in the control cabinet that is live so it cannot be touched 2 Carefully press the unit onto t...

Страница 18: ...le 7 Conductivity electrode LRG 16 4 terminal 6 7 a resistance thermometer can be connected 8 Central grounding point CGP in control cabinet Key 9 Conductivity electrode LRG 16 9 with integrated resistance thermometer 0 MAX output contact a Supply voltage L2 b Supply voltage N OPERATING OPEN CLOSED Actuator EF M0 5A medium time lag M0 5A medium time lag 5 8 b 7 6 8 9 5 a 0 When the burner and ther...

Страница 19: ... Actual value manipulated variable output 4 20 mA switch selectable 7 Conductivity transmitter LRGT 1 4 20 mA with grounding point 8 Central grounding point CGP in control cabinet Key 0 MAX output contact a Supply voltage L2 b Supply voltage N OPERATING OPEN CLOSED Actuator EF M0 5A medium time lag 8 b 5 7 6 a 0 Fig 4 When the burner and therefore the supply voltage to the controller is switched o...

Страница 20: ...inductive loads are switched off voltage spikes are produced that may have a major ad verse effect on the operation of control and measuring systems Connected inductive loads must therefore have interference suppression RC combination as specified by the manufacturer If used as a conductivity limiter the LRR 1 50 LRR 1 51 conductivity controller does not interlock automatically when the MAX limit ...

Страница 21: ... core TC ER control cable with minimum wire size AWG18 e g OELFLEX CONTROL TM CY 5G1 for connection Max length 328 ft 100 m Please note the maximum output load of 500 ohms Connect the terminal strip as shown in the wiring diagram Figs 3 4 Connect the shield just once to the central grounding point CGP in the control cabinet Route the connecting cable between items of equipment separately from powe...

Страница 22: ...signment A pre wired control cable with connector and socket is available in various lengths as an accessory for connecting the equipment This control cable is not UV resistant and must be protected with a UV resistant plastic tube or cable duct if installation is outdoors For connection to the LRR 1 50 conductivity controller please remove the connector and wire the terminal strip as shown in the...

Страница 23: ...instead Conversion 1μS cm 0 5 ppm Set the desired unit using code switch c This setting will then apply to all conductivity readings and set values If you set the equipment to ppm please stick the supplied adhesive sign over the unit on the terminal box To change the setting proceed as follows n Insert a screwdriver between the terminal strip and the front frame at the arrow markings on the right ...

Страница 24: ...RR 1 51 Code switch S1 S2 S3 S4 Configuration OFF Reserve factory setting ON Reserve OFF Reserve ON Reserve factory setting OFF Terminal 3 4 Out 2 as actual value output X factory setting ON Terminal 3 4 Out 2 as manipulated variable output Yw OFF Electrical conductivity measured in µS cm factory setting ON Electrical conductivity measured in ppm Controller software version 311178 13 or later Chan...

Страница 25: ... 50 only E 005 Error Faulty measured value acquisition reading too low E 006 Error Faulty measured value acquisition reading too high LRR 1 50 only CAL Electrode calibration Electrode calibration last reading is shown CF Correction factor Adjustable from 0 05 to 5 000 in increments of 0 001 inP Input for Pt100 Temperature compensation YES no tC Temperature coefficient tC 0 0 3 0 per C adjustable i...

Страница 26: ...wise increases the value turning counterclockwise reduces the value Briefly press the push but ton The digit increases with each press 2nd 3rd or 4th digit flashes from right to left 2nd 3rd or 4th digit can now be changed using the rotary knob Turning clockwise increases the value turning counterclockwise reduces the value If you take no further action quit is briefly displayed After this the dis...

Страница 27: ...es for deviations during operation Conductivity electrode LRG 16 9 Switching on temperature compensation Select setting inP and turn the rotary knob clockwise YES appears Save the setting Setting the temperature coefficient Select temperature coefficient tC enter and save the desired percentage Once service temperature is reached measure the con ductivity of a water sample at 77 F 25 C Change the ...

Страница 28: ...ress the push button The second digit from the right flashes xxXx You can enter the second digit Repeat the last two steps until you have entered the conductivity in full The entered conductivity xxxx is shown Enter the conductivity in full quit Timeout The system returns to parameter settings Entry has been discontinued due to a lack of activity Press and hold the push button on rotary knob donE ...

Страница 29: ...save the desired conductivity Lower end of measuring range is set in stages 0 0 0 25 25 50 ppm 0 0 0 5 50 100 µS cm Select parameter Sin H enter and save the desired conductivity Upper end of measuring range is set in stages 10 50 100 250 500 1000 1500 2500 3000 3500 5000 6000 ppm 20 100 200 500 1000 2000 3000 5000 6000 7000 10000 12000 μS cm Setting the actual value output current output standard...

Страница 30: ...l value is displayed automatically Note The continuous blowdown valve has three limit switches for the CLOSED OPEN and OPERATING positions In OPERATING position the continuous blowdown valve is slightly open This enables a certain blowdown volume to be removed from the boil er to keep the TDS below the limit The blowdown volume is established using the capacity charts of the continuous blowdown va...

Страница 31: ...0X You can enter the second digit Repeat the last two steps until the password has been entered in full The entered password XXXX is shown Enter the password in full Press and hold the push button donE The correct password has been entered The parameter can be edited FAiL The wrong password has been entered The parameter is still password protected quit Timeout The system returns to parameter sett...

Страница 32: ...ace if necessary Check electrical connection Faulty conductivity transmitter measuring current 4 mA Check conductivity transmitter and replace if neces sary Check electrical connection E 006 Faulty conductivity electrode reading too high Check conductivity electrode and replace if necessary Check electrical connection Check boiler water Faulty conductivity transmitter measuring current 20 mA Check...

Страница 33: ... Provide inductive loads with RC combinations as specified by the manufacturer n Route the connecting cable to the conductivity electrode or conductivity transmitter sepa rately from power lines n Increase the distance from sources of interference n Check that the shield is correctly connected Check the shield of items of equipment with the aid of the Installation Operating Manuals If equalizing c...

Страница 34: ...upper and lower terminal strips Fig 7 n Insert a screwdriver between the terminal strip and the front frame at the arrow markings on the right and left n Release the terminal strip on the right and left by turning the screwdriver in the direction of the arrow n Detach the terminal strip n Release the white slider holder at the bottom of the unit and detach the unit from the support rail Fig 7 ...

Страница 35: ...certificates for details on the conformity of our equipment and the applicable standards and directives You can download the Declaration of Conformity online at www gestra com or request certificates from the following address GESTRA AG Münchener Straße 77 28215 Bremen Germany Tel 49 421 3503 0 Fax 49 421 3503 393 e mail info de gestra com Web www gestra com Modifications to the equipment not appr...

Страница 36: ...54 01 GESTRA AG Bremen GESTRA AG Münchener Straße 77 28215 Bremen Germany Tel 49 421 3503 0 Fax 49 421 3503 393 e mail info de gestra com Web www gestra com You can find our authorized agents around the world at www gestra com ...

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