GESTRA LRR 1-60 Original Installation & Operating Manual Download Page 27

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LRR 1-60 - Installation & Operating Manual -

819692-00

System malfunctions

Indication of system malfunctions

Indication of malfunctions in the conductivity controller LRR 1-60 (MIN relay configured as MIN alarm)

Type of fault/malfunction

Relay

LED

MIN

MAX

CLOSED

OPEN

Breakdown in CAN bus communication
Electrode failure

De-energised

De-ener-

gised

Energised

De-ener-

gised

Red

Interruption to power supply

De-energised

De-ener-

gised

De-ener-

gised

De-ener-

gised

Off

Indication of malfunctions in the LRR 1-60 conductivity controller (MIN relay configured for automatic inter-
mittent blowdown)

Type of fault/malfunction

Relay

LED

MIN

MAX

CLOSED

OPEN

Breakdown in CAN bus communication
Electrode failure

Automatic inter-

mittent

blowdown running

De-ener-

gised

Energised

De-ener-

gised

Red

Interruption to power supply

De-energised

De-ener-

gised

De-ener-

gised

De-ener-

gised

Off

Multicolour LED (orange/green/red),

orange = power up/green = running/red = malfunction

Fig. 10

Summary of Contents for LRR 1-60

Page 1: ...Original Installation Operating Manual E N English Conductivity Controller LRR 1 60 819692 00 ...

Page 2: ...quipment 12 Technical data 13 Name plate Identification LRR 1 60 15 Factory settings 16 Functional elements and dimensions 17 Installing the LRR 1 60 conductivity controller 18 Electrical connection safety notes 18 Wiring diagram of LRR 1 60 conductivity controller 19 Electrical connection 20 Bus line cable length and cross section 20 Connecting the 24V DC power supply 20 Connecting the MIN MAX CL...

Page 3: ...n the URB 60 24 The MIN relay is configured for automatic intermittent blowdown on the URB 60 25 Behaviour in the event of a malfunction 25 System malfunctions 26 Causes 26 Check the installation and configuration before systematic troubleshooting 26 Indication of system malfunctions 27 What to do in the event of system malfunctions 28 Taking out of service 28 Disposal 28 Returning decontaminated ...

Page 4: ...B 60 Visual Display and Operating Unit You can find the latest Installation Operating Manuals on our website http www gestra com documents brochures html Copyright All rights reserved Any misuse particularly reproduction and dissemination to third parties is not permit ted The General Terms Conditions of GESTRA AG apply Scope of delivery Product package 1 x Conductivity Controller LRR 1 60 1 x Ins...

Page 5: ...uctions Please also read the instructions for use of any accessories The Installation Operating Manual is part of the equipment package Keep it in an easily accessible 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 Installatio...

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

Page 7: ...ntermittent blowdown pulses can be set between 1 and 200 h intermittent blowdown interval The duration of intermittent blowdown can be set between 1 and 10 s For large boilers repeated intermittent blowdown pulses may be required Repetition can be set between 1 and 10 with an interval from 1 10 seconds pulse interval Flushing the continuous blowdown valve The continuous blowdown valve can be flush...

Page 8: ...LRG SRL GESTRA equipment and type designations see page 9 PhotoMOS output PhotoMOS are a special kind of semiconductor relay which use a light emitting diode on the input side that is optically coupled to an output transistor This type of electrically non conductive connection makes sure the input and output circuits are electrically isolated from each other PI controller Controller with proportio...

Page 9: ... and visual display The equipment is configured and operated and information is viewed via the URB 60 visual display and operating unit Overview of possible unit combinations Conductivity controller Conductivity electrode Visual display and operating unit LRR 1 60 LRG 16 60 LRG 16 61 LRG 17 60 URB 60 Fig 1 Key to Fig 1 LRR conductivity controller LRG conductivity electrode URB visual display and o...

Page 10: ...e 2014 30 EU EMC Directive Directive 2011 65 EU RoHS Directive Standards DIN EN 60730 1 Automatic electrical controls Part 1 General requirements EN 61326 1 Electrical equipment for measurement control and laboratory use EMC requirements Standards documents VdTÜV Bulletin BP WÜ 0100 RL Requirements for the testing of monitoring equipment Improper use There is a danger of death due to explosion if ...

Page 11: ...to 26 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 the plant operator...

Page 12: ...ivity is reached the appropriate output contact is opened Possible combinations of functions and equipment Combining the LRR 1 60 conductivity controller with the conductivity electrodes and the URB 60 visual display and operating unit provides the following functions Conductivity controller LRR 1 60 Function Evaluation of CAN bus data telegrams from connected LRG 16 60 LRG 16 61 or LRG 17 60 cond...

Page 13: ...on RC combination as per the manufacturer s specification Contact material AgNi0 15 AgSnO2 Analogue output 1 x actual value output 4 20 mA e g for an actual value display Max load resistance 500 W Inductive loads must have interference suppression RC combination as per the manufacturer s specification Technical data Supply voltage 24 V DC 20 Power consumption max 5 VA Current input max 0 3 A Requi...

Page 14: ...ing IP 54 fully insulat ed Admissible ambient conditions Service temperature 10 C 55 C 0 C 55 C at power on Storage temperature 20 C 70 C Transport temperature 20 C 80 C 100 hours Air humidity max 95 non condensing Only switch on after a 24 hour defrosting period Housing Body material Lower section of black polycarbonate glass fibre reinforced front of grey polycarbonate 2 x 15 pole terminal strip...

Page 15: ...m Safety note CE marking Disposal information T 55 C 131 F IP 40 IP20 5 VA Betriebsanleitung beachten See installation instructions Voir instructions de montage GESTRA AG Münchener Str 77 28215 Bremen GERMANY TÜV WÜL xx xxx 17 2 22 7 27 12 16 1 21 6 26 11 18 3 23 8 28 13 19 4 24 9 29 14 20 5 25 10 30 15 120Ω 24V 20 xxxxxxxxxxxx 24V Option CH CL CanBus M 0 5A LRR 1 60 OUT 1 4 20mA 0 1K Standby Absa...

Page 16: ...imit factory default Setpoint 3000 µS cm Proportional band Pb 20 of setpoint Reset time Ti 0 seconds Neutral zone 5 of setpoint Valve runtime 360 seconds Controlled operation Automatic MIN relay function MIN alarm 24h flushing On Flushing interval 0 hours Flushing time 180 seconds The set time takes effect twice The valve moves to OPEN for 180 seconds and to CLOSED for 180 seconds With actuation o...

Page 17: ...group and baud rate E Front membrane with status LED see page 24 F Housing G Support rail TH 35 Functional elements and dimensions The code switch can be accessed by disconnecting and removing the lower terminal strip Equipment settings see page 23 Fig 5 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 100 73 118 1 2 MAX 1 27 16 17 18 19 20 21 22 23 24 25 26 28 29 30 A B C F G D E ...

Page 18: ...ve voltage before commencing work 1 Switch off the voltage to the system or secure the surrounding equipment in the control cabinet if live so it cannot be touched 2 Carefully press the unit onto the support rail until the holder clips into place Electrical connection safety notes DANGER Incorrectly connecting the conductivity controller or any associated components is a danger to system safety Co...

Page 19: ...DC 4 20 mA CH CL S 120 Ω M 0 5 A 24 V DC 0 1K Ω MIN alarm relay output MIN MAX alarm relay output OPEN Supply voltage On site fuse M 0 5 A Option CAN bus CH CAN High CL CAN Low S shield MAX Actual value output Indication of valve position potentiometer 0 1000 W CLOSED Standby input for an external command Control OFF Valve CLOSED Intermittent blowdown OFF Actuates a continuous blowdown valve M ...

Page 20: ...ternal fuse Connecting the MIN MAX CLOSED OPEN output contacts Connect the outputs as shown in the wiring diagram in Fig 6 Only use the terminals specified in the wiring diagrams Use a T 2 5 A fuse to protect the switching contacts Notes on connecting inductive loads All connected inductive loads such as contactors and actuators must have interference suppression using RC combinations as per the m...

Page 21: ...ork a 120 Ω terminating resistor must be connected to the first and last units between terminals CL CH The LRR 1 60 conductivity controller is equipped with an internal terminating resistor To activate the internal terminating resistor in the LRR 1 60 conductivity controller insert a bridge between the terminals Option and CH The CAN bus network must not be interrupted during operation If it is an...

Page 22: ...controller group of the conductivity controller LRR 1 60 at any time using code switch D see Fig 5 Make changes before installing the conductivity controller when access is easier You will need the following tools Slotted screwdriver size 2 5 fully insulated Phillips screwdriver size 1 fully insulated Proceed as follows 1 Switch off the supply voltage to the equipment or system 2 Unscrew and pull ...

Page 23: ...liding switch white Configuring the controller group and baud rate LRR 1 60 conductivity controller Code switch D S1 S2 S3 S4 Configuration ID OFF OFF Controller group 1 default 50 OFF ON Controller group 2 55 ON OFF Controller group 3 70 ON ON Controller group 4 75 OFF Baud rate 50 kBit s default ON Baud rate 250 kBit s OFF Reserve default ON Reserve Fig 8 Configure the conductivity controller as...

Page 24: ...MAX switchpoints the MIN and MAX relays of the controller are energised The LED lights up green Alarm If the conductivity value is below the set MIN limit or above the set MAX limit the appropriate relay MIN MAX of the controller is de energised and indicates that MIN MAX conductivity has been reached The LED lights up green The output relays CLOSED OPEN of the LRR 1 60 3 point stepping conductivi...

Page 25: ...automatic intermittent blowdown is de energised in the normal state and only energised during an intermittent blowdown pulse The LED lights up green Alarm If the conductivity value is above the set MAX limit the MAX relay of the controller is de energised and signals a MAX alarm The LED lights up green Behaviour in the event of a malfunction In the event of a malfunction the LED lights up red and ...

Page 26: ...onnected to the terminal devices of the CAN bus line Controller group and baud rate configuration on the conductivity controller Are the controller group and baud rate correctly set on code switch D Configuration of electrodes Are the electrodes correctly set and has the measuring range been calibrated Baud rate Is the cable length correct for the set baud rate Is the baud rate identical for all u...

Page 27: ...erruption to power supply De energised De ener gised De ener gised De ener gised Off Indication of malfunctions in the LRR 1 60 conductivity controller MIN relay configured for automatic inter mittent blowdown Type of fault malfunction Relay LED MIN MAX CLOSED OPEN Breakdown in CAN bus communication Electrode failure Automatic inter mittent blowdown running De ener gised Energised De ener gised Re...

Page 28: ...ns Returning decontaminated equipment If goods have come into contact with media that are hazardous to health they must be drained and decontaminated before being returned to GESTRA AG Such media include solid liquid or gaseous substances mixtures of these or radiation GESTRA AG can accept returned goods only if accompanied by a completed and signed return note and also a completed and signed decl...

Page 29: ...ollowing European Directives Directive 2014 35 EU Low Voltage Directive Directive 2014 30 EU EMC Directive Directive 2011 65 EU RoHS Directive Please see our Declaration of Conformity for details on the conformity of our equipment with European Directives The current Declaration of Conformity can be found online at www gestra com or can be requested from us ...

Page 30: ...30 LRR 1 60 Installation Operating Manual 819692 00 For your notes ...

Page 31: ...31 LRR 1 60 Installation Operating Manual 819692 00 For your notes ...

Page 32: ... Bremen Germany Phone 49 421 3503 0 Fax 49 421 3503 393 e mail info de gestra com Web www gestra com 819692 00 08 2019cm 808944 00 GESTRA AG Bremen Printed in Germany You can find our authorised agents around the world at www gestra com ...

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