GESTRA SRL 63-a Original Installation Instructions Download Page 1 | Manualshive

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E n g l i s h

Logic Unit

SRL 63-a

Original Installation Instructions

818588-04

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Summary of Contents for SRL 63-a

Page 1: ...1 E N English Logic Unit SRL 63 a Original Installation Instructions 818588 04 ...

Page 2: ...xplanatory Notes Scope of supply 5 Description 5 Function 5 6 Note 6 Page Installation Installing the logic unit SRL 63 a 9 Electrical Connection Connecting the terminal strips 10 Note 10 Attention 10 Tools 10 Wiring diagram of logic unit for monitoring SRL 63 a 11 SRL 63 a 7 Name plate marking 8 Dimensions 8 Technical Data Basic Setting Factory setting 12 Functional Elements SRL 63 a 9 Start up O...

Page 3: ...3 Decommissioning SRL 63 a 15 Contents continued Page Troubleshooting Fault finding list 15 Disposal SRL 63 a 15 ...

Page 4: ... the measuring pot Any other use is deemed as not being in compliance with the intended purpose The user shall be solely responsible for the associated risks The manufacturer shall not be liable for any damage resulting from improper usage LV Low Voltage Directive and EMC Electromagnetic Compatibility The equipment meets the requirements of the Low Voltage Directive 2014 35 EC and the EMC Directiv...

Page 5: ...the measuring pot is drained The logic unit SRL 63 monitors compliance with the preset times and the sequence of valve operations in addition it bypasses the low level limiter to ensure that the system is not shut down during purging The logic unit for monitoring the purging cycle consists of a compact PLC a safety time lag relay and a coupling relay The design complies with EN 50156 Fig 1 depicts...

Page 6: ... of the remaining time During operation the standby period is started at the end of the interval time which is immediately reset to its initial value e g 24h 72h etc The PLC then starts the purging time when an interconnec tion valve E or D leaves the end position Open During the purging time the output contact of the low level limiter is bypassed This bypass is triggered by the undelayed contact ...

Page 7: ... at our works within the range 2 to 336 hours in compliance with TRD 24 72 h Standby period Adjusted at our works within the range 15 minutes to 2 hours in compliance with TRD 1 h Purging time Set at our works to 5 minutes Indicators and adjustors 1 control panel at the PLC for triggering a test 3 pilot lamps for standby period purging time bypassing of the low level limiter and deactivation of th...

Page 8: ...6 8 2 Standby Bypass Shutdown 1 0 1 5 Cable glands 5 x M16 Fig 3 Designation Mains voltage Power consumption Protection Range of application Times Disposal CE marking Safety note Safety circuit Fuse Manufacturer Data for spare parts inventories Fig 2 SRL 63 a Spannungs Sicherheitsstromkreis IP 65 230 V 50 60 Hz 250 V T 2 5 A Münchener Str 77 D 28215 Bremen Tamb 55 C 131 F Intervallzeit Bereitschaf...

Page 9: ...stalling the logic unit SRL 63 a The case of the logic unit is intended for wall mounting it should be installed near the external measuring pot Functional Elements SRL 63 a Fig 4 Interval 24h Remaining 2h Control panel ...

Page 10: ... whether the mains voltage matches the voltage of the safety circuit If this is not the case it is necessary to use a logic unit with the correct voltage for the safety circuit Note Attention If both low level limiter electrodes of a boiler are installed in external measuring pots simultaneous purging and bypassing of the low level limiters is not admissible To prevent this happening the two logic...

Page 11: ...Low level alarm electrode exposed high level electrode submerged Attention External voltage NRS 1 7 Connection for low level limiter Standby Bypass Shutdown Shutdown Standby Bypass Burner safety circuit or pump shut off Boiler Valve D steam E water F drain Attention External voltage Burner safety circuit NRS 1 8 Connection for high level alarm Interval 24 h Remaining 8 27 h ...

Page 12: ...ltage of safety circuit 230 V AC Start up Operation Alarms and Testing SRL 63 a Fig 6 Start up Switch on the mains voltage Interval time starts running Remaining time is indicated Restarting the interval time Perform the purging process see Operation Green pilot lamp Standby flashes yellow pilot lamp Bypass is alight Purging time is running Low level limiter is bypassed Interval 24h Remaining 2h C...

Page 13: ...eration Alarms and Testing continued SRL 63 a continued Operation Interval time is running No pilot lamp is alight Trouble free operation Interval time expires and begins again Green pilot lamp Standby is alight Standby period is running Perform the purging process as shown on the PLC display Green pilot lamp Standby flashes yellow pilot lamp Bypass is alight Purging time is running Low level limi...

Page 14: ...trically live during operation This presents the danger of electric shock Before working on the terminal strips assembly disassembly connecting the cables always cut off power supply An external voltage is present at terminal strips X1 terminals 16 to 20 and X3 terminals 1 to 5 Testing the deactivation of the safety circuit Press the button then press until the picture with the cursor buttons is s...

Page 15: ... been cancelled and the safety circuit is interrupted Remedy Switch on the mains voltage and resume the purging process SRL 63 a Cut off the power supply to the logic unit undo all the electrical connections and pull the cables out of the glands Remove the logic unit Decommissioning Remove and dismantle the logic unit and separate the waste materials according to the material specification Electro...

Page 16: ...16 For your notes ...

Page 17: ...17 For your notes ...

Page 18: ...18 For your notes ...

Page 19: ...19 For your notes ...

Page 20: ...8615 07 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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