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819117-04/06-2016cm (808851-05) · 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   [email protected]
Web www.gestra.de

Agencies all over the world:

www.gestra.de

Содержание SRL 6-50

Страница 1: ...1 E N English Original Installation Instructions 819117 04 Logic unit SRL 6 50 ...

Страница 2: ...sing of the logic unit Replacing the logic unit 20 Disposal 20 In the system Installing the logic unit Dimensions SRL 6 50 8 Key 8 Installing logic unit SRL 6 50 8 Name plate marking 9 SRL 6 50 6 7 Scope of supply 7 Technical data Basic Settings Factory setting 14 In the system Wiring the logic unit Wiring diagram for logic unit SRL 6 50 10 Key 11 Tools 12 Wiring terminal strip 13 Start Operation ...

Страница 3: ... The level switch NRS 1 50 NRS 1 51 therefore bypasses the level electrode and monitors the rinsing and bypass time standby input controlled by the logic unit SRL 6 50 Fig 1 shows a water level limiter system with a level electrode installed inside the boiler and a second electrode installed in an external level pot The following combination is also possible 2 external level electrodes NRG 1X 5X 2...

Страница 4: ...ixed sequence The logic unit polls the limit switches to obtain data on the valve positions and the level switch for information on the water level low level if electrode is exposed If valves D and E are open after the rinsing process and valve F closed and the level electrode for low water low level is submerged again the stand by input of the level switch NRS 1 50 NRS 1 51 will be deactivated Th...

Страница 5: ...ective 2014 35 EC and the EMC Directive 2014 30 EC Note on the Declaration of Conformity Declaration by the Manufacturer For details on the conformity of our equipment according to the European Directives see our Declara tion of Conformity or our Declaration of Manufacturer The current Declaration of Conformity Declaration of Manufacturer are available in the Internet under www gestra com document...

Страница 6: ...by on off at level switches NRS 1 50 NRS 1 51 Standby time Start running Purging time Standby running Deactivated Stop Times Interval time 1 9999 hours adjustable Standby time 1 99 hours adjustable Purging time 5 10 minutes factory set Other time settings on request Equipment design Indicators and adjustors 1 indicating operating display 1 green LED indicating standby time Start 1 amber LED indica...

Страница 7: ...C 100 hours defrosting time of the de energized equipment before it can be put into operation 24 hours Storage temperature 20 C 70 C defrosting time of the de energized equipment before it can be put into operation 24 hours Relative humidity max 95 no moisture condensation Scope of supply SRL 6 50 1 Logic unit with enclosure for wall mounting 1 Connecting cable length 5 m one end fitted with femal...

Страница 8: ...it is designed for wall mounting and should be installed close to the external level pot 1 Latch 2 Lugs for wall mounting 3 Indicator and adjustor pad 4 Start LED green stand by time Key 5 Standby LED yellow purging time 6 Stop LED red deactivation 7 Lid for terminal block 8 Cover screws 2 1 3 4 5 6 7 8 8 2 143 130 116 1 1 3 5 2 185 164 176 5 54 5 116 6 9 Lugs for wall mounting ...

Страница 9: ...te marking Safety note Type designation Supply voltage Power consumption Ambient temperature Protection Times Disposal note Manufacturer 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 Standby time Purging time Wiring diagram no 821603 xx Software no Material no 392...

Страница 10: ... 6 14 3 3 4 4 5 6 7 8 9 10 11 12 13 14 1 1 1 6 3 3 5 5 7 9 10 2 2 4 4 6 8 2 3 4 5 6 7 8 Fig 4 9 d e f i j k b g a Valve D OPEN Valve D CLOSED Valve E OPEN Valve E CLOSED Valve F CLOSED c m g l n h h 0 Number of single core Color of single core 1 white WH 2 brown BN 3 green GN 4 yellow YE 5 grey GY 6 pink PK 7 blue BU a ...

Страница 11: ...inals 5 8 for water level limiter level electrode NRG 1X 50 in hot water plants g Terminals in control cabinets for providing the supply voltage and for connecting the logic unit and the level switch h Connection for supply voltage 24 V DC with 0 5 A semi delay fuse provided on site see Technical Data i External indication of deactivation Stop 24 DC 1A j External indication of purging time Standby...

Страница 12: ...vel switch NRS 1 50 NRS 1 51 must be certified to have at least double or reinforced isolation according to DIN EN 50178 or DIN EN 61010 1 or DIN EN 60730 1 or DIN EN 60950 safe isolation between the standby inputs the signal outputs and the live parts of the installation that are not supplied with safety extra low voltage Attention n Fuse the logic unit with an external 0 5 A semi delay fuse see ...

Страница 13: ...upplied connecting cable and wire the terminals in accordance with the wiring diagram Fig 4 It is possible to connect external indicator lights to terminals 10 to 12 For this purpose screw an ad ditional cable gland M20 x 1 5 into the housing The bore for the second cable gland is pre punched and must be knocked out Insert the male connector of the connecting cable into the female connector of the...

Страница 14: ...ing the supply voltage initiate the first purging process To continue see indication of sequence schedule for purging Standby LED illumi nated Purging time running standby input activated NRS 1 5X Please wait until limiter is ready Operation Activity Indicator adjustor pad LED indication Function Interval time elapsed and re started Start LED illuminated Standby time running Initiate purging proce...

Страница 15: ... Valve D CLOSED Valve E CLOSED Valve F OPEN 03 02m Valve D CLOSED Valve E OPEN Valve F OPEN Remaining purging time Awaiting low level message only with level electrode NRG 1X 50 low level limiter 02 36m Awaiting normal level 04 13m Valve D CLOSED Valve E CLOSED Valve F OPEN 03 56m Awaiting low level message 37 sec 03 21m Valve D CLOSED Valve E CLOSED Valve F CLOSED 03 02m Valve D OPEN Valve E CLOS...

Страница 16: ...utton and then The next mask appears The password is confirmed If the entered password is incorrect the system displays a flashing message Password incorrect You have to enter the password within 60 seconds otherwise your entry will not be applied and you have to repeat the procedure Start Operation and Alarm continued SRL 6 50 continued Fig 6 SRL 6 50 ESC OK PW input 0 Press ESC 1 sec and OK to c...

Страница 17: ...press ESC 1 sec and confirm with OK ESC OK OK ESC Changing the interval time Action Indicator ajdustor pad Function To change the interval time press buttons and simultaneously The input mask appears and you can enter the new interval time The entry is confimed To enter the interval time press and hold button until the input line is highlighted Briefly press button The input mask appears Use butto...

Страница 18: ...e connecting lines at the same time If standby inputs 1 and 2 of the level switch are activated at the same time the level switch will open the safety circuit Danger Please check positions of valves after each purging process The valves must be in operating position which means that valves D and E must be open and valve F closed ...

Страница 19: ...ate purging during purging time For installations with two measuring pots Purging time for measuring pot 1 running purging for measuring pot is started in parallel Operating position Indicated sequence as specified above Standby LED not illuminated Stop LED illuminated for approx 40 sec then Start LED lights up standby time Move all valves to operating position Both logic units re start with stand...

Страница 20: ...ogic unit 7 Attach connecting cables for limit switches 8 Switch on supply voltage 9 Initiate first purging process Disposal If faults occur that are not listed above or cannot be corrected please contact our service centre or authorized agency in your country Indication diagnosis remedy continued Troubleshooting continued Fault in program sequence safety circuit in level switch interrupted Error ...

Страница 21: ...21 For your Notes ...

Страница 22: ...22 For your Notes ...

Страница 23: ...23 For your Notes ...

Страница 24: ...8851 05 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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