Flowserve NRGS15-1 Manuel d'utilisateur

GESTRA Steam SystemsNRGS 15-1 Installation Instructions 818479-00Level Switch NRGS 15-1

10Explanatory Notes – continued –Technical dataService pressure25 barg at 224 °CConnectionScrewed 1" BSP, DIN ISO 228MaterialsScrew-in housing: 1

11Explanatory Notes – continued –Technical data - continued -Indicators and adjustors3 red LEDs to indicate "Low level alarm 1 + 2 / High level&q

12Explanatory Notes – continued –Technical data - continued -Name Plate 110-120 and 220-240 VACCorrosion resistanceIf the NRGS 15-1 is used for its i

13Establishing FunctionsSelect functionBefore installing and commissioning the NRGS 15-1 ascertain the settings for the required functions.Five functi

14Establishing Functions – continued –Select function - continued -Factory settingThe factory setting of level switch NRGS 15-1 without pushbuttons i

15Establishing Functions – continued –Adjust function1. Undo the housing screws and remove the housing lid.2. Set the code switch to the desired fu

16InstallationLevel switch NRGS 15-1We highly recommend that only qualified staff should carry out installation work in accord-ance with these install

17Installation – continued –Align terminal boxAlign the terminal box such that the LEDs , , , , can be seen by the operator.1. Undo the housing scre

18Installation – continued –Mount terminal box1. Put gasket onto electrode part.2. Run all electrode wires through the hole for the fixing screw (see

19WiringConnect level switch NRGS 15-1Use multi-core flexible control cable with a min. conductor size of 0.75 mm² as mains and control cables. 1. Und

2ContentsPageImportant notesUsage for the intended purpose...8Safe

20Wiring – continued –Wiring diagram456789101113234143214321141512Mains supplyTESTRESETPE connectionElectrodecablesFig. 6

21CommissioningCheck wiring1. Make sure that the level switch is correctly wired in accordance with the wiring diagram (see Fig. 6).2. Make sure that

22Commissioning – continued –Check switching functionsUse the following table as reference when checking the individual switching functions. Electrode

23Commissioning – continued –Check switching functions - continued -Electrode rod3 = timed pump control (fill control)Electrode rod3 emerges Relay3 is

24Malfunctions / TroubleshootingFault finding listSwitchpoint "Pump OFF" exceeded - no functionFaul t: Mains voltage is not applied.Remedy:S

25Malfunctions / Troubleshooting – continued –Replace electronic circuit board1. Undo the housing screws and remove the housing lid . 2. Pull the ele

26AnnexAdjust other functionsThe level switch assigns one switching channel to each electrode tip. The functions of the switching channels 1 and 4 are

27Annex – continued –Installation in non-metallic vesselThe level switch electrode can also be installed in non-metallic vessels. Note that in this ca

28Examples of InstallationKeyFlange PN40, DN50, DIN 2527 or flange PN40, DN100, DIN 2527For the approval of the boiler standpipe with connecting flang

29For your notes

3ContentsPageAnnexAdjust other functions ...26Install

808597-00/804 agt ©2004 GESTRA AG Bremen Printed in Germanywww.gestra.deGESTRA AGPostfach 10 54 60, D-28054 Bremen Münchener Str. 77, D-28215 Bremen

4Dimensions180~355 100013012Fig. 1b = 60A. F. 411" BSP to DIN ISO 228

5Functional Elements50>1465-701234ABCN8N100.51" BSP to DIN Ø 40Fig. 2Fig. 3D40A. F. 41E

6Functional Elements4567891011131415121245674567JFig. 4Fig. 5FGIJKLMNH4321123 456789OMAX 70 °CMAX 95 %%IP 65

7KeyLED 1 redLED 2 redLED 3 yellowLED 4 redLED "Mains supply ON" greenCode switch S1Potentiometer for time delay (0 to 30 sec.)TEST buttonRE

8Important notesUsage for the intended purposeThe level switch NRGS 15 - 1 is designed for detecting and signalling levels in liquids with a minimum e

9Explanatory NotesScope of supplyNRGS 15-1 1 Level electrode with four tips 1 Terminal box with integrated level switch 1 Joint ring Ø33x39 to DIN