Flowserve NRGS 11-2 Manual do Utilizador

1GESTRA Steam Systems NRGS 11-2NRGS 16-2Installation Instructions 810366-01Level Electrode Types NRGS 11-2, NRGS 16-2

10Functional Elements NRGS 11-2, NRGS 16-2GESTRA Steam SystemsGESTRANRGS 16-2KN1 2 3 456 7 8 9 10 11 1314121 2 34ON6Fig. 5Fig. 4E F G1234HNMJLK65IO65

11 1 LED „Low-level alarm“ 2 LED “Low-level alarm” 3 LED “Pump ON” 4 Code switch “Measuring range” 5 Button “TEST” 6 Button “RESET” A Thermal i

12Attention The seating surfaces of the threads or flange provided on the vessel or boiler standpipe must be accurately machined. Fig. 3 Do not

13Installation continued20≥ 10 DN 50 1" BSP∅ 20∅ 20≤ 90°Fig. 6 Fig. 720∅ 20≥ 10 DN 50 1" BSP≤ 90°∅ 20≤ 1500DN 20DN 20ME≤ 20 1" BSPD

14Key1 Flange PN 40, DN 50 (2"), DIN 2527 Flange PN 40, DN 100 (4"), DIN 25272 For the approval of the boiler standpipe with connecting fl

15WiringNRGS 11-2, NRGS 16-2 Fuse supply cables with T 2.5 A.ToolsAttention Screwdriver for cross head (“Phillips”) screws, size 1 Screwdriver for

16The measuring range can be switch selected between ≥ 0.5 µS/cm und ≥ 10 µS/cm by means of the code switch 4:1. Unscrew screws E at the electrode t

171. Switch on mains supply and check the correct functioning of the equipment at the corresponding switchpoints. LEDs 1, 2, 3 are provided for

18TroubleshootingFault finding listLevel has exceeded switchpoint “High Water” – no functionFault: Mains voltage has not been applied.Remedy: Apply m

19Declaration of conformity Dipl.-Ing. Uwe Bledschun Head of the Design Dept.AnnexWe hereby declare that the equipment NRGS 11-2 and NRGS 16-2 conform

2ContentsUsage for the intended purpose ...

20810366-01/406cm · © 2004 GESTRA AG · Bremen · Printed in GermanyGreat BritainFlowserve Flow Control (UK) Ltd.Burrel Road, Haywards HeathWest Sussex

3WiringNRGS 11-2, NRGS 16-2 ...15

4Important NotesDangerWhen loosening the electrode steam or hot water might escape. This presents the danger of severe scalds to the whole body.It is

5Explanatory Notes continuedSystem descriptionThe compact system NRGS 11-2, NRGS 16-2 works according to the conductivity measurement prin-ciple. Wit

6NRGS 11-2, NRGS 16-2 continuedTechnical Data continuedLengths supplied 500 mm 1000 mm 1500 mmMains supply 230 V +/– 10 %, 50/60 Hz 115 V +/– 10 %

7Corrosion resistanceProvided that the equipment is used for its intended purpose, its safety is not impaired by corrosion.SizingThe body must not be

8DimensionsTechnical Data continuedFig. 1173140337.5∅ 42 1", EN ISO 228-1500, 1000, 1500

9Design NRGS 11-2, NRGS 16-2Fig. 2Fig. 3N 8N 100.5∅ 40 1", DIN 228ACBD5065-70≥ 14