Flowserve ER 50-1 Manuel d'utilisateur Page 1

1GESTRA Steam SystemsER 50-1ER 56-1Installation Instructions 818781-00Level electrodeER 50-1, ER 56-1

10Functional ElementsER 50-1, ER 56-1Fig. 6!"086795MAX 70°CMAX 95%%IP 65

111 Thermal insulation, provided on site, d = 20 mm (outside of thermal insulation of steam generating unit)2 Seating surface3 Joint ring D 33 x

12Attention The seating surfaces of the threads or flange provided on the vessel or boiler standpipe must be accurately machined, Fig. 5. Do not be

13Installation – continued –Fig. 7Fig. 8Fig. 10Fig. 9Examples of installation20 DN 501" BSP∅ 20∅ 20≤ 90°&=§$%/(bc DN 10024.5 24.5∅ 20¾"

14Key§ Flange PN 40, DN 50, DIN 2527 Flange PN 40, DN 100, DIN 2527$ For the approval of the boiler standpipe with connecting flange the relevant reg

15Electrical ConnectionWiring via four-pole connector.Screened four-core cable, e. g. I-Y(St)Y 2 x 2 x 0.8 or LIYCY 4 x 0.5 mm².Max. length 100 m with

161. Check the switching function “High Level Alarm (HW)” of the electrode tip 4 . For this purpose raise the water level in the vessel above the

17TroubleshootingFault finding listLevel has exceeded switchpoint “High Water” – no functionFault: Mains voltage has not been applied.Remedy: Apply m

18For your notes

19For your notes

2ContentsUsage for the intended purpose ...

20818781-00/1007cm · 2007 GESTRA AG · Bremen · Printed in GermanyGreat BritainFlowserve GB LimitedAbex RoadNewbury, Berkshire RG14 5EYTel. 00 44 16 3

3Electrical ConnectionER 50-1, ER 56-1 ...

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

5Explanatory NotesDescriptionThe level electrodes ER 50-1 and ER 56-1 work according to the conductivity measurement principle. The ER 50-1/56-1 can s

6Corrosion resistanceProvided that the equipment is used for its intended purpose, its safety is not impaired by corrosion.SizingThe body must not be

7Technical Data – continued –Name plate / markingFig. 1Fig. 2Equipment designation

8DimensionsTechnical Data – continued –270∅ 421" to EN ISO 228-11000, 1500Fig. 3

9DesignER 50-1, ER 56-1Fig. 5N 8N 10 0.5∅ 401" to EN ISO 228-1Fig. 413245065-70≥ 14