Flowserve NRA 1-3 Manual de usuario Pagina 1

1Installation Instructions 818678-00Test StationNRA 1-3GESTRA Steam Systems NRA 1-3

101 2 3 4 5 1 2 3 4 51 2 3 4 5 1 2 3 4 51 2 3 4 5 1 2 3 4 51 2 3 4 5 1 2 3 4 51 2 3 4 5 1 2 3 4 51 2 3 4 5 1 2 3 4 51 2 3 4 5 1 2 3 4 51 2 3 4 51 2 3

111 Seven-segment display2 LED indicating steam loss3 LED indicating banking-up of condensate4 LED indicating malfunction in measuring electrode5

12WiringConnecting line of temperature sensor for detecting the temperature of the installationUse screened three-core cable (e. g. Ölflex 110 CH, manu

13Wiring – continued –Toolsn Screwdriver for cross-recess head screws, size 1 and 2n Screwdriver for slotted screws, size 2.5, completely insulated t

14Basic SettingsFactory settingTest station NRA 1-3The test station features the following factory set default values:n Difference of condensate temp

15NoteIn mode 3 two measuring electrodes NRG 16-19 (one for banking-up of condensate and one for steam loss) per measuring channel are connected toget

16Function of keysKey 1: Reduce value –, browseKey 3: Increase value +, browseKey 2 (E): Press briefly: Call up/Execute menu // Continue / Save sett

17Operation, Alarm and Test – continued –Mode 1, 6: After the mains voltage has been switched on and the display test has been finished the system tem

18Operation, Alarm and Test – continued –y y y SerialpollKey E briefly →← longerHISKeys(1) ↓ (3) ↑InTKeys(1) ↓ (3) ↑CALKey E briefly →← longerALLKey E

19Operation, Alarm and Test – continued –Alarm messagesEThe alarm messages “Banking-up of condensate”, “Steam loss” and “Malfunction in electrode” (s

2ContentsUsage for the intended purpose ...

20Operation, Alarm and Test – continued –Maintenance interval InTThe paramter mode InT shows the remaining time of the maintenance interval in days.

21NRA 1-3DecommissioningFirst disconnect the supply voltage and pull the cable out of the cable gland. Then disconnect the measuring electrodes and pu

22Declaration of Conformity We hereby declare that the test station NRA 1-3 conforms to the following European Directive:n LV guideline 73/23/eec ve

23For your Notes

24818678-00/806cm · 2006 GESTRA AG · Bremen · Printed in GermanyGreat BritainFlowserve Flow Control (UK) Ltd.Burrel Road, Haywards HeathWest Sussex RH

3Check wiring ...

4Important NotesDangerThe terminal strips of the test station NRA 1-3 are live during operation.This presents the danger of electric shock.Cut off pow

5Scope of supplyNRA 1-31 Test station NRA 1-31 Installation manualExplanatory NotesDescriptionThe measuring electrode detects banking-up of condensate

6NRA 1-3Technical DataSupply voltage 230 V, 50 / 60 Hz 115 V, 50 / 60 Hz optionalInput 16 inputs for measuring electrodes NRG 16-19, NRG 16-27, NRG 16

7Technical Data – continued –Name plate / markingFig. 1Cable entry / Wiring Cable gland with integral cable clamp, 8 x M 16 x 1.5, 17 five-pole screw-

8Technical Data – continued –Dimensions NRA 1-3137226.5146.7226.5146.7105Fig. 3Test station NRA 1-3 eFront panel cut-out 236x151Fig. 2Test station NR

9Test station NRA 1-3aThe enclosure of the test station NRA 1-3a is designed for wall mounting. The four fixing holes are accessible after opening the