Flowserve NRGS 11-2 - Manual (Page 17)

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. Switch on mains supply and check the correct functioning of the equipment at the
corresponding switchpoints.
LEDs
1, 2, 3 are provided for visual check of switchpoints. Fig. 5
Remove housing cover G to check LEDs 1, 2, 3. See Fig. 4 and 5
. Check the switching function “Low level alarm” of the electrode tips and .
For this test the level in the vessel must fall below the low level mark.
The low-level alarm must then be activated by the level switch.
2. Check the switching functions “Pump ON” and “Pump OFF”. See table 1.
Commissioning
Warning
. Check whether the system NRGS -2, NRGS 6-2 has been wired according to wiring
diagram Fig. 10.
2. Check whether mains supply corresponds to the wiring of the equipment.
The terminal strip of the NRGS -2, NRGS 6-2 is live during operation.
This presents the danger of electric shock.
Cut off power supply before removing or replacing housing cover.
Wiring check
Application of mains voltage
Check assignment of switching functions
Check low-level alarm
The function of the low-level alarm can be simulated by pushing the button “TEST” 5 . Fig. 5
The low-level alarm must then be activated.
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Operation
Resetting low-level alarm
You can reset an activated low-level alarm by pushing the RESET button 6. Fig. 5
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