Flowserve NRGS 16-2 - Manual (Page 14)

14
1. Switch on mains supply and check the correct functioning of the equipment at the
corresponding switchpoints. LEDs , , are provided for visual check of
switchpoints. Fig. 5
Remove housing cover to check LEDs , , . See “Wiring”
1. Check the switching function “Low level alarm” of the electrode rods 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 function “Pump ON” and “Pump OFF”. See table 1.
Commissioning
Warning
1. Check whether the system NRGS 16-2 has been wired according to wiring
diagram Fig. 6.
2. Check whether mains supply corresponds to the wiring carried out on the
equipment.
The terminal strip of the NRGS 16-2 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 correlation of switching functions
Check low-level alarm
The function of the low-level alarm can be simulated by pushing the button “TEST” .
Fig. 5
The low-level alarm must then be activated.
G G G G G H H H H H IIIII
F F F F F G G G G G H H H H H IIIII
1 1 1 1 1 2 2 2 2 2
K K K K K