Flowserve NRS 1-40 - Manual (Page 13)

13
Indicator LED 1 changes after 3 sec. from rapid
flashing to lighting
3 sec.
Press button for 3 sec.
LED 1 flashes rapidly and remains
permanently illuminated after 3 sec.
A low-level alarm is simulated for
electrode 1.
Press button briefly.
LED 2 flashes rapidly and remains
permanently illuminated after 3 s.
A low-level alarm is simulated for
electrode 2.
This test cycle is performed for the water-
level limiting system (two level electrodes).
NRS 1-40
Indicator LED 2 changes after 3 sec. from rapid
flashing to lighting
Test Cycle
– continued –
There are four different alarm conditions:
■ Low-level alarm for
water-level limiter
(one level electrode).
■ Low-level alarm for
water-level limiting system
(two level electrodes).
Alarm
Low-level alarm for water level limiter
LED 1 flashes rapidly.
LED 1 remains permanently illuminated after
the de-energizing delay.
Low-level alarm for water level limiting system
LED 1 and 2 flash rapidly.
LED 1 and 2 remain permanently illuminated
after the de-energizing delay.