Flowserve NRA 1-3 - Manual (Page 16)

6
Function of keys
Key : Reduce value –, browse
Key 3: Increase value +, browse
Key (E): Press briefly: Call up/Execute menu // Continue / Save settings
Key (E): Press longer: Return to menu, cancel input
Key + 3: Press longer: Reset/Delete values (e. g. alarm list + maintenance interval)
LEDs 1 – 3
LED : Steam loss
LED : Banking-up of condensate
LED 3: Measuring electrode NRG 6-7 defective (short circuits, parting of a cable).
Measuring electrodes NRG 6-9 are not monitored.
Operation, Alarm and Test
Specification of keys and displays
E
Fig. 6
Key to codes on seven-segment display
Code Meaning
The following codes can appear on the seven-segment display even if no key is being pressed:
SYS
System SYS changes with plant temperature in °C
E.0 Error Incorrect configuration due to inadmissible code switch setting
E.0 Error In mode and 7 the settings for banking-up of condensate is not finished
E.03 Error Maintenance interval (6 months) elapsed
C.0 – C.6 Channels - 6 Indication of measuring channel
If the E key is pressed:
HIS
History Alarm list detailing old alarms
InT Interval Remaining time of maintenance interval
CAL Calibration Channel calibration in mode
dtC (mode , 7) Delta TC Admissible deviation from condensate temperature in steam trap
dtS (mode , 6) Delta TS Admissible deviation from plant temperature
tSt Test LEDs and all segments are illuminated
ALL All channels Channel selection when calibrating / setting
C.0 – C.6 Channels - 6 Indication of measuring channel
don Done Confirmation of input when setting parameters
clr Clear Confirmation of clear command (interval, alarm)