Flowserve NRA 1-3 Bedienungsanleitung PDF herunterladen (Seite 16)

Function of keys

Key 1: Reduce value –, browse

Key 3: Increase value +, browse

Key 2 (E): Press brieﬂy: Call up/Execute menu // Continue / Save settings

Key 2 (E): Press longer: Return to menu, cancel input

Key 1 + 3: Press longer: Reset/Delete values (e. g. alarm list + maintenance interval)

LEDs 1 – 3

LED 1: Steam loss

LED 2: Banking-up of condensate

LED 3: Measuring electrode NRG 16-27 defective (short circuits, parting of a cable).

Measuring electrodes NRG 16-19 are not monitored.

Operation, Alarm and Test

Speciﬁcation of keys and displays

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.01

Error Incorrect conﬁguration due to inadmissible code switch setting

E.02

Error In mode 2 and 7 the settings for banking-up of condensate is not ﬁnished

E.03 Error Maintenance interval (6 months) elapsed

C.01 – C.16 Channels 1 - 16

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 2

dtC (mode 2, 7)

Delta TC Admissible deviation from condensate temperature in steam trap

dtS (mode 1, 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.01 – C.16 Channels 1 - 16

Indication of measuring channel

don Done Conﬁrmation of input when setting parameters

clr Clear Conﬁrmation of clear command (interval, alarm)

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Flowserve NRA 1-3 Bedienungsanleitung Seite 16