Flowserve NRA 1-3 Manual de usuario Pagina 18

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18
Operation, Alarm and Test – continued –
y y y
Serial
poll
Key E
briefly
longer
HIS
Keys
(1)
(3)
InT
Keys
(1)
(3)
CAL
Key E
briefly
longer
ALL
Key E
briefly
Temperature
auto poll
auto
don
CAL
Keys
(1)
(3)
Keys
(1)
(3)
C.xx
Key E
briefly
longer
Change
temperature
Keys (1), (3)
Key E
briefly
don
C.xx
dtC
Key E
briefly
longer
Change
tempera-
ture
Keys (1), (3)
Key E
briefly
don
dtC
Setting banking-up of condensate, mode 2 and 7
The precondition for this operating mode is:
n the use of the measuring electrodes NRG 16-27, NRG 16-28 (with integrated condensate
temperature measurement at the steam trap)
With the parameter dtC the factory set difference of 40 K between the temperature measured at the
steam trap and the switchpoint “Banking-up of condensate”. The value can be changed in increments
of 1 K up to a max. limit of 100 K.
In the parameter mode CAL the condensate temperature from all steam traps is polled, the difference
dtC is subtracted and the result saved.
Starting from the parameter mode ALL, the switchpoint “banking-up of condensate” can be adjusted in
increments of 5 K for each individual steam trap (C.xx) in order to match the settings optimally to the
operating conditions.
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