ABB EasyLine EL3000, Manual

Page: 104 / 124

104 EL3000 CONTINUOUS GAS ANALYZERS | CI/EL3000-EN REV. C
… 6 Commissioning
Fidas24 – Standby / Restart
Definitions
• Standby mode:
Heater on, combustion gas valve closed, combustion air
valve closed, instrument air valve closed, housing purging
on, zero gas valve opened in standby mode with purging
of the detector.
• Fail-safe mode:
Fail-safe means: heater off, combustion gas valve closed,
instrument air valve closed, housing purging on, zero gas
valve open.
Set Fidas24 in Standby mode
‘  Operation /  Pump / Standby /  Fidas Standby
 Fidas Standby’
In the ‘Fidas Standby’ menu, you can choose between the
‘Standby & Purge’ and’Standby’ operating modes:
Standby Standby mode is activated.
Standby & Purge Standby mode with opening of the zero gas valve for
purging the detector is activated (only when executing
with test gas connection).
In standby mode, there is a 'Function check’ status signal (see
"Diagnosis / error messages" in the operating instruction ) and
the status message no. 411 'Fidas24 Standby mode' (see
"Diagnosis / error messages" in the operating instruction ) is
issued; the measured values are invalid.
Note
If the Fidas24 is in fail-safe mode (see "Diagnosis / error
messages" in the operating instruction ), it cannot be set to
standby mode.
Setting Fidas24 back to measurement mode
‘

Operation /

Pump / Standby /

Fidas Standby

Fidas Restart’
The menu ‘Fidas Restart’ shows the most important operating
parameters of the Fidas24:
F-D1 Flame temperature
B-Air Combustion air pressure
B-Gas Combustion gas pressure
The restart is initiated by pressing
OK
. After initiating the
restart, you can leave the menu by selecting  ; the restart
sequence will continue to be executed. The restart sequence can,
however, also be observed further in the menu.
Note
If the Fidas24 is in fail-safe mode (see "Diagnosis / error
messages" in the operating instruction ), it cannot be set to
measurement mode.