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Screen 12 Screen 13
Select Screen 10 with
^
and
^
keys.
Press (+)
^
and
^
(-) keys to increase or decrease the pressure of the generated steam. The display will
indicate the opening value of the valve in % and the steam pressure value in bar. When the required value of
the position exceeds the limit of “0”, the on-off solenoid valve of the primary steam will be open. Meanwhile
the screen will show the complete graphic of the valve to indicate the working condition of the same.
The stoppage and the closure of the isolation valve of steam are instead indicated with the external prole
only of the valve graphic.
During the operation the following alarm conditions can occur. For example:
- transmitter alarm
- maximum level alarm
- minimum level alarm
- maximum pressure alarm
In case of any alarm condition, e.g. that of Screen 12 and 13, the isolation valve of the steam will be closed.
The operation will be stopped and the lamp of general alarm will light up.
To acknowledge the alarm press the RESET key. Screen 4 will be displayed (manual control of feed water)
whilst the general alarm remains active. It is necessary to remove the cause of the alarm before reopening
the valve. Press then the external Manual Reset pushbutton.
Press the
^
and
^
keys to access Screen 10, then press the < (-) and (+) > keys to resume the operation
of the valve.
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