16 Instructions for Use
Use
138/192 TwisTorr 74 FS AG On-board Controller User Manual / 87-901-054-01
Switching on and Use of the TwisTorr 74 FS AG
On-board
To switch on the TwisTorr 74 FS AG On-board, it is sufficient to
provide the mains supply. The controller automatically recognizes
the presence of the interlock and start signals and starts the pump.
“Soft Start” mode is provided in order to switch on the pump after a
long period of standstill. To start the pump with “Soft Start” mode
active, this must be enabled via software or close the contacts on the
remote connector.
For the “Soft Start” mode activation procedure, see the “Signal
Description” paragraph in the “Technical Information” chapter. The
flashing rate of the green LED on the TwisTorr 74 FS AG On-board
front panel indicates system operating conditions:
on steadily: the pump is rotating normally;
slow flashing (period of about 400 ms): the system is in ramp, or
in Stop, or in “Waiting for interlock” status;
fast flashing (period of about 200 ms): error condition.
Switching off the TwisTorr 74 FS AG On-board
To switch off the TwisTorr 74 FS AG On-board, it is sufficient to
remove the mains supply. The integrated controller immediately
stops the pump.
Emergency Stop
To stop the TwisTorr 74 FS AG On-board immediately in an
emergency condition, remove the power cord.
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