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8. Operating modes
User operation depends on the system mode. The system modes are described in the following sections.
8.1 Local mode, external stop not activated
In this mode, the system is locally controlled, and the external stop via digital input is not activated.
The flow charts below show examples of how settings can be made.
Starting and stopping the system
Changing the setpoint while the system is running
Changing the setpoint while the system is in "OFF" mode
Local mode, external stop activated
In this mode, the system is locally controlled, and the external stop via digital input is activated.
External stop via digital input has higher priority than local control. This means that settings can be changed locally, but they will not be
effective until external stop has been deactivated. The flow charts below show examples of how settings can be made
Starting and stopping the system
If you do not touch the buttons for 3 seconds, CU 323
reverts to the initial display.
12
Starting the system
On
Off
Changing the setpoint
Changing the setpoint
or
ON
E.st
On
Off
OFF
Stopping the system
On
Off
Stopping the system
OFF
On
Off
Starting the system
ON
On
Off
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