Backlight; Acoustic Signals - Eurofred 3CSA0013 Mode D'emploi

the hydraulic diagram of the installation set up, the state of
the outputs, the probes as well as several other data and
informations.
STARTING
TURNING ON AND OFF
To turn the control unit on and off, press the ' esc ' key for
at least 3 seconds. When the control unit is turned on it will
carry out a diagnosis of the internal circuitry to verify its
correct operation and the red led will flash three times.
If the control unit reveals no anomalies the red led will remain
on, otherwise it will continue to flash quickly and the display
will show the type of error.

BACKLIGHT

By pressing any key the backlight of the display is activated.
The backlight automatically shuts off after about 20 seconds
from the last key depressure.

ACOUSTIC SIGNALS

The control unit is supplied with an internal buzzer that gives
the user an acoustic feedback in case of pressure on the
keys, alarms and failure. The acoustic signal can be disabled
by properly setting the relevant ' Installer Parameter '.
TEST FUNCTION FOR LOAD WIRINGS CHECK
Through this function, available at the Installer Parameter
P7, the control unit cyclically activates the loads wired to
the unit so that the installer can verify the accuracy of the
wirings performed.
DISPLAYING THE TEMPERATURE
During normal operation the control unit alphanumeric display
will show the temperatures measured by the probes connected
to it. By pressing the '  ' or '  ' keys it is possible to cyclically
choose which probe temperature will be shown on the display:
 COL  S_2  S_3 
AUTOMATIC / MANUAL / ABC (Automatic Boiler
Control) OPERATION
The control unit can manage the installation selected in 3
different modes:
- AUTOMATIC: in this mode the control unit automatically
manages and controls the operation of the
installation according to the programmed
data (normal controller operation).
- MANUAL: the collector pump is continuously
powered; the only active controls will be
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