Display; Changing The Set Point; Alarm Indication; Manual Drain Command - Carel heaterSteam User Manual

10.2.3 Display

The panel shows the current functional parameter programmed (with the code C0, see Reading and programming the
configuration parameters).
Normally this is:
the measurement of probe no. 1 (ambient humidity or temperature), in appliances with autonomous regulation;
steam production in appliances with slave regulation.
Pressing the SEL button displays for one second the unit of measure of the measurement displayed.
Pressing the button shows the measurement of probe 1 (if fitted), preceded for 1 second by the corresponding unit of
measure. The display is valid even in the event where the probe is not connected.
Pressing the button shows the measurement of probe 2 (if fitted), preceded for 1 second by the corresponding unit of
measure. The display is valid even in the event where the probe is not connected.
To display the Set Point (value of main setting):
press the SEL button for around 2 seconds, until St appears (see Fig. 10.2.3.1);
on releasing the button, the unit of measure of the Set Point is displayed for 1 second, and finally the current set value.
Fig. 10.2.3.1
Furthermore, the frequently-used functional parameters can also be displayed, that is those more commonly used by the
appliance: to do this, follow the instructions in: Reading and programming the regulation parameters - reading the
measurements.

10.2.4 Changing the Set Point

To change the Set Point (main regulation setting), follow the instructions in: Reading and programming the Set Point.

10.2.5 Alarm indication

In the event of an alarm state, the LED 9 (see Fig. 10.2.1.1) starts flashing, while the display shows the alphanumeric alarm
code, alternating every 2 seconds with the programmed value of the functional parameter.
If more than one alarm is indicated, the display shows all the corresponding codes in sequence, at 2 second intervals.
At the same time, the control module activates the alarm relay (see ELECTRICAL CONNECTIONS). To interpret the type
of alarm, refer to: ALARMS AND TROUBLESHOOTING. The control module will continue to indicate the alarm state
(even if it is no longer active) until the reset button is pressed; still active alarm states can not be reset.

10.2.6 Manual drain command

In the first 5 seconds from the start-up of the unit (during the autotest sequence: see Fig. 10.2.2.2), press the
at the same time. After 2 seconds the drain electrovalve is activated, until the buttons are released. When the buttons are
released, the command can be repeated within 5 seconds, otherwise the humidifier must be switched off and on again.
Carel code +030221761
32
preliminary version - rel. 2.0 - 03/09/99
Press for 2 seconds
and
heaterSteam
buttons