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Translation from original instructions
5.7 Control panel
This line of units is managed with a parametric electronic microprocessor controller.
The next sections describe the basic operations, such as starting and stopping the unit, changing the operating mode from
cooling to heating and vice versa (in units with heat pump), and changing the set point.
For the other operations, refer to the manual of the control that is an integral part of the documentation of the unit.
5.7.1 Parametric control
The following instructions are for the main screen of the control, which is displayed in normal operating conditions.
Fig. 5 Display of the parametric control
5.7.1.1
Switching the unit on/off
Normally, the units are shipped with standard programming for switching on and off from the keypad. The following in-
structions refer to this configuration.
To start the unit in cooling mode from the keypad, press and hold down the following button for 5 seconds:
.
Units that can also operate in heating mode may be started in cooling mode as described above, or in heating mode by
pressing and holding down the following button for 5 seconds: .
To switch off the unit from the keypad, press the button with the same symbol present on the display and hold it down for
5 seconds.
If you want to use the digital input for switching the unit on/off, the function must be enabled on the control-
ler.
For management of unit switch on/off from digital input, a potential free contact must be used and connected between the
terminals indicated in the wiring diagram with "IE" or "IE1".
With the input closed, the unit is switched on, and with the input open, it is stopped.
To enable the switch on/off function from digital input on the controller:
press, for 5 seconds, button
;
select the "H" parameters using buttons
or ;
confirm with button
;
select the "H07" parameters using buttons
or ;
confirm with button
;
change the set value from "00" to "01" with buttons
or ;
confirm with button
;
return to the main screen by pressing, three times, button .
When switching on and off from digital input is enabled, buttons
and remain operational but allow the unit to be star-
ted and stopped in the respective operating mode only when the digital input is closed.
