17
periods.
• The extracted air flow must be clean (or rather free of grease, soot, chemical and corrosive
substances or explosive and flammable mixtures).
• Never cover the device intake and return to ensure optimal air passage.
Description of CNU control panel functions
The control panel of the units is a graphic keyboard with a screen resolution of 82x156mm and IP65 front pro-
tection. The interface is structured through screens, in which there are written messages, graphic symbols
and numbers. The buttons are located on the black bar at the bottom of the display. From the main screen,
you can view the day of the week at the top, the ambient temperature on the top line and the ambient humi-
dity on the bottom line. There are also status LEDs that indicate current operation of the unit according to the
table described below.
The keyboard is equipped with 6 navigation buttons and value editing buttons with the following functions
(black background for built-in display controls, with white background for LCD display controls):
When alarm pages are displayed, the ENTER button scrolls all the active alarms when pressed.
ENGLISH
Lets you to change the para-
meters or otherwise the cur-
sor.
Displays the pages on the
same level in sequence.
Confirms the value or other-
wise sends commands asso-
ciated with the text on which
the cursor is positioned.
Accesses the main menu if
pressed and held for about 2
seconds.
This button resets the alarm
when pressed and held while
an alarm page is displayed.
Deletes the value or otherwise
requests the default page that
could be associated with the
current page.
This key is used to switch the
machine on or off if pressed
and held for about 2 seconds
Accesses the list of active
alarms if pressed when you are
on the main page.
