Carel Hecu CO2 - 3. USER INTERFACE; Hecu CO2 Graphic Terminal (pGDE) Overview; Understanding Hecu CO2 Display Screens

19
ENG
Hecu CO
2
+0300085EN rel. 2.2 - 07.05.2019
3. USER INTERFACE
3.1 Graphic terminal
The Hecu CO2 user interface is the pGDE terminal, in the panel or built-
in version. The functions associated with the 6 buttons on the pGDE
terminal are the same on all screens, and are described in the table.
Functions of the 6 buttons
Button Associated function
(ALARM) Displays the list of active alarms and accesses the alarm log
Used to enter the main menu tree
Returns to the higher level screen
(UP) Scrolls a list upwards or increases the value highlighted by the
cursor
(DOWN) Scrolls a list downwards or decreases the value highlighted by
the cursor
(ENTER) Enters the selected sub-menu or confi rms the set value
Tab. 3.a
The LEDs associated with the buttons have the following meaning.
Meaning of the LEDs
LED Button Meaning
Red
Flashing: active and unacknowledged alarms
Steady: acknowledged alarms
Yellow
Hecu CO2 on
Green
Hecu CO2 powered
Tab. 3.b
3.2 Description on the display
There are three basic types of screens shown to the user:
• Main screen
• Menu screen
• Parameter display/setting screen
Main screen
The main screen is the screen that the Hecu CO2 software automatically
returns to 5 minutes after the last button was pressed. An example of a
main screen is shown in the fi gure, which highlights the fi elds and icons
used:
1
3
2
5
4
Fig. 3.a
1 Time and date
2 Main values
3 Unit status (unit off ) or compressor and fan status (unit on)
4 Active alarm signals and manual operation status
5 Access to further information screens (menu branch Aa) by pressing ENTER
.
Note:
• The information shown on the main screen varies according to
the system confi guration and the control value used (pressure or
temperature).
Menu screen
An example of the menu screens is shown in the fi gure:
Fig. 3.b
The selected item number is shown in the top right corner. The
&
buttons are used to select the desired menu item, while
accesses the
selected item.
Parameter display/setting screen
An example of a parameter display/setting screen is shown in the fi gure,
which highlights the fi elds and icons used:
3
1
2
Fig. 3.c
1 Menu branch identifi er
2 Screen identifi er
3 Parameters
The screen identifi er uniquely identifi es the menu branch and the
screen: the fi rst characters indicate the menu branch, while the last two
alphanumeric digits identify the screen inside the menu; for example,
screen Bab01 is the fi rst screen in menu Bab