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Alarm status (from any page it links with the page with alarm list, alarm log and alarm snapshot if available).
INFO
Back to Main Page.
ESC
Back to the previous level (it can be the Main Page).
Wheel
Button
Used to scroll between the different menu pages, settings and data available on the HMI for the active
password level. Rotating the wheel allows to navigate between lines on a screen (page) and to increase and
decrease changeable values when editing. Pushing the wheel acts as an Enter Button and will jump from a
link to the next set of parameters.
3.1
Navigating
When power is applied to the control circuit, the controller screen will be active and display the Home screen, which can
also be accessed by pressing the Menu Button. The navigating wheel is the only navigating device necessary, although
the MENU, ALARM, and BACK buttons can provide shortcuts as explained previously.
An example of the HMI screens is shown in the following picture.
M a i n
M e n u
1 / 11
E n t e r
P a s s w o r d
U n i t
S t a t u s =
O f f :
U n i t
S W
A c t i v e
S e t p t =
7 . 0 ° C
A bell ringing in the top right corner will indicate an active alarm. If the bell doesn’t move it means that the alarm has be en
acknowledged but not cleared
because the alarm condition hasn’t been removed. A LED will also indicate where the alarm
is located between the unit or circuits.
M a i n
M e n u
1 /
E n t e r
P a s s w o r d
U n i t
S t a t u s =
O f f :
U n i t
S W
A c t i v e
S e t p t =
7 . 0 ° C
The active item is highlighted in contrast, in this example the item highlighted in Main Menu is a link to another page. By
pressing the push’n’roll, the HMI will jump to a different page. In this case the HMI will jump to the Enter Password page.
E n t e r
P a s s w o r d
2 / 2
E n t e r
P W
* * * *
3.2
Passwords
The HMI structure is based on access levels that means that each password will disclose all the settings and parameters
allowed to that password level. Basic informations about the status can be accessed without the need to enter the
password. The user UC handles two level of passwords:
USER
5321
MAINTENANCE
2526
The following information will cover all data and settings accessible with the maintenance password. User password will
disclose a subset of the settings explained in chapter 4.
In the Enter Password screen, the line with the password field will be highlighted to indicate that the field on the right ca n
be changed. This represents a setpoint for the controller. Pressing the push’n’roll the individual field will be highlighted to
allow an easy introduction of the numeric password. By changing all fields, the 4 digits password will be entered and, if
correct, the additional settings available with that password level will be disclosed.
E n t e r
P a s s w o r d
2 / 2
E n t e r
P W
5 * * *
The password will time out after 10 minutes and is cancelled if a new password is entered or the control powers down.
Entering an invalid password has the same effect as continuing without a password. It is changeable from 3 to 30 minutes
via the Timer Settings menu in the Extended Menus.
