Direct Digital Controller
148
Direct Digital Controller fw 4.013 – Ed. 01/2013
Select to view which units are the subject of errors or warnings.
In the “Error” screen next to the machine ID, the following symbols appear:
If an error has occurred in the machine.
“Off-line”. If there are connection problems between the machine and the DDC (the off-line may be due to
various causes: the machine is not powered, there are problems on the connection cable, the machine
board is malfunctioning and cannot communicate with the DDC.
If a warning has occurred for the machine.
If no error is present (no symbol appears next to the machine ID).
For two-line hot/cold plants, i.e. for the alternate production of hot/chilled water, the
or
symbols are
active.
Select
to pass to the screens for the modules dedicated to the production of chilled water (
).
Select
to pass to the screens for the modules dedicated to the production of hot water (
).
To access the menu, follow the instructions below:
1 - Select from the main screen.
2 - Select
to access the
“Functional data”
menu.
3 - Turn the knob to select the “Plants” menu, and press the knob to access the menu.
4 - Select the plant for which to view the machine status:
for two-line cooling/heating plants,
for
hot water production plants, or
for chilled water production plants. The
symbol that appears next
to the plant icon indicates that an anomaly is present.
5 - Turn the knob to select the “
Machine status
” menu and press the knob to access the menu.
6 - Select
to move to the Errors screen: next to the identification number of each unit (ID = machine), the
letter E indicates that an error is present.
7 - From either of the two screens a machine ID can be selected by turning the knob and pressing it, access
is gained to the “Machine Information” menu.
8 - To exit, select
.
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