Direct Digital Controller
Direct Digital Controller fw 4.013 – Ed. 01/2013
137
The figure on the right shows the on/off commands active for AmbT
operating mode. The symbol, next to the text description of the
command, indicates that the command is enabled. AmbT operating
mode allows 3 commands to be enabled:
GenPwr Plant master switch for switch-on and switch-off;
GrpPwr Plant partial switch for switch-on and switch-off;
ChronT
Chronothermostat
on/off command; the command
enables the
button in the “
Plant control
” menu.
The on/off commands present in AmbT operating mode are predefined and may not be modified. It is,
however, possible to exclude some of them by configuration of the
“Plant control” menu
. Configuration of
AmbT operating mode is then completed with the user settings described in “
Water Setup
” (Paragraph
3.4.1.1).
Default set point
see paragraph
3.4.1.1.1.1
on page
31
;
Water Differential
see paragraph
4.4.2.6.1
on page
93
and, for separable plants, paragraph
4.4.2.5.3
on
page
88
;
Regulation parameters
see paragraph
4.4.2.6.4
on page
96 and
, for separable plants, paragraph
4.4.2.5.4
on page
89;
Differential
see paragraph
3.4.1.2.1
on page
41
;
Chronothermostat set points
see paragraph
3.4.1.2.2
on page
42
;
Chronothermostat
see paragraph
3.4.1.2.3
on page
43
.
In the presence of third party boilers:
Auxiliary boiler operation
see paragraph
4.4.2.6.2
on page
94;
Rated plant power
see paragraph
4.4.2.6.3
on page
95;
In the case of common water pumps managed by RoburBox:
RoburBox water pump delay
see paragraph
4.4.2.6.5
on page
98
and, for separable plants,
paragraph
4.4.2.5.5
on page
90
;
Once user settings have been programmed, it is possible to proceed to activation via the “
Plant control
“
menu.
Activation of the plant in AmbT mode: Plant control
.
Before switching on the system, ensure that all operating parameters have been correctly configured
(temperature set point, thermostating, differential, regulation parameters, etc).
To access the
“Heating/Cooling Plant control”
menu, select
from the main menu.
The figure on the right shows the Plant control menu screen and the
relative buttons/commands that are described below.
Main ON/OFF switch. Turn the knob to position the cursor on the button and press the same to activate
it (symbol of the ON/OFF button in the ON position
).
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