Direct Digital Controller
Direct Digital Controller fw 4.013 – Ed. 01/2013 145
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 page98 and, for separable plants,
paragraph 4.4.2.5.5 on page90;
If ChronT is enabled, it is necessary to define the "Ambient Setup" indicated in Paragraph 3.4.1.2 and listed
below: for internal ambient temperature:
Differential internal ambient temperature: 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.
If ExtT is enabled, it is necessary to define the “” indicated in paragraph and listed below:
Building time constant: see paragraph 4.4.1.10 page 77
Execution Reset external temperature filter: see paragraph 4.4.1.11 page 77
Set point external ambient temperature: see paragraph 3.4.1.3.1 on page 46;
Differential external ambient temperature: see paragraph 3.4.1.3.2 on page 47.
IIf the WeComp function is activated, the following must be defined:
Climatic curve parameters on page 110
Building time constant:
see paragraph 4.4.1.10 page 77
Execution Reset external temperature filter: see paragraph 4.4.1.11 page 77
Enabling of climatic curve see paragraph 3.4.1.1.1.2 on page 33
Chronothermostat set points see paragraph 3.4.1.2.2 on page 42;
Chronothermostat see paragraph 3.4.1.2.3 on page 43.
Once the user settings required have been programmed, it is possible to proceed with switch-on via the Plant
control menu.
Switching on the plant in CUSTOM mode: Plant control .
Before switching on the plant, ensure that all the operating parameters have been correctly configured.
To access the “Plant control” menu, select "COOLING/HEATING SERVICE CONTROL MENU" see page 11.
The number of buttons enabled in the Plant control menu depends on the choice of the consents.
To gain access to the “Base and separable DHW service control menu” see page 15.
Per further information contact ROBUR’s Technical Support Centre (CST).
4.5.3.2 OTHER CONFIGURATIONS
Once the operating mode has been selected, set the options listed below:
Maximum water setpoint on page116, Min water set-point on page117, Set-point limit base DHW on
page 120 and, for separable plants, paragraph 4.4.2.5.2 Set point range on page 87;
Setting the water thermostating mode see page 110 (Master DDC only);
Units use priority (Master DDC of plants with GAHP- GS/WS only) see paragraph 4.4.2.6.5 on page 98;
Chronothermostat mode (Master DDC of Multi DDC plants only) see on page 118.
4.5.3.3 WATER PUMP MODE (Master DDC only)
Water pump mode (Master DDC only) see paragraph 4.4.2.2 on page 84;
Partial operation mode (Master DDC of Multi DDC plants only) see paragraph 4.4.2.3 on page 85;
Temperature Alarm Setup (Master DDC only) see paragraph 4.4.2.6.7 on page 100;
Alarm output setup see paragraph 4.4.2.4 on page 86.
Once DDC and Plant configuration have been carried out, to switch on the plants follow the indications
regarding the user settings
and the Plant control menu according to the operating mode selected,
as described in the previous paragraphs.
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