Direct Digital Controller
Direct Digital Controller fw 4.013 – Ed. 01/2013 95
4.4.2.6.3 Rated plant power
The rated plant power can be set only for heating and 2-line cooling/heating plants and only if auxiliary boilers
are operating in “Complement & Substitution” mode (see paragraph 4.2 on page 55).
To set the rated plant power, proceed as follows.
1 - Select
from the initial screen to gain access to the main menu.
2 - Select
to gain access to the System installation.
3 - If required, enter the installer password on the numerical keypad that appears on the display.
4 - Select “Plants” from the drop-down menu.
5 - Select the plant for which the differential is to be set:
for two-line cooling/heating plants, for
hot water production plants, or
for chilled water production plants.
6 - Turn the knob to scroll the cursor downward until highlighting “Base plant part” and press the knob.
7 - Select "Rated Plant Power" from the drop-down menu.
8 - Position the cursor on
next to the option that is to be set: "Default" or "Custom".
9 - Press the knob to activate the option. The
symbol indicates that the option has been enabled .
10 - Select “Custom” to change the power value (expressed in kW).
11 - To exit, select
.
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