Robur Direct Digital Controller, Инструкция по установке, использованию и программированию

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Direct Digital Controller
12
Direct Digital Controller fw 4.013 – Ed. 01/2013
Button for enabling/disabling General water T timer . It enables/disables the use of the
switching-on timing for all the units.
ƒ
To disable the general water T timer turn the knob and position the cursor on
then press the knob. The button will appear thus , indicating that the water T timer
has been disabled and that the corresponding switch will be closed (ON status).
ƒ
To enable the general water T timer turn the knob and position the cursor on and
then press the knob. The button will appear thus , indicating that the water T timer
has been enabled. The corresponding switch will be closed or opened according to
whether the time falls within a programmed timer cycle (see Paragraph
3.4.1.1.1.3 ,
programming the general water T timer).
The symbol indicates that the button has been disabled and that it is not possible
to select it (switch with ON status).
Button for enabling/disabling Partial water T timer ( button enabled only for Multi DDC
plants ). This button allows the user to choose whether to program a switch-on time or not
only for the units managed by the individual DDC.
ƒ
To disable the partial water T timer, turn the knob to position the cursor on and
press the knob. The button will appear thus , indicating that the partial water T
timer has been disabled and the corresponding switch will be closed (ON status). The
partial water T timer is in any case disabled if the General water T timer is disabled.
ƒ
To enable the partial water T timer, turn the knob and position the cursor on then
press the knob. The button will appear thus , indicating that the Partial water T
timer has been enabled. The corresponding switch will be closed or opened according
to whether the time falls within a programmed Partial water T timer cycle (see
Paragraph
3.4.1.1.1.4 for the programming the Partial water T timer).
The symbol indicates that the button has been disabled and that it is not possible
to select it (switch with ON status).
Chronothermostat activation/deactivation button;
This button is enabled in one of the following due cases and assumes different functions,
described below:
1- The room chronothermostat is active depending on the internal room probe (ambT
mode or equivalent, CUSTOM mode and "ChronT" active).
In this case:
•
To disable the chronothermostat, turn the knob and position the cursor on
and then press the same. The button takes on the following aspect indicating
that the chronothermostat has been deactivated and the corresponding switch is
closed (ON status), i.e. the system
DOES NOT regulate the internal room
temperature).
•
To enable the chronothermostat, turn the knob and position the cursor on
and then press the same. The button will appear thus , indicating that
the chronothermostat is enabled. The corresponding switch will be opened or
closed depending whether the room temperature satisfies the active room set-
point on the basis of chronothermostat programming. This means the system
regulates the internal room temperature on the basis of chronothermostat
programming (for further information see paragraph 3.4.1.2.3
“ Chronothermostat ”)
.