Operation Manual

15Operating manual VRT 392f 0020044239_01
4.7 Editing screens (examples)
4.7.1 Entering time programmes (example for
heating)
Using the time programmes you can allocate up to three
time windows per weekday, or block of days
(
e.g. Mo - Fr). In these time windows, the heating system
maintains the room temperature that you have selected,
the so-called comfort temperature. Outside the time
windows, the room temperature is set back. The
s
et-back temperature can also be changed.
h
Note
You can save energy without any loss in heating
comfort by finding the best possible match
between the time windows and your lifestyle.
The example below for heating circuit 1 shows
example for the heating circuit. You can define time
windows in a similar way for hot water generation and
for a circulation pump.
Turn the left-hand dial until screen 2
(HC1 time programme) is displayed.
HC 1
Time programme
2
Mo
1 06 : 00 - 10
: 40 21.5 °C
2 : -
:
3 : -
:
> Select day of week
Fig. 4.13 Screen 2 (example)
Turn the right-hand dial until the cursor is
positioned in front of the day or block of days
input field.
Click the right-hand dial.
The field is highlighted.
Select the required day or block of days by turning
the right-hand dial. The following options are
available:
– Mo, Tu, ... etc.
– Mo - Fr (Block)
– Sa - Su (Block)
– Mo - Su (Block)
Confirm the selection by clicking with the
right-hand dial.
1, 2 and 3 indicate the "time windows" which you can
programme for the selected weekday or block of days.
The VRT 392f provides heating in accordance with the
corresponding comfort temperature (e.g. 21.5 °C) within
a specific time window (e.g. from 06:00 am to
10:40
am).
Turn the right-hand dial until the cursor is
positioned in front of the input field for the
starting time of time window 1.
Click the right-hand dial.
The field is highlighted.
Set the start time by turning the right-hand dial.
Each step of the dial changes the time by 10 minutes.
Once the desired starting time is displayed,
confirm this by clicking the right-hand dial.
The end time for window 1 should be set similarly.
The comfort temperature for time window 1 is set as
follows:
Turn the right-hand dial until the cursor is
positioned in front of the input field for the
comfort temperature of time window 1.
Click the right-hand dial.
The field is highlighted.
Select the comfort temperature by turning the
right-hand dial (one step corresponds to a change
of 0.5 °C).
Once the desired comfort temperature is
displayed, confirm this by clicking
the right-hand dial.
h
Note
The VRT 392f assists the operator with the
programming of time windows:
T
he times can only be entered in chronological
order. The time period of a subsequent window
cannot overlap the previous one.
T
he time window must be between 0:00 and
24:00.
An
existing time window can be deleted as
follows: Se the start time and the end time of
a
time window to the same time.
Operation 4