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15Operating Manual VRC 430 0020042468_02
Display
screen
Title display
screen
adjustable operat-
ing values
(only display = A)
Remarks Unit Min.
value
Max.
value
Step
dis-
tance
Preset
value
10
Hot water param-
eters
Hot water target
value
Set target temperature
for hot water genera-
tion
°C 35 70 1,0 60
14
Changing the
name
Heating circuit 1 You can enter any
name containing up to
8 characters
Heating cir-
cuit 1
Hot water Hot water
15
Release code level Code number Access for the expert
technician only by ente-
ring saved code number
1000
Table 4.4 Screens in the operating level for the operator (con-
tinued)
4.7 Changing the displays (examples)
4.7.1 Entering time programmes (example for
heating circuit)
The timer programmes can be used to specify up to
three time periods for each day or each block of days
(e.g. Mo - Fr). During these time periods the heating
control system maintains the set room temperature, the
so-called comfort temperature. The temperature is set
back outside these time periods.
h
Note!
If you carefully adjust the time window accord-
ing to your lifestyle, you will save energy with-
out losing your heating comfort.
The procedure for setting the time windows is described
below heating circuit 1 as an example Time windows can
be set in the same way for the hot water preparation
and for a circulation pump.
Turn the left-hand dial until the screen 2, HC1 timer
programme, appears .
1
> Select day of week
21.5 °C
HC1
2
Mo
2
Time programme
3
06 : 00 - 10 : 40
: - :
: - :
Fig. 4.13 Screen 2 (example)
Turn the right-hand dial until the cursor
is located
in front of the input field for a day or block of days.
Press the right-hand dial.
The input field is highlighted.
Turn the right-hand dial to select the day or block of
days. The following selections are available:
Mon, Tue, ... etc.
Mon - Fri (Block)
Sat - Sun (Block)
Mon - Sun (Block)
Confirm your selection by pressing right-hand dial.
1, 2 and 3 on the screen refer to the "time window" that
you can set for the selected day or block of days. Within
the time window (e.g. from 06:00 am to 10:40 am)
the controller regulates the heat as per the comfort
temperature (e.g. 21.5 °C).
Rotate the right-hand dial until the cursor
is locat-
ed in front of the field for the entering start time for
time window 1.
Press the right-hand dial.
The input field is highlighted.
Select the start time by rotating the right-hand dial.
The time jumps in ten-minute increments for every turn
(click) of the dial.
When the start time is displayed, confirm by clicking
the right-hand dial.
Operation 4
15


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