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Working with the main menu | 27
5.4.2 Setting the DHW temperature
The DHW temperatures for the DHW and DHW reduced
operating modes can be set in this menu.
Menu: Temperature settings
5.4.3 Setting the time program for DHW heating
The time program for DHW heating can be adjusted in this
menu.
Linking the time program for DHW to the time program for
the heating system
In the default settings, DHW is heated based on a separate time
program.
• If Own time program is set, the DHW operating mode is
active daily from 05:00 (from 07:00 on Saturdays and
Sundays) until 23:00 (time program default settings). If
DHW heating is via a combi boiler, the keep hot function is
active at the same times. In both cases the keep hot
function is switched off during the night.
• If As heating circuit time program is set, DHW heating is
active in the DHW operating mode for half an hour before,
during and after each heating phase of all heating circuits.
Menu: Time program
The temperature setting for the DHW reduced
operating mode is only available if a DHW
cylinder is installed in the DHW system.
Menu item description
DHW Desired DHW temperature (15 ... 60 °C
1)
)
for the DHW operating mode. If automatic
mode is active, the DHW time program will
switch to this temperature at the start of
every heating phase for which
corresponding settings have been made.
This temperature cannot be set lower than
the temperature for DHW reduced.
1) Your contractor can change the maximum value in the
service menu.
DHW reduced Required DHW temperature for DHW
reduced operating mode. If automatic mode
is active, the time program will switch to this
temperature at the start of every heating
phase for which corresponding settings have
been made.
Table 22 Temperature settings for DHW
If a DHW system without a DHW cylinder is
installed (DHW heating with a combi heater),
only the On and Off operating modes will be
available in the time program. If Off operating
mode is active, the keep hot function is off.
Consequently, hot water will only be available
after running the hot tap for a while.
Menu item Description
Operating Mode • DHW heating can be linked to the
time program for the heating
system (As heating circuit time
program, Æ page 27).
• You can use the Own time
program to set a time program for
DHW heating that works
independently of the time program
for the heating system.
• If Always on - DHW red. or Always
on - DHW is set, the DHW heating is
active constantly.
• In case of Off there is no DHW
heating/keep hot.
My DHW time
program
6 switching times can be set for each
day or group of days. One of up to three
operating modes can be assigned to
each switching time in automatic mode.
The minimum duration of a time slot
between two switching times is
15 minutes.
Reset prog. The time program for the DHW system
is reset to the default setting with this
menu item.
Table 23 Time program settings for DHW
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