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MAIN MENU
6 720 612 220 GB (05.09)
5.5
Domestic Hot Water
B
Set the required hot water temperature on the
heating appliance.
The heating appliance ensures frost protec-
tion.
For a hot water storage tank with its own temper-
ature control:
B
Set the required hot water temperature at the
hot water storage tank.
Frost protection is only ensured during the
operating mode hot water On.
5.5.1
Program
• Automatic change between hot water On /
Off corresponding to the hot water program
entered.
• On: The heating appliance controls to the hot
water temperature set.
– For a combination appliance: If the ECO
button is not pressed on the heating appli-
ance, hot water is immediately available.
– For a heating system with hot water stor-
age tank: Depending on the tank size and
the hot water consumption, one tank filling
per day is often sufficient (e.g. before the
first or after the last heating phase of the
day).
• Off: The heating appliance controls to approx.
10˚C water temperature which corresponds
to the heating appliance frost protection.
– For a combination appliance: The heat
exchanger inside the heating appliance
does not remain heated, as a result hot
water is not available until after a longer
period of drawing off the hot water.
– For a heating system with hot water stor-
age tank: After a successful tank filling dur-
ing hot water On, hot water remains
available to a limited degree.
Setting options
• Maximum six switching times per day with two
different operating modes (On / Off).
• optionally the same times for each day or dif-
ferent times for each day
• shortest switching period is 15 minutes
(= 1 segment).
Set switching times and operating mode
Week days, switching times and associated
operating modes (On / Off), as described in
detail in Chapter 5.4 on page 20.
5.5.2
Circ. pump runs
This function defines the number of circulation
pump starts per hour during the hot water On
phase. With the setting:
• 0/h the circulation pump always remains inac-
tive.
• 1/h to 6/h the circulation pump remains in
operation at each start for 3 minutes.
• 7/h the circulation pump operates continu-
ously during the hot water On phase.
During the hot water Off phases the circulation
pump remains inactive.
i
Deactivate unrequired switching
times by deleting them.
i
If no circulation pump is present,
the setting in the Menu
Circ.
pump runs
has no effect.