29
3. "DHW" for DHW heating settings
4. "DHW time program"
5. If required, "Heating circuit 1"
or
"Heating circuit 2"
or
"Heating circuit 3"
6. "Individual"
7. to confirm
Note
■
When setting time programs, bear in mind that your
heating system requires some time to heat the DHW
cylinder to the required temperature.
■
Any started water heating process continues until the
set DHW temperature is achieved, even if the time
phase end is reached.
To see how to set a time program: See page 20.
Increased DHW hygiene
This setting can only be made at the Vitotronic 300.
This function allows you to improve the microbiological
quality of the water in the DHW cylinder.
Your contractor can enable this function by providing a
second, higher, set DHW temperature.
Activate this function by setting a fourth time phase for
DHW heating (see page 28). During this time, DHW
will be heated to the second set DHW temperature.
Note
Start and stop times must be set for the second and
third time phases. These may also be within the first
time phase.
One-time DHW heating outside the time program
This setting can only be made at the Vitotronic 300.
In the DHW heating "Time program" you have set the
time phases during which DHW heating is enabled. If
you require hot water outside these time phases, ena-
ble DHW heating using the comfort mode.
Note
One of the following operating programs must be set
for at least one heating circuit in your system:
"Heating and DHW"
"Only DHW"
Tap the following on-screen buttons:
01. If required, for the home screen
02. for the "Main menu"
03. "Heating" for central heating settings
04. "Heating circuit 1"
or
"Heating circuit 2"
or
"Heating circuit 3"
05. "Comfort mode"
06. "ON" to activate "Comfort mode"
07. to confirm
08. to confirm the temperature
09. "Comfort mode"
10. "OFF" to switch off "Comfort mode"
11. to confirm
The water in the DHW cylinder is heated to the
"DHW set temperature".
Setting the "Time program" for the DHW circulation pump
This setting can only be made at the Vitotronic 300.
Vitotronic 300: DHW heating
Setting the "Time program" for DHW heating (cont.)
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