Switching Times, Heating Water Buffer Cylinder - Viessmann VITOCAL 300-A Installation And Service Instructions Manual

Heating water buffer cylinder
This function is only available for
system diagram 1 and 2, and in the
delivered condition is set to "NO".
The heating water buffer cylinder is
optional for system diagram 1 and 2;
for system diagram 3 to 10 the heating
water buffer cylinder is required and
preset.
Press the following keys:
1. "Device settings".

Switching times, heating water buffer cylinder

"Switch t buffer cyl." (7201)
Set temperature for fixed value (switching times)
Setting the temperature to which the
heating water buffer cylinder is
heated, if it is to be heated up and if
the "Fixed value" operating mode is
selected for the switching times of the
heating water buffer cylinder.
Operating instructions
Note
& This function is only available for
system diagram 1 and 2 if the
option "Yes" was selected under
"Buffer cylinder".
& The temperature cannot be set
higher than the max. temperature in
the heating water buffer cylinder
(see page 158).
Control settings, heating water buffer cylinder
2. "Programming".
3. "Buffer cylinder".
4. y/x for "Buffer cylinder"
5. "YES"
6. "BACK"
Operating instructions
Press the following keys:
1. "Device settings".
2. "Programming".
3. "Buffer cylinder".
4. y/x for "Fixed temp."
5. 1/! for the selected value.
6. "BACK"
Delivered condition
Setting range
(7200).
to enable.
to confirm.
(7202).
to confirm.
50 °C
10 to 70 °C
157