Viessmann GC1 - Page 16

Settings
16
Selecting the time programs (continued) Vitotronic 300-K, MW1S
Changing and scanning the time program for domestic hot water heating and the DHW re-circulation pump
The automatic mode is selected in the time program for domestic hot water
and the DHW re-circulation pump, i.e. domestic hot water heating takes place
in parallel with the central heating time program, but starts 30 minutes earlier.
The DHW re-circulation pump runs parallel with the domestic hot water time
program.
If you do not require the automatic mode, you can also set individual time
programs.
The following example shows the steps required for setting a time program
for domestic hot water heating. Follow the same steps when setting the time
program for the DHW re-circulation pump.
To select the automatic mode
(if required)
1. Open the hinged cover on the
programming unit.
2. Press the heating circuit selector
button; the button is illuminated.
3.
Press ; the ”DHW time
program” display appears
in the display window.
4.
/ Press / for ”Automa-
tic?” if ”Automatic?” is not
already shown in the display
window.
5. Press to confirm.
To set an individual time program
1. Open the hinged cover on the
programming unit.
2. Press the heating circuit selector
button; the button is illuminated.
3. Press ; the ”DHW time
program” display appears
in the display window.
4. Press / for ”Indivi-
dual?” if ”Individual?” is not
already shown in the display
window.
5.
Press to confirm.
If you wish to exit the time
program setting mode, press
again (see page 17).
5581 751 v1.1