Operation Programming Unit; Operating Information; Symbols On The Display - Viessmann PLC VITOCAL 350-HT PRO Operating Instructions For The System User

Operation
Programming unit

Operating information

You can change all heat pump control unit settings at
the programming unit.
The programming unit is equipped with a touchscreen.
To input settings and call up information, tap the on-
screen buttons.
The display boots up as soon as you touch the display.
The homepage appears.

Symbols on the display

For the symbols on the buttons, see page 9.
Valves and circulation pumps
Fig. 1
Shut-off valve
A
Green: Open
Grey: Closed
Circulation pump
Green: In operation
Grey: OFF
8
If the screen is not touched for 5 minutes, the display
returns automatically to the homepage.
If the screen is not touched for 15 minutes, the display
switches off automatically.
3-way mixing valve with one inlet and 2 controlla-
ble outlets. The degree of opening is given as a
percentage.
100 %: Outlet straight through the valve is fully
open.
0 %: Outlet to the bypass is fully open.