Sd Memory Card Slot; Overview Of Basic System Layouts - Viessmann SCU345 Manual

2.4

SD memory card slot

The controller is equipped with an SD card slot for
storing system data onto an SD card. The values
can be opened and visualized, e. g. in a spreadsheet
programme.
A standard SD card is not included with the
SCU345.
For more information about using an SD card, see
page 61, "SD card".
Standard SD and SD-HC cards can be used.
6
2.5

Overview of basic system layouts

1 2
2-tank system with valve logic, 1 2-tank solar system with valve
pump, 3 sensors and 3-port valve logic and heat exchange control
(page 7)
(page10)
4 5
2-tank solar system with pump 3-tank solar system with valve
logic and heat exchange control logic and heat exchange control
(page 16) (page 19)
7 8
Solar system with vertical tank Solar system with east-/west col-
loading and 2 tanks (page 25) lectors and 2 tanks (valve logic)
(page 28)
Note
The SCU345 can also be used to control
1-tank systems. For 1-tank sytsems, select
system 1 or system 3, and turn sub channel I
setting LST2 off. (page 45)
3
2-tank solar system with pump
logic (page 13)
6
3-tank solar system with pump
logic and heat exchange control
(page 22)
9
3-tank solar system with east-/
west collectors (page 31)