Viessmann VITOSOLIC 200 Installation And Service Instructions Manual page 58

System examples
System example 8
Required settings on the solar control unit
Main menu
Operator code
Solar options
■ System (see page 95)
Set solar values
■ Tcylset (set cylinder temperature)
■ ΔTon (start temperature differential for solar circuit
pump R1 eE)
■ ΔToff (stop temperature differential for solar circuit
pump R1 eE)
System options
■ Add. fct.
(Additional function for DHW heating)
■ Thermost. 2, function block 1, see page 112)
■ ΔT Fct5 (ΔT function for switching discharge pump
(heating water buffer cylinder) R3 qI, function block
1, see page 112)
■ Thermost. 4, function block 2, see page 112)
■ ΔT Fct6 (ΔT function for switching the primary pump
(preheating cylinder) R6 qR, function block 2, see
page 112)
Set system values
■ Th2on (start temperature for R3)
■ Th2off (stop temperature for R3)
■ ΔT5on (start temperature differential for R3)
■ ΔT5off (stop temperature differential for R3)
■ Th4on (start temperature for R6)
■ Th4off (stop temperature for R6)
■ ΔT6on (start temperature differential for R6)
■ ΔT6off (stop temperature differential for R6)
58
(cont.)
Delivered Setting
condition
0000
1
60 °C
8.0 K
4.0 K
No
No
No
No
No
40 °C Value at the
mixing valve
qO − 10 K
45 °C Value at the
mixing valve
qO − 7K
5.0 K
3.0 K
40 °C Value at the
mixing valve
qO − 10 K
45 °C Value at the
mixing valve
qO − 7 K
5.0 K
3.0 K
0200
1
Yes
Yes
Yes
Yes
Yes
10 K
6 K
10 K
6 K