Viessmann VITOSOLIC 200 Installation And Service Instructions Manual page 20

System examples
System example 2
Required settings on the solar control unit
Main menu
Operator code
Solar options
■ System (see page 99)
■ Hyd. Type (see page 99)
Set solar values
■ Tcylset (set cylinder temperature)
■ Tcyl2set (set buffer cylinder temperature)
■ ΔTon (start temperature differential for solar cir-
cuit pump R1 eE)
■ ΔToff (stop temperature differential for solar cir-
cuit pump R1 eE)
■ ΔT2on (start temperature differential for solar cir-
cuit pump for buffer cylinder heating R4 eT)
■ ΔT2off (stop temperature differential for solar cir-
cuit pump for buffer cylinder heating R4 eT)
■ Priority Cyl1
■ Priority Cyl2
Solar contractor
■ t-stop (duration of the pump runtime interruption)
■ t-circ. (break intervals)
■ ΔT Col
During the t-stop time the collector temperature
must rise by the value of ΔT Col to change over
to heating the consumer with priority 1.
System options
■ Add. fct.
(Additional function for DHW heating)
■ ΔT Fct6 (ΔT function for switching the three-way
diverter valve R6 rZ, function block 2, see
page 112)
Set system values
■ ΔT6on (start temperature differential for R6)
■ ΔT6off (stop temperature differential for R6)
For pump speed, see page 139.
20
(cont.)
Delivered Setting
condition
0000
1
1
60 °C
60 °C
8.0 K
4.0 K
8.0 K
4.0 K
1
2
2 minutes
15 minutes
2 K
No
(if a DHW circu-
lation pump is
connected)
No
5.0 K
3.0 K
0200
3
2
Yes
Yes