Viessmann VITOSOLIC 200 Installation And Service Instructions Manual page 53

System example 7
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
■ 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.
In conjunction with a wall mounted oil/gas boiler
Codes required at the boiler and heating circuit control unit
Code
53:3
5b:1
(cont.)
Function
System without DHW circulation pump:
The circulation pump for cylinder heating 4 is connected to
output sK of internal extension H1 or H2
Internal diverter valve without function
(DHW cylinder connected downstream of the low loss
header)
System examples
Delivered Setting
condition
0000
1
60 °C
8.0 K
4.0 K
No
5.0 K
3.0 K
0200
1
Yes
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