Viessmann VITOSOLIC 200 Installation And Service Instructions Manual page 47

System example 6
Main menu
Set system values
■ ΔT6on (start temperature differential for R6)
■ ΔT6off (stop temperature differential for R6)
For pump speed, see page 139.
Required settings at the freshwater module control unit
Main menu
Options
■ Return dist. (return distribution)
Setting values
■ ΔT-RVon (start temperature differential for return
valve R3 qQ)
■ ΔT-RVoff (stop temperature differential for return
valve R3 qQ)
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
5.0 K
3.0 K
Delivered Setting
condition
OFF
5.0 K
5.0 K
ON
47