Viessmann VITODENS 200-W Service Instructions Manual page 72

Code 2
Solar/Group "4"
(cont.)
Coding in the delivered condition
11:50 Set solar cylinder temper-
ature 50 °C.
■ Target temperature
control switched ON
(code 10:1):
Temperature at which
the solar heated water
in the DHW cylinder is
to be stratified.
■ Extended control func-
tions set to heat two
DHW cylinders (code
20:8):
If the actual tempera-
ture of a DHW cylinder
reaches the selected
set cylinder tempera-
ture, heating is trans-
ferred to the second
DHW cylinder.
12:20 Minimum collector tem-
perature 20 °C.
The solar circuit pump is
not started until the mini-
mum collector tempera-
ture set at the collector
temperature sensor is
exceeded.
72
Possible change
11:10 The set cylinder tempera-
to ture for solar is adjustable
11:90 from 10 to 90 °C
12:0 Minimum collector temper-
ature function switched
OFF
12:1 The minimum collector
to temperature is adjustable
12:90 from 1 to 90 °C