Viessmann Vitoligno 300-P Service Instructions For Contractors page 61

Code 2
(cont.)
Coding in the delivered condition
81:1 Automatic summer/win-
ter time changeover
84:8 Coding "61:0" or "61:2"
must be selected:
The circulation pump for
cylinder heating starts
when the boiler water/
buffer cylinder tempera-
ture (top sensor) exceeds
the actual cylinder tem-
perature by 8 K
85:5 Coding "61:0" or "61:2"
must be selected:
The circulation pump for
cylinder heating stops
when the boiler water/
buffer cylinder tempera-
ture (top sensor) falls
lower than the actual cyl-
inder temperature by the
differential comprising
the cumulative values of
coding addresses "84"
and "85"
86:130 In conjunction with an
integral solar control
unit:
The solar circuit pump
stops when the collector
temperature exceeds 130
°C
8A:175 Do not adjust
Possible change
81:0 Manual summer/winter
time changeover
81:2 The use of the radio clock
receiver will be recognised
automatically
81:3 With LON communication
module:
The control unit receives
the time
84:2 Value adjustable from 2 to
to 10 K
84:10
85:2 Value adjustable from 2 to
to 10 K
85:10
86:110 The solar circuit pump
to stops when the collector
86:199 temperature exceeds the
selected value; adjustable
from 110 to 199 °C
86:200 Without collector limit tem-
perature shutdown
Codes
61