Viessmann VITOLIGNO 300-P Service Instructions Manual page 72

Codes
Code 2
(cont.)
Coding in the delivered condition
The circulation pump for
cylinder heating stops
when the boiler water/
buffer cylinder tempera-
ture (top sensor) falls
below the actual cylinder
temperature by the differ-
ential comprising the val-
ues 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
90:128 Time constant for calcu-
lating the adjusted out-
side temperature 21.3 h
91:0 Connection at terminals 1
and 2 in plug aVD disa-
bled (external heating
program changeover)
(see page 125)
94:0 Do not adjust
95:0 Without Vitocom 100
96:0 Do not adjust
97:0 With LON communication
module:
The outside temperature
of the sensor connected
to the control unit is only
utilised internally
72
Possible change
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
90:1 Fast (low values) or slow
to (high values) matching of
90:199 the flow temperature, sub-
ject to the set value when
the outside temperature
changes;
1 step ≙ 10 min
91:1 Contact affects the follow-
ing heating circuits:
Heating circuit 1
91:2 Heating circuit 2
91:3 Heating circuits 1 and 2
95:1 With Vitocom 100;
automatic recognition
97:1 The control unit receives
the outside temperature
from the LON subscriber
97:1 The control unit transmits
the outside temperature to
the LON subscriber