Viessmann VITOLIGNO 300-P Service Instructions Manual page 71

Code 2
(cont.)
Coding in the delivered condition
78:1 LON communication ena-
bled
79:1 Control unit is fault man-
ager
7B:1 With LON communication
module:
Control unit transmits the
time
7F:1 Detached house (see
page 118)
80:6 A fault message is dis-
played if a fault is present
for at least 30 s
81:1 Automatic summer/win-
tertime changeover
84:8 Code "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 Code "61:0" or "61:2"
must be selected:
Possible change
77:99 Note
Allocate each number only
once.
78:0 LON communication disa-
bled
79:0 Control unit is not fault
manager
7B:0 Does not transmit time
7F:0 Apartment building (see
page 118)
80:0 Immediate fault message
80:2 A fault message is issued
to after a delay,
80:199 adjustable from 10 to
995 s;
1 step ≙ 5 s
81:0 Manual summer/winter-
time changeover
81:2 The use of the radio clock
receiver is recognised
automatically
81:3 With LON communication
module:
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
Codes
71