Viessmann VITOLADENS 300-W Installation And Service Instructions Manual page 81

Solar
(cont.)
Coding in the delivered condition
22:8 Start temperature differ-
ential with central heating
backup (code "20:4" must
be selected) 8 K.
23:4 Stop temperature differ-
ential with central heating
backup (code "20:4" must
be selected) 4 K.
24:40 Start temperature for
thermostat function (code
"20:5" or "20:6" must be
selected) 40 °C.
25:50 Stop temperature for
thermostat function (code
"20:5" or "20:6" must be
selected) 50 °C.
26:1 Priority for DHW cylinder
1 with cyclical heating.
(Code "20:9" must be se-
lected).
27:15 Cyclical heating time
15 min.
The DHW cylinder with-
out priority is heated at
most for the duration of
the set cyclical heating
time if the DHW cylinder
with priority is heated up.
28:3 Cyclical pause time
3 min.
Possible change
22:2 Start temperature differen-
to tial adjustable from 2 to
22:30 30 K
23:2 Stop temperature differen-
to tial adjustable from 1 to
23:30 29 K
24:0 Start temperature for ther-
to mostat function adjustable
24:100 from 0 to 100 K.
25:0 Stop temperature for ther-
to mostat function adjustable
25:100 from 0 to 100 K.
26:0 Priority for DHW cylinder 1
without cyclical heating.
26:2 Priority for DHW cylinder 2
without cyclical heating.
26:3 Priority for DHW cylinder 2
with cyclical heating.
26:4 Cyclical heating without
priority for either DHW cyl-
inder.
27:5 The cyclical heating time is
to adjustable from 5 to
27:60 60 min.
28:1 Cyclical pause time is ad-
to justable from 1 to 60 min.
28:60
Code 2
81