81
Coding in the delivered condition
Possible change
20:0
No extended control function ena-
bled
20:1
Auxiliary function for DHW heating
20:2
Differential temperature control 2
20:3
Differential temperature control 2
and auxiliary function
20:4
Differential temperature control 2 for
central heating backup
20:5
Thermostat function
20:6
Thermostat function and auxiliary
function
20:7
Solar heating via external heat ex-
changer without additional tempera-
ture sensor
20:8
Solar heating via external heat ex-
changer with additional temperature
sensor
20:9
Solar heating of 2 DHW cylinders
22:8
Start temperature differential for
central heating backup 8 K (code
"20:4" must be set)
22:2
to
22:30
Start temperature differential adjust-
able from 2 to 30 K
23:4
Stop temperature differential for
central heating backup 4 K (code
"20:4" must be set).
23:2
to
23:30
Stop temperature differential adjust-
able from 1 to 29 K
24:40
Start temperature for thermostat
function 40 °C (code "20:5" or
"20:6" must be set).
24:0
to
24:100
Start temperature for thermostat
function adjustable from 0 to 100 K
25:50
Stop temperature for thermostat
function 50 °C (code "20:5" or
"20:6" must be set).
25:0
to
25:100
Stop temperature for thermostat
function adjustable from 0 to 100 K
26:1
Priority for DHW cylinder 1
with
cyclical heating (code "20:9" must
be set).
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
cy-
clical heating
26:4
Cyclical heating without priority for
either of the DHW cylinders
27:15
Cyclical heating time 15 min.
Once the DHW cylinder with priori-
ty has heated up, the DHW cylin-
der without priority is heated for a
maximum duration equal to the set
cyclical heating time.
27:5
to
27:60
Cyclical heating time is adjustable
from 5 to 60 min.
28:3
Cyclical pause time 3 min.
After the set cyclical heating time
for the DHW cylinder without priori-
ty has expired, the rise in collector
temperature is captured during the
cyclical pause time.
28:1
to
28:60
Cyclical pause time adjustable from
1 to 60 min.
Code 2
"Solar"
(cont.)
5678 044 GB
Codes
Summary of Contents for D2RA
Page 113: ...113 Maintenance Checking the Vitotronic 200 H accessories cont 5678 044 GB Maintenance ...
Page 133: ...133 Parts lists Sorption module hydraulics cont 5678 044 GB Components ...
Page 136: ...136 0001 0002 0003 0004 0005 Fig 83 Parts lists Miscellaneous 5678 044 GB Components ...
Page 163: ...163 5678 044 GB ...