Viessmann Vitotronic 100 Installation And Service Instructions Manual page 42
Electronic boiler control unit
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Also See for Vitotronic 100:
- Installation and service instructions manual (168 pages) ,
- Operating instructions manual (64 pages) ,
- Operating instructions for the system user (57 pages)
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Coding level 2
Group 4 "Solar"
(cont.)
Coding in the delivered condition
24:40
Start temperature for thermostat
function: 40 °C (code "20:5" or
"20:6" must be set). Start tempera-
ture for thermostat function
temperature
Thermostat function: Thermostat
function e.g. for reheating. Switch-
ing output
the temperature at sensor
below the start temperature for the
thermostat function. Start tempera-
ture for thermostat function
temperature
Thermostat function: Thermostat
function e.g. for utilising excess
heat. Switching output
switched on when the temperature
at sensor
temperature for the thermostat
function.
25:50
Stop temperature for thermostat
function 50 °C (code "20:5" or
"20:6" must be set). Stop tempera-
ture for thermostat function
temperature
Thermostat function: Thermostat
function e.g. for reheating. Switch-
ing output
the temperature at sensor
ceeds the start temperature for the
thermostat function. Stop tempera-
ture for thermostat function
temperature
Thermostat function: Thermostat
function e.g. for utilising excess
heat. Switching output
switched off when the temperature
at sensor
temperature for the thermostat
function.
26:1
Priority for DHW cylinder 1 with
cyclical heating
(code "20:9" must be set)
27:15
Cyclical heating time 15 min
Once the DHW cylinder with priori-
ty is heated up, the DHW cylinder
without priority is heated for a max-
imum duration equal to the set cy-
clical heating time.
28:3
Cyclical pause time 3 min.
42
stop
≤
is switched on when
sS
falls
/
stop
>
is
sS
exceeds the start
/
stop
≤
is switched off when
sS
ex-
/
stop
>
is
sS
falls below the start
/
Possible change
24:0
Start temperature for thermostat
to
function adjustable from 0 to 100 K
24:100
25:0
Stop temperature for thermostat
to
function adjustable from 0 to 100 K
25:100
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
one of the DHW cylinders
27:5
Cyclical heating time is adjustable
to
from 5 to 60 min.
27:60
28:1
Cyclical pause time adjustable from
to
1 to 60 min.
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