Vitotronic 300, GW2B Installation and Service
5693 982 - 04
114
“Solar” Group
(continued)
Code 2
Coding in the factory set condition
Possible change
25:50
Stop temperature for thermostat function
122°F (50°C).
Start temperature for thermostat function
≤
stop temperature for thermostat function:
Thermostat function e.g. for reheating.
Switching output
sS
is switched off when
the temperature at sensor
/
exceeds
the start temperature for the thermostat
function.
Start temperature for thermostat function
> stop temperature for thermostat function:
Thermostat function e.g. for utilizing excess
heat.
Switching output
sS
is switched off when
the temperature at sensor
/
falls below
the start temperature for the thermostat
function.
25:0
to
25:100
Stop temperature for thermostat function
is adjustable from 0 to 100 K.
26:1
Priority for DHW tank 1 – with alternate
heating.
Only when setting code “20:8”
26:0
Priority for DHW tank 1
– without alternate heating
26:2
Priority for DHW tank 2
– without alternate heating.
26:3
Priority for DHW tank 2
– with alternate heating.
26:4
Alternate heating without priority for one
of the DHW tanks.
27:15
Alternate heating time 15 min.
The DHW tank without priority is heated
at most for the duration of the set alternate
heating time if the DHW tank with priority
is heated up.
27:5
to
27:60
The alternate heating time is adjustable from
5 to 60 min.
28:3
Alternate pause time 3 min.
After the selected alternate heating time for
the DHW tank without priority has expired,
the rise in collector temperature is captured
during the alternate pause time.
28:1
to
28:60
The alternate pause time is adjustable from
1 to 60 min.
