Parameter
number
Parameter Description Factory setting
1620 Release Start-up enabled:
Time hot water : This setting provides domestic hot water prep
aration with a dedicated timer program.
Time setting central heating : Domestic hot water is released
with the same timer program as the heating circuits.
24h/day : Default setting for instantaneous boilers.
Time hot water
1640 Legionella function Off
Periodically
Fixed weekday
Off
1641 Legionella funct
periodically
Determines after how many days the anti-legionella function
must be reactivated.
7
1642 Legionella funct
weekday
Determines on which day the anti-legionella function must be ac
tivated.
Monday
1644 Legionella funct time Determines the start-up time of the anti-legionella function
(Hours / Minutes).
– –/– –
1660 Circulating pump
release
The circulating pump is tripped during the release time:
Time central heating CH3
Hot water release
Time hot water
Time auxiliary
Hot water release
1663 Circulation setpoint The regulator monitors the temperature measured while the anti-
legionella function is running.
45 °C
1680 Optg mode
changeover
In cases of external switching via the Hx inputs, the regime to
which the switch must be made must first be defined.
None
Off
None
Tab.50 Boiler Settings menu
Parameter
number
Parameter Description Unit Factory set
ting
2214 Setpoint manual
control
In manual mode, the flow temperature set point can be set
to a fixed value.
°C 80 °C
2441 Fan output heating
max
Maximum fan speed in heating mode. rpm depending
on the mod
el
Tab.51 Solar menu (with additional extension module)
Parameter
number
Parameter Description Unit Factory set
ting
3810 Temp diff on Min. ΔT between the solar collector sensor and the solar
domestic hot water tank for running the solar pump.
°C 8
3811 Temp diff off Max. ΔT between the solar collector sensor and the solar
domestic hot water tank for shutting down the solar pump.
°C 4
3830 Collector start
function
To measure the temperature on the solar collector correctly
(pipes empty) (--- = deactivated)
min 30
3831 Min run time
collector pump
Minimum running of the collector pump. Seconds 30
3850 Collector overtemp
prot
If there is a danger of overheating in the collector, tank
loading continues to eliminate any excess heat.
°C 120
10 Settings
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