Potterton SIRIUS THREE FS 50 Installation Manual page 75

Parameter Parameter
number
1612 Reduced temp
setpoint
1620 Release
1640 Legionella function
1641 Legionella funct
periodically
1642 Legionella funct
weekday
1644 Legionella funct time Determines the start-up time of the anti-legionella function
1660 Circulating pump
release
1663 Circulation setpoint
1680 Optg mode
changeover
Tab.57 Menu Boiler Settings
Parameter Parameter
number
2214 Setpoint manual
control
2441 Fan output heating
max
Tab.58 Solar menu (with additional extension module)
Parameter Parameter
number
3810 Temp diff on
3811 Temp diff off
3830 Collector start
function
3831 Min run time
collector pump
3850 Collector overtemp
prot
7609493 - v08 - 24072018
Description
Reduced set point outside release times
Start-up enabled:
Time hot water : This setting provides domestic hot water pro­
duction with a dedicated timer program.
Time setting central heating : The release of domestic hot wa­
ter is done with the same timer program as the heating circuits.
24h/day : Default setting for instantaneous boilers.
Off
Periodically
Fixed weekday
Determines after how many days the anti-legionella function
must be reactivated.
Determines on which day the anti-legionella function must be ac­
tivated.
(Hours / Minutes).
The circulating pump is tripped during the release time:
Time central heating CH3
Hot water release
Time hot water
Time auxiliary
The regulator monitors the temperature measured while the anti-
legionella function is running.
In cases of external switching via the Hx inputs, the regime to
which the switch must be made must first be defined.
None
Off
Description
In manual mode, the flow temperature set point can be set
to a fixed value.
Maximum fan speed in heating mode.
Description
Min. ΔT between the solar collector sensor and the solar
domestic hot water tank for running the solar pump.
Max. ΔT between the solar collector sensor and the solar
domestic hot water tank for shutting down the solar pump.
To measure the temperature on the solar collector correctly
(pipes empty) (--- = deactivated)
Minimum running of the collector pump.
If there is a danger of overheating in the collector, tank
loading continues to eliminate any excess heat.
9 Settings
Factory setting
35°C
Time hot water
Off
7
Monday
– –/– –
Hot water release
45°C
None
Unit Factory set­
ting
°C 80°C
rpm depending
on the mod­
el
Unit Factory set­
ting
°C 8
°C 4
min 30
Seconds 30
°C 120
75