Thermal disinfection
Greenstar FS/Combi FS – 6720810589 (2021/01)
26
▶ Turn DHW thermostat clockwise to max (approx. 158 °F (70 °C)).
6 720 615 065-10.1O
max
1
2
34
5
6
reset
eco
max
1
2
3
4
e
6
Fig. 10 Thermal disinfection
▶ Wait until the maximum temperature has been reached.
▶ Open all DHW taps, from the nearest to the one furthest away, and draw off hot
w
ater until it reaches a minimum of 158 °F(70 °C) at all taps for at least 3
minut
es.
▶ Reset the DHW thermostat, DHW recirculation pump, and heating control to
standar
d operation.
To cancel the thermal disinfection:
▶ Switch the appliance OFF and ON again. The appliance starts up again and the
current supply temperature is displayed.
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