19
Greenstar FS/Combi FS – 6720810589 (2021/01)
Operation
Always set the DHW temperature as low as possible. A lower setting on the
thermostat means a higher rate of energy savings. Futhermore, higher DHW
temperatures result in increased limescale deposits and thereby may impair the
function of the appliance (e.g. longer times for heating up or lower output).
Eco button
Pressing and holding the ECO button until it lights up switches from Comf
ort mode
to Economy mode.
• Comf
ort mode, ECO button is not lit (default setting)
In comfort mode, the DHW tank has priority. The DHW tank is heated to the set
t
emperature first. Then the appliance switches to central heating mode.
• Econom
y mode, ECO button lit
In Economy mode, the appliance alternates between central heating and DHW mode.
4.6 KWB..-3A appliances (combi boilers):
Setting the DHW temperature
▶ Set the DHW temperature on the DHW thermostat *.
The set DHW temperature flashes on the display for 30 seconds.
6 720 641 933-55.1O
max
1
2
34
5
6
reset
eco
max
1
2
3
4
e
6
Fig. 5
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