DHW thermostat * Typical DHW temperatures
min approx. 104 °F (40
°C)
e approx. 122 °F (50 °C)
max approx. 140 °F (60 °C)
Operation
Greenstar FS/Combi FS – 6720810589 (2021/01)
20
Table 5
ECO button
When the ECO button is unlit, the appliance is in Comf
ort mode.
Pressing and holding the ECO button until its lights up switches from Comf
ort mode
to Economy mode.
• Comf
ort mode (default setting)
The appliance is continually maintained at the set temperature. Consequently,
DHW dra
ws are immediate, however the appliance may run even if no DHW is
being drawn.
• Econom
y mode, ECO button lights up
– DHW is only generated when DHW is drawn.
– On demand: Quic
kly open and close a DHW tap to signal the appliance to
heat to the selected temperature. After a short wait DHW will be available.
The DHW on demand signal allows maximum gas and water savings.
4.7 Setting manual summer mode
In summer mode or warm weather shut down (WWSD), the heating zone pump and
consequently central heating are switched off. DHW generation remains active
following the DHW program.
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