Bosch Greenstar Owner's Manual

18 | Operation
6 720 806 993 (2013/03)Greenstar
ECO button
Pressing and holding the ECO button until it lights up switches between Comfort
mode and Economy mode.
Comfort mode, ECO button is not lit (default setting)
In Comfort mode, the DHW tank has priority. The DHW tank is heated to the set
temperature first. Then the appliance switches to central heating mode.
Economy mode, ECO button lit
In Economy mode, the appliance alternates between central heating mode and
DHW mode.
4.6 ZWB..-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.
Fig. 8
DHW thermostat Typical DHW temperatures
min approx. 104 °F (40 °C)
e approx. 122 °F (50 °C)
max approx. 140 °F (60 °C)
Table 5
6 720 641 933-55.1O
max
1
2
34
5
6
reset
eco
max
1
2
3
4
e
6