Operation | 19
6720872363 (2017/04)
Greenstar combi 100 p / 151 p
ECO button
Pressing and holding the ECO button until it lights up switches between Comfort
mode and Economy mode.
• Comfort mode (default setting)
The appliance is continually maintained at the set temperature. Consequently,
DHW draws are immediate, however the appliance may run even if no DHW is
being drawn.
• Economy mode, ECO button lights up
– DHW is only generated when DHW is drawn.
– On demand: Quickly 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.
4.6 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.
NOTICE:
Material damage due to frost!
Heating system at risk of freezing. In manual summer mode, only the appliance is
protected from freezing.
▶ Observe frost protection measures where there is a risk of freezing.
▶ Make a note of the setting of the boiler high limit dial .
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