Setting Manual Summer Mode - Bosch Greenstar ZBR16-3A Operating Instructions Manual

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.

4.7 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.
NOTICE: 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 ( page 20).
▶ Make a note of the setting of the boiler high limit dial
6 720 818 061 (2015/11)
Operation | 19
.
Greenstar