
Operating the appliance
|
33
6 720 ... ... (YYYY/MM)
Product Name
9.7
Summer mode ON/OFF
In the Summer mode the heating is turned off but the power to the
appliance and control system are maintained and the DHW mode is on.
Summer mode switch:
▶ Press the
/
button repeatedly until the display shows the
symbol
flashing.
Fig. 46
▶ Press the
ok
button to save the setting.
The tick symbol
is displayed briefly to confirm the setting.
Fig. 47
Summer mode setting:
▶ Press the
/
button repeatedly until the display shows the
symbol
flashing.
▶ Press the
ok
button to save the setting.
The tick symbol
is displayed briefly to confirm the setting.
For more information, refer to the control system manual.
9.8
Setting frost protection
Heating system frost protection:
▶ Set the maximum flow temperature to 30 °C (
Section 9.4.2).
-or-
turn the appliance off:
▶ Drain the heating system down.
For more information please refer to the control system manual.
Cylinder frost protection:
Even when the DHW mode is switched off the cylinder is protected
against frost damage.
▶ Set the DHW mode
to off(
Section 9.5.1).
NOTICE:
Risk of freezing. In summer mode only the frost
protection devices are active.
▶ Frost protection (
Page 33).
6 720 619 605-21.1O
6 720 619 605-17.1O