Press
L
.
Only DHW:
&
No central heating.
&
DHW will be loaded (subject to a
DHW cylinder or instantaneous
water heater being installed).
&
Frost protection for the boiler and
the DHW cylinder is active.
Shutting down a heating circuit and DHW heating/loading
Press
K
.
Standby mode:
&
No central heating.
&
No DHW heating.
&
Frost protection for boiler and DHW
cylinder.
Note
The circulation pump will be started
for short periods at regular intervals to
prevent it from seizing up. These
intervals can be modified by your
heating contractor.
Starting DHW only
12
Start-up and shutdown
55
92
453
GB
