Operating instructions

29
Summer mode
Heating program " ".
At warmer times of the year, i.e. when
the rooms do not have to be heated, you
can stop heating mode. The boiler
remains enabled for DHW heating.
Cylinder primary pump
Circulation pump for heating the DHW in
the DHW cylinder.
Drinking water filter
A device that removes solids from the
water. The drinking water filter is instal-
led in the cold water pipe upstream of the
DHW cylinder or the instantaneous
water heater.
Terminology
(cont.)
5592 669 GB