26 | Operation
6 720 644 144 (2010/09)
4.7 Summer mode (central heating off, DHW
only)
B Note position of CH flow temperature control .
B Turn CH flow temperature control anti-clockwise as far as
the stop .
The heating circuit pump and consequently central heating are
switched OFF. However, the DHW supply as well as the power
supply to the heating programmer and timer remain 'live'.
Fig. 12
Additional instructions are contained in the operating instructions
for the heating programmer.
NOTE: Heating system at risk from frost.
6 720 644 143-30.1O
eco
reset
max
1
2
3
5
6
max
1
2
3
4
e
6
min
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