Bosch ZWB28-3A SERIES - 4.7 Setting Frost Protection

20 | Operation
6720872363 (2017/04)Greenstar combi 100 p / 151 p
▶ Turn the boiler high limit dial counterclockwise to .
Fig. 7
For further information, see the operating instructions for the heating control unit
included in the scope of delivery.
4.7 Setting frost protection
Frost protection of the heating system:
▶ Leave the appliance switched ON; turn the boiler high limit dial at least to
position 1.
Fig. 8
For further information, see the operating instructions for the heating control unit
included in the scope of delivery.
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