Wolf CGB-11 Installation Instructions Manual page 42

- Clean the heat exchanger with a brush.
Versions with coated heat exchanger must
only be cleaned with a plastic brush.
- Clean the condensate pan.
- When you notice a loss of water, check the expansion vessel
inlet pressure and increase it, if required, to 0.75 bar. The
heating circuit must be at zero pressure.
42
Maintenance
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