2. Connect the cleaning pump to the valves.
3. Open the valves.
4. Descale using a suitable product.
5. Flush through a neutralisation and passivation product.
6. Rinse the plate heat exchanger with water until a pH of between 6 and
9 is reached.
Fig.174
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2
Fig.175
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3
Fig.176
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4
Fig.177
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6
11 Maintenance
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