45
5
Remove heat exchanger
Slide the heat exchanger out of the hous-
ing.
Cleaning the heat exchanger
Clean the heat exchanger: Use a pipe
cleaner to remove fouling in the pipes.
Then rinse the heat exchanger pipes with
clean water.
Ensure that both heat exchanger end
chambers are free from dirt.
Cleaning the heat exchanger
Maintenance
VD01020 VD01021 STM7217
6
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