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13.5 Replacement of parts
The operator must ensure that parts that are subject to wear and ageing during the life of the product
Details of the replacement cycles can be found in the maintenance manual from BWT.
13.6 BWT professional maintenance
Regardless of how the outlet water is used, the manufacturer recommends having a professional main-
tenance performed at least every 24 months.
13.7 Stoppages and re-activating the unit
In case of expected stagnation phases, take the
following preventive measures:
BWT recommendations for restarting a unit
after stagnation phases:
Fewer than 3 days:
None
Start-up rinse of the product. Then open all taps to
rinse the system.
3 to 30 days:
Use the controller to put the product in Holiday
mode. For information about activating Holiday
mode, see chapter 50.
For information about deactivating Holiday mode,
see chapter 50.
1 to 6 months:
-
uct via the controller. Then remove the mains plug.
Have BWT after-sales service perform a regen-
eration of both exchanger columns using Dioxal
disinfectant.
Then open all taps to rinse the system.
Longer than 6 months:
Disconnect the building’s water system from the
municipal water system.
Disconnect the product from the water supply
unit down.
Reconnect the unit to the municipal drinking water
system.
Have BWT after-sales service perform a regen-
eration of both exchanger columns using Dioxal
disinfectant.
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