5. Fit the new filter in its housing, checking the direction of fitting.
6. Refit the filter cover.
8.2.4
Impressed current anode
No maintenance operations are required on an impressed current anode.
Important
The control panel for the appliance must remain switched on to
ensure that the impressed current anode can operate. Failure to
comply with this instruction may cause deterioration to the water
heater tank and cancel its warranty.
8.2.5
Checking the safety valve or safety unit
Operate the safety valve or safety unit at least once a month to check that
it is running correctly. This check helps to protect against any pressure
surges that may damage the water heater.
Caution
Failure to comply with this maintenance rule may cause damage
to the water heater tank and invalidate its warranty.
8.2.6
Drain the thermodynamic water heater
To drain the thermodynamic water heater, proceed as follows:
1. Shut off the domestic cold water inlet.
2. Open a hot water tap in the installation.
3. Open the valve on the safety unit.
When the water stops flowing, the thermodynamic water heater is
drained.
Fig.56
C004587-A
5
Fig.57
6
C004588-A
8 Maintenance
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TWH 200 EV
EN-7602142 - v11 - 24042019
