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Warnings
19. User instructions
The water heater must be drained if the absence mode cannot be used or when the
appliance is switched off. Proceed as follows:
Switch off the power supply.
Close the cold water supply to the safety unit.
Open a hot water tap.
Open the safety unit drain valve.
20. Maintenance
In order to maintain the performance capabilities of your water heater, performing regular
maintenance is recommended.
20.1. User maintenance
What?
General condition:
Flow of condensates:
40
Description
Installation
MAINTENANCE
When?
Once a month Check the general condition of your
appliance (no Err code displayed, no water
leaking from the connections, etc.).
Once a year
Check the cleanliness
of the condensates
discharge tube.
Maintenance
How?
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