Guide book
Instantaneous water heater system WM 400 V
Page 15 from 17
8.3 Heater:
Clean the sieve:
1. Turn off the cold water at the stop (1)
2. Loose the cap nut (3) with the key SW 24
3. Remove and clean the sieve (2)
4. Reassemble in reverse order
5. Open the cold water at stop; control the impermeability
1= cold water connection with stop
2= Sieve
3= Cap nut SW 24
4= Flow regulator with check valve
The safety limiter
Changes in the safety temperature and pressure limiters are not
allowed! In all the disorders, we recommend to consult the service.
For the activation of the safety limiter, after the remedy of a previous
disorder, a screwdriver or similar should be introduced through the
opening of the cap and carefully pressed until the limiter clicks.
Information: Upon request, deconta concludes a service contract with you.
Opening for
screwdriver
