Maintenance And Cleaning - SUEVIA 303 Bedienungsanleitung

Each type of water and deposits incrustations and lime when high temperatures are given.
These deposits in the heating unit have a negative impact on functioning and product life.
the reason why in case of hard water conditions an anti-liming unit should be placed before the
circuit starts . Therefore it is indispensable to decalcify the heating unit and the heating element
from time to time.
Maintenance:
- Never use the heating unit without water!
- Heating unit has to bled regularly once per month.
! Attention: hot water may escape !
- Heating unit has to be thoroughly cleaned and decalcified at least twice per year.
If required several times per year : frequency depends on local water hardness and quality.
Proceedure:
1. Put the main switch on 0 = OFF.
For cleaning purposes the heating unit has to be separated from main current!
2. Pull the plug of the screw-in heater. Turn off water flow. Drain water line completely.
! Attention: in case of drainage hot water can escape!
3. Screw out the heating element -> only turn at hexagon steel plate
4. Put heating element into a bucket with cleaner, or antiliming agent respectively e.g. vinegar
essence
5. Let the anti-liming agent to react
-> time for reaction depends on used cleaner and level of lime deposits (30 min. - 4 hours)
6. Clean the cast iron cage with a bottle brush
-> In case of intense deposits (minerals/rust/lime/ incrustation deposits) also clean the cast
iron cage with the lime cleaner -> flush the heating unit with the clear water --> then wash
up the heating element with the clear water
7. Assemble it in the reverse order
8. Start the heating unit (see page 17)
9. Dispose the cleaner in a environment-friendly way.
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1
0
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Maintenance and Cleaning

1½"
7 = assemble the parts in reverse order!
6
!
3
30 - 240 min
4
That is
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25