DeDietrich AFC 30 User Manual page 33

AFC 18 - AFC 24 - AFC 30
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6. Bleed the radiators. Start with the lower floors.
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4
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T000854-A
7. Open the bleed connection using the bleed key provided whilst
keeping a rag pressed against the connection.
T000217-A
8. Wait until water comes out of the bleed valve and then close the
bleed connection.
9. Switch on the boiler.
10.Check whether the pressure in the installation is still sufficient.
T000218-A
CAUTION
The water may still be hot.
If the water pressure is lower than 0,8 bar, more water
should be added. If necessary, top up the water level in the
heating system (recommended hydraulic pressure
between 1,5 and 2,0 bar).
¼ See chapter: "Filling the system", page 29
6. Checking and maintenance
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