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8. Checking and maintenance
132
8.4.1.
The system pressure must reach a minimum of 8 bar (0.8 MPa). If the
hydraulic pressure is lower than 8 bar (0.8 MPa), the symbol bar
flashes.
If necessary, top up the water level in the heating system
(recommended system pressure between 1.5 and 2 bar
(0.15 MPa and 0.2 MPa)). ¼ "Filling the heating circuit",
page 90
8.4.2.
4 Check the tightness of the connection on the flue gas discharge,
the air inlet and the condensates discharge.
4 The air inlet has a dirt trap on the inlet side: Check it for pollution,
such as leaves, etc..
8.4.3.
1. Cut the power supply to the boiler.
2. Close the oil inlet.
3. Remove the upper casing of the boiler.
4. Check whether there is any water in the automatic air vent.
If there is water in the automatic air vent, replace the
automatic air vent.
C003282-B
Checking the hydraulic pressure
Checking the tightness of the flue gas
discharge, the air inlet and the condensates
discharge
Checking the automatic air vent
AFC 18 - AFC 24 - AFC 30
09/07/2015 - 300026439-07
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