Useful Advice 6 - Biasi Riva ADVANCE SV Owner's Manual

6. Useful Advice Cont.
If water comes out of the pressure relief valve pipe H in Fig. 6.4:
• Check on the pressure gauge (figure 5.1 on page 12) that the pressure in the central heat-
ing circuit is not close to 2 bars (30 psi). In this case, temperature rise in the circuit can
cause the pressure relief valve to open.
• So that this does not happen and to decrease the pressure to a normal value, it is advisable
to vent some of the water in the appliance through the bleed valves present in the heating
system.
• Close the cocks connected to the inlet gas pipe and to the domestic cold water inlet pipe
under the boiler and call an Authorized Service Person.
In case of problems other than those mentioned here, switch off the boiler, as described
in Section 5.6 on page 15 and call a competent and responsible service person.
RIVA ADVANCE USER MANUAL
H
If water should occasionally leak from the boiler:
Figure 6.4
3 1 2
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