De Dietrich MS 24 BIC FF Notice D'installation, D'utilisation Et D'entretien page 67

EXPANSION VESSEL
The boiler features a standard 7.5-litre expansion vessel with a pre-charge pressure of 1 bar. The maximum volume of water in
the system is calculated according to hydrostatic pressure at an average water temperature of 80°C (flow: 95°C return: 75°C).
Hydrostatic pressure (m)
Maximum system volume (l)
Figure 4
WARNING
Tighten the boiler nipple water connections with care (maximum tightening torque 30 Nm).
G"3/4 HEATING FLOW
G"3/4 HEATING RETURN
G"3/4 GAS INLET TO BOILER
INSTALLATION INSTRUCTIONS
5 6 7
138 131 119
67
8 9 10
107 97 87
G"1/2 DOMESTIC HOT WATER OUTLET
G"1/2 DOMESTIC COLD WATER INLET
71.06199.02 - EN