DE DIETRICH MS 24 BIC - Manual (Page 67)

67
71.06199.02 - EN INSTALLATION INSTRUCTIONS
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) 5 6 7 8 9 10
Maximum system volume (l) 138 131 119 107 97 87
G”3/4 HEATING FLOW G”1/2 DOMESTIC HOT WATER OUTLET
G”3/4 HEATING RETURN G”1/2 DOMESTIC COLD WATER INLET
G”3/4 GAS INLET TO BOILER
WARNING
Tighten the boiler nipple water connections with care (maximum tightening torque 30 Nm).
Figure 4