Technical data

INSTALLATION & SERVICING INSTRUCTIONS
Fig. 7 Fully Pumped Sealed System Piping Diagram.
Page 13
CHARGE PRESSURE (BAR) 0.5 1.0 1.5
Pre-pressurisation pressure (bar) 0.5 1.0 1.5 1.0 1.5 1.5
Expansion vessel volume (litre) A x
0.066
A x
0.112
A x
0.207
A x
0.087
A x 0.152 A x 0.125
where A = System volume (litre)
Pressure Gauge
A pressure gauge with set pointer and covering at least the range 0 to 4 bar (0 to 58 lbf/in2) should be
permanently fitted to the system, so as to be visible to the person carrying out the filling operation.
Hot Water Storage Cylinder
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