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7 COMMISSIONING
7.11
System check:
Ensure that the electrical supply to the pump is switched off
before opening the mains water supply stopcock and checking for leaks.
7.12
Check mains static pressure:
z
Now close outlets and check pressure gauge after ‘Y’ strainer - for static
mains pressure and note it.
z
Turn stopcock off and leave outlet taps open.
7.13 Check the chart below for the correct pump pressure setting against the
static mains pressure recorded.
Warning: NOTE PRV setting must not exceed 5.0 bar.
Refer to the Mainsboost instruction manual for the correct commissioning of
the vessels.
MBC 12 pump max.
set pressure
Static mains
pressure
Set vessel
pre-charge
pressure to
Differential
Set PRV maximum
setting to
bar
bar
bar
bar
3 bar
1.0
1.2
1.8
1.0
3 bar
1.5
1.2
1.8
1.5
3 bar
2.0
1.2
1.8
2.0
3.5 bar
2.5
1.7
1.8
2.5
3.5 bar
3.0
1.7
1.8
2.5
