11
Hydraulic test
1)
When all circuits have been filled the system seal test can be
carried out.
2)
Disconnect the drain
pipe
and
close
the
corresponding
drain
cock.
Leave
the
system testing pump
connected.
3)
Open all the circuit shut-off valves.
Commissioning and circuit balancing
1)
Open all the circuit shut-off valves and the ball valves on the
main pipes, if any.
2)
Let the medium circulate so as to completely eliminate the air in
the system.
3)
Balance the circuits by operating the regulating valves or shut-
off valves based on the configuration of the manifold.
4)
Bring the circuit up to pressure, to a maximum of 10 bar, for the
set period of time.
During
the
test,
the
pressure
must
not
exceed 10 bar