5
Initial start−up, inspection and maintenance
Further details regarding the individual steps
Preparing for commissioning
1.
Check that the boiler room
ventilation aperture is open.
2.
Check the inlet pressure of the
diaphragm expansion vessel.
3.
Open any check valves that may
be fitted.
4.
Fill the heating system, vent it and
check the system pressure on
pressure gauge
A
.
(Min. system pressure 0.8bar,
permiss. operating pressure 3bar).
5.
Return the check valves to their
operating position.
5692413GB
Summary of Contents for GS1
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