English Operation
6 Plate Heat Exchanger
eng
Operation
Start-up
Check that measurement A is correct. For
A, see enclosed PHE-drawing.
Check that the valve is closed between the
pump and the unit controlling the system
flowrate.
If there is a valve at the exit, make sure it
is fully open.
Open the vent and start the pump.
Open the valve slowly.
When all air is out, close the vent.
Repeat steps 1–6 for the second media.
Note!
If several pumps are included in the sys-
tem, make sure you know which one
should be activated first.
Note!
Adjustments of flowrates should be made
slowly in order to avoid the risk of water
hammer.
Water hammer is a shortlasting pressure
peak that can appear during start-up or
shut-down of a system, causing liquids to
travel along a pipe as a wave at the speed
of sound. This can cause considerable
damage to the equipment.
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