8
2.3
Unit in operation
Adjustments of the flow rates should be made slowly
in order to protect the system against sudden and
extreme variation of temperature and pressure.
Problems in performance of the heat exchanger may
be caused by a change of some of temperature
conditions, the heat load or by fouling.
As long as the heat exchanger is operating
satisfactorily, no further action is required.
It is not necessary to monitor the unit continuously
while operating, but periodically check that
Media pressures are within the correct limits.
Media temperatures are within the correct limits.
No leakage appears due to faulty tightening of the
plate pack or to defective or damaged gaskets.
The bolts are kept clean and greased.
2.4
Shut-down
If the heat exchanger is going to be shut down – or for any reason at all the pump to be stopped - the following
procedure should be followed.