II.7.2.5
Checks to be made with the unit running
Intervention test: use the
water gate valves to
reduce the flow to the
evaporator.
START
Ask all unauthorised personnel to leave the area.
YES
Does the water differential pressure switch trip
regularly?
YES
Is the working pressure reading correct?
YES
If you take the pressure on the high pressure side to
approx. 8 bar, are there gas leaks > 3 grams/year?
NO
Do alarms appear on the unit display?
NO
Starting procedure completed!
21
SECTION II: INSTALLATION AND MAINTENANCE
NO
Check the component and/or
replace it if necessary.
Stop the unit and verify the cause of
NO
this anomaly.
Stop the unit and verify the cause of
YES
the leak (according to EN 378-2).
YES
Check the cause of the alarm.
See the alarm table.