2
Check that the valve is closed between the
pump and the unit controlling the system flow
rate to avoid pressure surge.
3
If there is a vent valve installed at the exit,
make sure it is fully open.
4
Increase the flow rate slowly.
5
Open the air vent and start the pump.
A
6
Open the valve slowly.
NOTE
Avoid rapid temperature changes in the
plate heat exchanger. With media
temperatures over 100 °C, slowly
increase the temperature, preferably at
least for one hour.
7
When all the air is expelled, close the air
vent.
8
Repeat the procedure for the second media.
200000420-4-EN-GB
46
5 Operation
EN