AFRISO Europress Betriebsanleitung Seite 97

6.3.3 Checking the overpressure safety valve
6.3.4 Function test of the indicators
1. Press the Test key.
- The green LED, the red LED and the yellow LED light up and the audi-
ble alarm sounds.
- The function test is terminated once you release the Test key.
Commissioning
7. Set the measurement valve (red connection) to posi-
tion "Normal Operation".
8. Disconnect the pressure measuring instrument.
1. Connect the pressure measuring instrument to the
lateral connection of the red measuring valve.
2. Set the test valve (white connection) to position
"Vent".
- The pump starts.
3. Set the measurement valve (red connection) to posi-
tion "Test Safety Valve".
- The pressure switch is inactive, the pump remains
on.
4. Set the test valve (white connection) to position "Nor-
mal Operation".
- The pressure in the interstitial space increases, but
it must not exceed 570 mbar.
5. Set the measurement valve (red connection) to posi-
tion "Normal Operation".
- The pump must switch off immediately.
Europress
EN
39