afriso Europress Notice Technique page 97

6.3.2 Function test by measurement
The free lateral connection of the red measurement valve is provided for
connecting a pressure measuring instrument to test the system. Test
reports can be found at www.afriso.de.
6.3.3 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
1. Connect the pressure measuring instrument.
2. Set the measurement valve (red connection) to posi-
tion "Test".
- The pressure measuring instrument indicates the
pressure in the interstitial space.
3. Set the test valve (white connection) to position
"Vent".
- The pressure drops slowly.
4. Observe the pressure measuring instrument and doc-
ument the pressure values at which the pump and the
alarm signals are switched on.
5. Set the test valve (white connection) to position "Nor-
mal Operation".
- The pressure in the system increases slowly.
6. Observe the pressure measuring instrument and doc-
ument the pressure values at which the pump and the
alarm signals are switched off.
7. Set the measurement valve (red connection) to posi-
tion "Normal Operation".
8. Disconnect the pressure measuring instrument.
Europress
EN
39