Xylem GEN series firefighting booster sets - Manuale (Pagina 36)

en
36
AUTOMATIC OPERATING MODE
Key-operated selector switch in “AUTO” position.
Only in this position can the key be extracted in order to enable automatic operation.
Start-up
A command from the pressure switch starts the unit.
The following information is displayed
1 – POWER LINE ON, green LED On
4 – PUMP RUNNING, red LED On
Shut-off
The pump keeps running even if the pressure and the status of the pressure switch are
restored. The pump must be stopped manually as required by the firefighting standard.
To stop it, set the key-operated selector switch to the “MAN” position or the Disabled
position “0”.
The modified version for fire-hydrant networks features automatic pump shut-off after the
pressure has been restored for the length of time specified by local regulations (the default
setting is 20 minutes).
The signalling and control keypanel does not affect the automatic starting of the motor.
If the motor fails to start automatically the following information is displayed
1 – POWER LINE ON, green LED On
3 – PUMP ON DEMAND, yellow LED On
5 – START FAILURE, yellow LED On
To solve the problem see the Troubleshooting section
MANUAL OPERATING MODE
Key-operated selector switch in automatic “MAN” position
Start-up
Manual start-up via a command from the START button
The following information is displayed
1 - POWER LINE ON, green LED On
3 - PUMP ON DEMAND, yellow LED On
4 – PUMP RUNNING, red LED On.
Shut-off
Manual shut-off via STOP button