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Test
1. Press ◄ and the STOP button at the same time to perform the motor start test: wait for the
2. Open the flow rate test control valve.
3. Start the motor by pressing MAN TEST: the A31 alarm disappears.
4. Wait 5 minutes for the number of revolutions to stabilise.
5. Stop the motor by pressing STOP.
6. Close the control valve.
7. Open the on-off valve at the fire-fighting system discharge.
8.6.4 Automatic start test and flow rate and pressure check
1. Close the on-off valve of the fire-fighting system.
2. Set the selector switch to AUT.
3. Simulate the automatic start of the motor by opening the flow rate test control valve.
4. After the start, monitor the pressure gauge and record the pressure for possible future
5. Adjust the flow rate test control valve and check that flow rate and pressure meet the
6. Run the motor for 5 minutes and then check that there are no alarms.
7. With the motor in operation, check:
8. Close the flow rate test control valve.
9. Stop the motor by pressing STOP.
10.Open the on-off valve.
8.6.5 Preparation of the system for automatic operation
1. Set the selector switch to AUT.
2. Remove the key.
8.7 Initial start-up of the jockey pump
The jockey pump is included as standard in the GEMJ model and available as an accessory for
the GEM model.
Refer to the pump instruction manual for more information.
NOTE:
The mains voltage and frequency must match the specifications on the data plates.
8.7.1 Preliminary operations
Calibration of the thermal protection
1. Switch off the electric power supply to the control panel of the jockey pump.
2. Calibrate the thermal protection according to the values on the pump data plate.
Priming
1. Open the on-off valve at the suction.
2. Prime the pump and the suction pipe.
GEM, GEMJ – Fire-fighting Pump Set
start routine to complete, until the display shows the A31 start failed alarm.
pressure switch calibration checks.
design requirements.
• That there are no liquid leaks
• The tightening of all bolts
en – Original Instructions
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