Ulvac GN-30i, Instruction Manual

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ULVAC CRYOGENICS INCORPORATED 13
5. Operation
5.1 Preparation before Operation
1) Take the right side plate off, and remove the red screws (two per compressor unit)
that fix the compressor unit for transportation.
2) Connect the piping to the nitrogen gas discharge port (Rc1/4) on the back of the
equipment.
3) Wire the power cable, open the front door of the equipment and turn the circuit
breaker on.
4) Remove the jumper cable connectors inside the equipment, and press Run/Stop
button.
5) Open the door to check that the pressure meter of the pressure regulator (located
behind the operation panel) is set at specification value, and check the nitrogen gas
flow meter on the operation panel to confirm that the flow rate is approproate.
5.2 Start-up and Stop (Local operation)
1) Press Run/Stop button on the operation panel to start-up.
Press Run/Stop button again to stop.
<Note> The system will start with the conditions set at previous time.
5.3 Start-up and Stop (Remote: Operation by input external signals)
1) Remove the plate on the left side to connect jumper connector connected to 1 and
2 of the terminal board (TB2).
2) Short-circuit 3 and 4
(Refer to “2.3. Electrical Wiring”)
3) The system will be in operation when “making” (turned ON), and stops when “in
break”. (turned OFF).