Commissioning | 6
0870573045_NC1500B_VR_A0002_IM_en
19 / 32
CAUTION
Noise of running machine.
Risk of damage to hearing!
If persons are present in the vicinity of a non noise insulated machine over extended
periods:
• Make sure that ear protection is being used.
6.1 Start-Up
• Make sure that the installation conditions (see
) are met.
• Turn on the cooling liquid supply (CLI) and adjust flow rates, see
• Switch on the machine.
• Make sure that the maximum permissible number of starts does not exceed 6 starts
per hour. Those starts should be spread within the hour.
• Make sure that the operating conditions are met, see
.
• Open the cooling liquid injection, see
• After a few minutes of operation, perform an
.
As soon as the machine is operated under normal operating conditions:
• Measure the motor current and record it as reference for future maintenance and
troubleshooting work.
6.2 Switch Off
• Vent the machine at a pressure between atmospheric pressure and 650 hPa.
• Close the cooling liquid injection.
• Let the machine run for 1 minute.
• Stop the machine
• Close the cooling liquid supply.
6.3 Restart Procedure
Prior to restart the system, ascertain the reason for the emergency stop.
Resolve the problem.
• With the machine electrically isolated from the power supply and vacuum system, all
appropriate safety precautions, warning boards, safety equipment and perimeter must
put into place.
• Drain and collect any residual liquids from the pumping chamber, in compliance with
all local restrictions and requirements.
Make sure that the machine is empty. Replace all previously removed drain plugs.
When the work has been completed follow the procedure
.
• Remove the warning board and safety perimeter.
• Check the oil levels, see
• Connect the machine to the power supply.
