4. Operaon
CAUTION: DANGEROUS VOLTAGE
Risk of electric shock and damage to the equipment. The turbomolecular pump and
the EPS 800 must only be operated if installed in compliance with the informaon
provided in the Operang Instrucons.
The disconnecng device must be easily accessible.
4.1 Start up
CAUTION: DANGEROUS VOLTAGE
Risk of electric shock and damage to the equipment. Make sure that the mains power
supply is switched o before you connect or disconnect the mains cable.
The mains power supply must have a suitable earth connecon.
To start the EPS 800 do the steps that follow:
1. Plug in the mains cable.
2. Secure the mains cable so that it cannot be pulled out inadvertently.
To test the connecon, switch the turbomolecular pump on and o. Refer to the
applicable turbomolecular pump operang instrucons for informaon.
The turbomolecular pump will start only when the mains cable is plugged and a start
command is provided.
4.2 Shut down
To shut down the EPS 800 do the steps that follow:
1. Switch o the turbomolecular pump.
2. Wait for the rotor of the pump to stop. The Green status LED will stop ashing to
conrm that the rotor is ideal.
Note:
The rotor can take several minutes to stop. With the DC power supply o, the
turbomolecular pump will act as a generator supplying the frequency converter
with energy as indicated by the yellow power LED.
3. Disconnect the mains plug from the power supply.
In case of an emergency shutdown, disconnect the mains plug.
4.3 Maintenance
The EPS 800 is maintenance free. Repairs must only be done by Edwards.
You must disconnect the mains plug from power supply and make sure that the system is
protected against automac restart during any repair work.
06/2021 - ©Edwards Limited
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