© Edwards Limited 2011. All rights reserved. Page 13
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Installation
D395-93-880 Issue A
3.6 Connect the T-Station to your vacuum system
The turbo pump can be securely fixed to the vacuum system via the inlet-flange. Make sure that the pump-inlet and
all components fitted to the pump-inlet are clean and dust-free. If the pump-inlet is not kept clean, the pump-down
time may be increased.
If the pump has a CF flange, use the copper compression gasket supplied with the pump and use a full
complement of bolts to connect the inlet-flange of the pump to the vacuum system.
If the pump has an ISO flange, use a minimum of four claw clamps (each torque to 10 Nm) to connect the
inlet-flange of the pump to the vacuum system. Alternatively, use a rotatable collar and the combined inlet
screen and trapped O-ring supplied with the pump to connect the inlet-flange of the pump to the vacuum
system; use a full complement of bolts with the rotatable collar.
If the pump has an NW flange, use the centring ring supplied with the pump and a metal NW clamp to
connect the inlet-flange of the pump to the vacuum system.
All inlet flange bolts must be re-tightened once the system is under vacuum. Ensure that no torques or other forces
are transmitted to the pump from the vacuum system or the associated pipelines.
3.7 Connect to your exhaust extraction system
Note: This section applies to E2M1.5 versions only.
The exhaust system must be configured so that the maximum pressure at the pump outlet does not exceed 0.5 bar
gauge (1.5 bar absolute, 1.5 x 10
5
Pa) at full pump throughput. Make sure that the exhaust pipeline cannot become
blocked. If you have an exhaust- isolation valve, make sure that you cannot operate the pump with the valve closed.
Connect the turbo pump inlet to your vacuum system before applying power to the T-Station. This
will ensure that the pump cannot operate accidentally causing injury.
If you install your vacuum system directly onto the T-Station, the weight of the system must be no
more than 10 kg and the centre of gravity must be positioned laterally within the bounds of the
base plate. If this is not the case, the vacuum system must be supported to ensure that the
T-Station does not topple.
Vent dangerous gases and gas mixtures safely, do not expose people to these gases. If pumping
hazardous gases or vapours, observe the safety recommendations of the supplier of the gas/
vapour.
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