A546–00–880 Issue C
Page 16 © Edwards Limited 2008. All rights reserved.
Edwards and the Edwards logo are trade marks of Edwards Limited.
Installation
3.7 Connect the electrical supply
This is an industrial (Class A) product as defined by EN61326. To ensure compliance with European
Electromagnetic Compatibility (EMC) requirements for EMC emissions, please note that it is not intended for use
in domestic buildings, or in properties directly connected to an electrical supply network which also supplies
domestic buildings.
Do not connect voltages greater than specified in Table 5 to the control/interface connections. If you do, the
interface control may be damaged.
Notes: Edwards recommend that the electrical supply be connected to a suitable isolator, which is easily accessible
for maintenance and clearly identified.
If you need further information on connecting the electrical supply, look it up on the Edwards website at
www.edwardsvacuum.com, or contact your supplier or Edwards for advice.
Refer to Figure 2, item 2.
Use the following procedure to connect the electrical supply to the iGX system. When you make the electrical supply
cable, ensure that the earth (ground) conductor is longer than the phase conductors. This will ensure that if the cable
is accidentally dragged and the strain relief bush on the electrical supply connector mating-half fails, the earth
(ground) conductor will be the last conductor to be pulled from the connector.
You must fit a secondary protective earth (ground) conductor (with a cross-sectional area at least equal to phase
conductor size) to the protective earth (ground) stud.
This equipment is suitable for Installation Category II as defined in IEC 60664-3. Connect the
system to the electrical supply through a suitably rated isolator/connector for your dry pumping
system.
Ensure that the system and your electrical supply cable are suitably protected against earth
(ground) faults and that the earth (ground) conductor of the electrical supply cable is longer than
the phase conductors in the connector. You must fit a second protective earth (ground) conductor
(with a cross-sectional area at least equal to phase conductor size) to the protective earth (ground)
stud.
All connections to the interface control must be double insulated or have equivalent protection.
Do not connect voltages greater than 30 V a.c. or 60 V d.c. to the control/interface connections.
If you do, the interface control will not provide protection against electric shock.
There is no overload protection provided on the Systemable (T variant) system.
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