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1250 Static Eliminator Bar and EXHP Power Unit
Installation and Maintenance Instructions
It is important that these instructions are read and understood before attempting
to install or operate this equipment. Electrical installation should be carried out
by a suitably qualified engineer.
System: How it works
The static elimination system consists of one or more static eliminator bars and an EXHP Power Unit
which have been certified for use in some ATEX zoned hazardous areas. To conform with the
certification the static eliminator bar may only be operated with the EX HP power supply.
The power unit converts the primary voltage to 5.5kV. For safety, the high voltage is current limited
by the design of the transformer in the power unit so that the maximum current is 5mA. It uses either
50Hz or 60Hz, please check the label on your power unit before use.
The high voltage is applied to the emitter pins in the bar to create ionised air. Ionising the air breaks
it up into positive and negative ions, which are available to neutralise the static charge.
The emitter pins in the static eliminator bar are resistively connected to the high voltage, so are
shockless in operation and below the ignition energy level of the solvent / gas in group IIA.
Checking on Delivered Equipment
The equipment leaves our factory in suitable protective packaging. Please check that it is undam-
aged when it arrives. If there is visible damage contact the factory or one of our distributors immedi-
ately, before carrying out any installation.
Check that the parts which have been delivered are the same as you have ordered.
Documentation / Loose Parts: The Bar should have M4 x 20mm hexagon head screws and 200mm
fixing strips to assist with mounting and a Declaration of conformity. The Power Unit comes with an
IEC Connector. These are in a plastic bag.
ATEX
It is important that the customer has checked that the certification of this equipment
corresponds to the ATEX requirements of the hazardous area.
The whole system has been tested and certified for use in hazardous areas - with the Bar and Cable
inside the zoned area and the Power Unit outside of the zoned area. The certification details are:
Instructions/Booklet/EX1250 iss.11
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