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All users must know about the risks of electric current and the chemical and physical
characteristics of the gas and/or vapor present in hazardous areas.
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Any maintenance for Ex-approved products must conform to international and national
standards.
Product and product handling requirements
These are the product and product handling requirements for Ex-approved products in potentially explo-
sive atmospheres:
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Only use the product in accordance with the approved motor data stated on the nameplates.
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The Ex-approved product must never run dry during normal operation. Dry running during service
and inspection is only permitted outside the classified area.
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Never start a pump without the proper priming.
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Before you start working with the product, make sure that the product and the control panel are iso-
lated from the power supply and the control circuit, so they cannot be energized.
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Do not open the product while it is energized or in an explosive gas atmosphere.
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Make sure that thermal contacts are connected to a protection circuit according to the approval
classification of the product.
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Intrinsically safe circuits are normally required for the automatic level-control system by the level
regulator if mounted in zone 0.
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The yield stress of fasteners must be in accordance with the approval drawing and the product
specification.
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Make sure that the equipment is properly maintained:
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Monitor the pump components and the end temperature of the liquid.
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Maintain proper bearing lubrication.
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Do not modify the equipment without approval from an authorized ITT representative.
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Only use parts that have been provided by an authorized ITT representative.
Figure 1: ATEX identification
1.2 Safety
XHD Installation, Operation, and Maintenance Manual
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Summary of Contents for XHD
Page 1: ...Installation Operation and Maintenance Manual XHD ...
Page 2: ......