•
All work on the product must be carried out by certified electricians and ITT-authorized
mechanics. Special rules apply to installations in explosive atmospheres.
•
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.
•
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:
•
Only use the product in accordance with the approved motor data stated on the nameplates.
•
The Ex-approved product must never run dry during normal operation. Dry running during service
and inspection is only permitted outside the classified area.
•
Never start a pump with a closed suction valve or blocked suction line.
•
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.
•
Do not open the product while it is energized or in an explosive gas atmosphere.
•
Make sure that thermal contacts are connected to a protection circuit according to the approval
classification of the product.
•
Intrinsically safe circuits are normally required for the automatic level-control system by the level
regulator if mounted in zone 0.
•
The yield stress of fasteners must be in accordance with the approval drawing and the product
specification.
•
Make sure that the equipment is properly maintained:
•
Monitor the pump components and the end temperature of the liquid.
•
Maintain proper bearing lubrication.
•
Do not modify the equipment without approval from an authorized ITT representative.
•
Only use parts that have been provided by an authorized ITT representative.
1.1 Safety
8
Model VCW Installation, Operation, and Maintenance
Summary of Contents for Goulds Pumps VCW
Page 1: ...Installation Operation and Maintenance Model VCW ...
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