Ex-approved products. FLYGT 3153

Introduction and Safety

Hazardous liquids

The product is designed for use in liquids that can be hazardous to your health. Observe these rules when you work with the product:

• Make sure that all personnel who work with biologically hazardous liquids are vaccinated against diseases to which they may be exposed.

• Observe strict personal cleanliness.

Wash the skin and eyes

Follow these procedures for chemicals or hazardous fluids that have come into contact with your eyes or your skin:

Action Condition

Chemicals or hazardous fluids in eyes

1. Hold your eyelids apart forcibly with your fingers.

2. Rinse the eyes with eyewash or running water for at least 15 minutes.

3. Seek medical attention.

Chemicals or hazardous fluids on skin

1. Remove contaminated clothing.

2. Wash the skin with soap and water for at least 1 minute.

3. Seek medical attention, if necessary.

Ex-approved products

Follow these special handling instructions if you have an Ex-approved unit.

Personnel requirements

These are the personnel requirements for Ex-approved products in potentially explosive atmospheres:

• All work on the product must be carried out by certified electricians and Xylemauthorized 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, the vapor, or both present in hazardous areas.

• Any maintenance for Ex-approved products must conform to international and national standards (for example, IEC/EN 60079-17).

Xylem disclaims all responsibility for work done by untrained and unauthorized personnel.

Product and product handling requirements

These are the product and product handling requirements for Ex-approved products in potentially explosive atmospheres:

• Only use the product in accordance with the approved motor data.

• You must fully submerge the Ex-approved product during normal operation. Dry running during service and inspection is only permitted outside the classified area.

• Before you start work on the product, make sure that the product and the control panel are isolated 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, and that they are in use.

• 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.

6 Flygt 3153 Installation, Operation, and Maintenance Manual