ITT Flygt 3102, Инструкции по обслуживанию и ремонту

Страница: 8 / 72

Electrical connections
Electrical connections must be made by certified electricians in compliance with all international, national,
state, and local regulations. For more information about requirements, see sections dealing specifically with
electrical connections.
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
Do the following if chemicals or hazardous fluids have come into contact with your eyes or your skin:
If you need to wash your... Then...
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.
Skin
1. Remove contaminated clothing.
2. Wash the skin with soap and water for at least one minute.
3. Seek medical attention, if required.
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 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, the vapor, or both present in hazardous areas.
• Any maintenance for Ex-approved products must conform to international and national standards
(including IEC/EN 60079-17).
ITT 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.
• The Ex-approved product must never run dry 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.
• Do not modify the equipment without approval from an authorized ITT representative.
• Only use parts that are provided by an authorized ITT representative.
Introduction and Safety (Continued)
6 Flygt 3102 Service and Repair Instructions