3 | Essential safety instructions
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Operating instructions CMVpro 125-400 | Version 1-en
• Mechanical damage to the impeller due to foreign objects or speeds above
the permissible limit.
• Prohibited chemical or thermal factors (compare with technical data sheet).
Possible consequences:
• Parts ejected from the fan with high force.
• Casing explosion.
• Escape of conveyed medium.
• Development of hot, corrosive, hazardous, or flammable gases.
WARNING
Risk of injury due to damaged fan
▪ Fan can continue coasting for a long time after being switched off.
▪ Danger by contact with dangerous parts and conveyed medium if casing is
damaged.
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Use caution when approaching the fan.
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Observe the Safety Data Sheet(s) of the conveyed medium.
If no emergency measures are directed by the operator, proceed as follows:
1.
Use the isolation switch to remove voltage on all phases.
2.
Get personnel who are injured or in danger to safety. Get personnel who
are having difficulty breathing to fresh air immediately.
3.
Perform first aid.
4.
Alert rescue/emergency personnel and inform them of the hazards of the
conveyed medium according to the Safety Data Sheet.
5.
Safeguard the hazardous area.
6.
Fight small incipient fires only with fire extinguishers approved for low-volt-
age electrical equipment and the conveyed medium.
WARNING
Risk of burn, risk of poisoning from smoke inhalation
Burns, damage to respiratory tract.
▪ The thermoplastic of the fan generates smoke when burnt.
▪ If the fan housing is made of PVC, there will be adverse health effects and
caustic smoke when burnt.
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Maintain a safe distance when extinguishing.
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Pay attention to the direction in which the smoke is spreading.
WARNING
Danger of asphyxiation with carbon dioxide (CO2) fire ex-
tinguisher use
▪ There could be a high concentration of carbon dioxide (CO2) in the breath-
ing air.
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Do not attempt to extinguish in confined, small, or enclosed spaces.
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Instead, fight fire from outside through open door.
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Do not access area where fire occurred until it has been thoroughly venti-
lated.