
Essential safety instructions | 3
Operating instructions CMVpro 125-400 | Version 1-en
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3.3
Mechanical hazards
DANGER
Risk of injury due to
- rotating impeller,
- parts ejected with high force following impeller breakage,
- sharp corners or edges.
Serious injuries due to debris being launched out.
Crush, cut, strike, eye, or other injuries.
▪ Operation in a manner other than intended (e.g. regarding temperature,
speed, conveyed medium).
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Only authorized qualified personnel may conduct work on the fan.
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Prior to beginning mounting, maintenance, and repair work: Use the isola-
tion switch to remove voltage on all phases.
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Prevent unauthorized start-up of the fan: Hang personal padlock and tag on
isolation switch.
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Wear personal protective equipment.
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Do not leave any tools or mounting accessories in the fan.
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Comply with all current accident prevention guidelines.
WARNING
Risk of injury due to automatic start-up
Entry and crushing of appendages.
▪ The fan is to be operated in a system and controlled by automatic controls.
u
Prior to beginning mounting, maintenance, and repair work: Use the isola-
tion switch to remove voltage on all phases.
u
Prevent automatic start-up of the fan: Hang personal padlock and tag on
isolation switch.
3.4
Electrical hazards
DANGER
Danger to life due to electric shock from contact with cur-
rent-carrying conductors or components under hazardous voltage.
Immediate danger to life due to respiratory and cardiac arrest.
▪ Only a qualified and authorized electrician may work on the power mains
and the electrical components of the fan.
u
Prior to beginning mounting, maintenance, and repair work: Use the isola-
tion switch to remove voltage on all phases.
u
Prevent unauthorized start-up of the fan: Hang personal padlock and tag on
isolation switch.
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Establish an electrically safe work condition before beginning work.
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Promptly rectify any defects discovered in the electrical components and
wiring of the fan.
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Eliminate moisture from current-carrying components to avoid a short cir-
cuit.