1
1
General information
1.1
Warning symbols
Danger
Direct hazard
Failure to comply with this warning will lead
directly to death or to serious injury.
Caution
Hazard with a low risk
Failure to comply with this warning may lead to
moderate injuries.
Warning
Potential hazard
Failure to comply with this warning may lead to
death or serious injury.
Important
Hazard with risk of damage to objects
Failure to comply with this warning will lead to
damage to objects.
Note:
Useful information and instructions
1.1.1
Instruction symbols
Instruction
Instruction with fixed sequence
♦
Carry out this action
1. Carry out this action
3. (if applicable, further actions)
♦
(if applicable, further actions)
2. Carry out this action
2
Information on the explosion-protection devices
Danger
Explosion protection!
This warning marks information which applies if the device is used in a potentially explosive atmosphere.
Failure to comply with this information will result in loss of explosion protection and may lead to serious
injury or death.
Warning
Hazard resulting from improper use of the fans.
These operating instructions and the fan name plate describe how to use the EX fans safely.
♦
Read the operating instructions completely and carefully.
♦
If used in potentially explosive atmospheres, examine the name plate. Only use type PRF-EX fans.
Warning
Protective clothing must be worn in potentially explosive atmospheres to reduce the risks to employee
health.
♦
Wear protective equipment during all work in the vicinity of the fan, details see 3.2
♦
Comply with the information on personal protective equipment displayed in the work area.
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