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Installation and Operating Instructions
CHAPTER 1
SAFETY
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DANGER
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WARNING
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CAUTION
ATTENTION
Roof fans – RD/VD EC
1�1 Important information
In order to ensure complete and effective operation and for your own safety, all of the following instructions should be
read carefully and observed.
This document should be regarded as part of the product and as such should be kept accessible and durable. The
operator is responsible for observing all plant-related safety regulations.
1�2 Warning instructions
The adjacent symbols are safety-relevant warning symbols� All safety
regulations and/or symbols must be absolutely adhered to, so that any
dangerous situations are avoided!
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DANGER
Indicates dangers which will directly result in death or serious injury if the safety instruction is not followed.
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WARNING
Indicates dangers which can result in death or serious injury if the safety instruction is not followed.
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CAUTION
Indicates dangers which can result injuries if the safety instruction is not followed.
ATTENTION
Indicates dangers which can result in material damage if the safety instruction is not followed.
1�3 Safety instructions
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Protective glasses
Serves to protect against eye injuries.
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Ear protectors
Serves to protect against all kinds of noise.
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Protective clothing
Primarily serves to protect against contact with moving parts.
Do not wear rings, chains or other jewellery.
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Protective gloves
Protective gloves serve to protect the hands against rubbing, abrasions, cuts
or more profound injuries, as well as contact with hot surfaces.
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Protective footwear
Protective footwear serves to protect against heavy falling parts and from
slipping on slippery surfaces.
Hair net
The hair net primarily serves to protect long hair against contact with moving
parts.
Special regulations apply for use, connection and operation. Consultation is re-
quired in case of doubt. Further information can be found in the relevant stan-
dards and legal texts.
m With regard to all work on the ventilation unit, the generally applicable
safety at work and accident prevention regulations must be observed!
• Do not transport fan on the connection cables, terminal box or impeller! Do
not stand under suspended loads!
• All electrical work and the commissioning must only be carried out by au-
thorised, qualified electricians! Installation, servicing and maintenance work
must only be carried out by suitable specialist personnel!
• An all-pole mains switch / isolator switch is mandatory for installation sizes
Ø 180 to 250.
• The following must be observed before all cleaning, installation, service and
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