Installation and Operating Instructions
CHAPTER 1
SAFETY
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DANGER
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WARNING
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CAUTION
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DANGER
SilentBox® SB EC ... EC Centrifugal Fan Boxes
1.0
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 to ensure
the safe operation of the fan. All plant-related safety regulations must be observed.
1.1 Warning instructions
The adjacent symbols are safety-relevant prominent warning symbols. All
safety regulations and/or symbols in this document must be absolutely
adhered to, so that any risks of injury and dangerous situations are avoi-
ded!
1.2 Safety instructions
Special regulations apply for use, connection and operation; consultation is requi-
red in case of doubt. Further information can be found in the relevant standards and
legal texts.
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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 slip-
ping on slippery surfaces.
Hair net
The hair net primarily serves to protect long hair against contact with moving
parts.
With regard to all work on the fan, the generally applicable safety at work and
accident prevention regulations must be observed!
• The following must be observed before all cleaning, maintenance and
installation work or before opening the terminal compartment:
– Isolate the device from the mains power supply and secure against
being switched on again!
– The rotating parts must first come to a standstill!
– Once the rotating parts come to a standstill, a waiting time of 5 min.
must be observed, as dangerous voltages may be present due to
internal capacitors even after disconnection from the mains!
• All plant-related safety regulations must be observed! If applicable,
further country-specific regulations must also be observed!
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