Laird WL3004, Specification And User Manual

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2. Safety Regulations
Hazard classes
In this document safety instructions are using standardized representation and symbols. Depending
on the probability of their incidence and the severances of consequences three hazard classes are
used
CAUTION
Reference to noticeable danger for humans or possible damage to property.
Inobservance may lead to reversible injuries or to damage to property.
Safety Symbols
In this Operation Manual concrete safety instructions are given in order to point out unpreventable
residual risks when operating the unit. These risks include danger for

Human beings

The unit and other equipment

The environment
The safety symbols used in this manual are indicated below. The main reason for their use is to point
the reader to the safety instruction given in the text field beside.
Symbol Meaning
Warning with respect to general danger or damage to property
Warning with respect to electrical hazard
3. Warning signs
Symbol Meaning
This symbol indicates that disconnecting from mains is required.
4. Signs giving orders
DANGER
Reference to direct danger for humans.
Inobservance will lead to irreversible injuries or exitus.