Atest Gaz Sigma SmArt, User Manual

Page: 10 / 84

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2 Safety
All activities related to connecting detectors, signallers and other system components must
be carried out while Control Unit's power supply is of.
Although switching power supply of the Gas Detection System of, there is a possibility that
a dangerous voltage can exist on the terminals of the Control Unit. It can originate from
another system like for an example ventilation system that uses one of the output pins of
Control Unit.
When performing repair, building and maintenance works, secure the device in a proper
way.
Before painting the walls, make sure the device is secured.
Before painting the floors, make sure the device is secured.
Before using silicones or silicon-containing materials (paints, glues, sealing etc.), make sure
the device is secured.
Do not repair the device's flameproof connections.
2.1 Marking of explosion protection
Marking of explosion protection is contained in appendix [1] (Declaration of Conformity).
p. 10|34
User's Manual: POD-009-ENG R07