Vortex
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3 INSTALLATION
3.1 General
This chapter describes the installation procedures for Vortex together with associated
detectors and output devices.
If you simply use Vortex for monitoring and responding to alarms, it is not necessary to read
this chapter. See chapter 6, Operation.
3.2 Before installation
Before installing a Vortex system along with its field devices, ensure that you have read the
instructions in this chapter, and that you understand the use of the Display Module push-
buttons and/or the VortexPC software where they are relevant to your installation. See section
4.6 for details of the Display Module functions.
Each field device has its own Installation, Operating and Maintenance Instructions. Please
refer to the instructions provided with the devices installed with your system.
Local regulations and installation practices for electrical equipment vary from country to
country.
Ensure that you are familiar with those that apply locally before you use this manual to install
or use a Vortex system. Further advice is available from Crowcon if required.
The Vortex system is intended for use in non-hazardous areas. Field devices may be mounted
in flammable atmospheres. Check that the equipment to be installed is suitable for the area
classification.
Site procedures should be followed in attempting installation or maintenance of any field
device.
Crowcon recommends that the installation of a Vortex system be carried out by people with
experience of installing electrical equipment in potentially hazardous areas. Advice on
earthing requirements can be found in Appendix F.
Vortex is suitable for use in a range of environments. See 2.2.4 for details. If a Vortex unit is
fitted outside and may be subjected to excessive heating by high levels of direct sunlight, an
appropriate shade must be provided.
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