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 section 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.
3.3 Installation of a pre-configured Vortex system
This section describes how to get started with any Vortex system that has been pre-configured for the
detectors that were supplied with it.
See the Specification Sheet provided with your system for full details of its configuration.
Figure 1 on page 4 shows the layout of the modules within the Vortex system. The number and
arrangement of the modules will vary depending on your Vortex configuration.
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