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538

Emergency Lighting

Maintaining a Scheme

All emergency lighting schemes have

to comply with European legislation

and regulations

Emergency lighting design schemes are used to ensure that the installation will

meet required lighting levels and protect the occupants with escape route, open

area and high risk task lighting.

Once the scheme is installed and commissioned, it is essential that the

luminaires are properly maintained and ready to perform in the event of an

emergency. To make sure installed emergency products are always fit for

purpose, regular testing has to be conducted by the building operator and

a record of testing kept.

Testing Emergency Lighting Products

Emergency lighting products have to be tested regularly to meet the requirements of

European law. As shown above, the standard EN50172 stipulates the precise nature

and frequency of the testing.

A full record sheet needs to be maintained for each emergency fitting. These

sheets have to be available for inspection by the authorities at any time.

Failure to provide full test records can result in legal action and closure of the

building. In the event of an emergency, if the emergency lighting is defective, the

insurance policy for the building may be invalidated and the building operator

could face a heavy fine or imprisonment.

Recent changes to the laws governing emergency lighting have shifted the

responsibility for the risk assessment, maintenance and testing to the building operator.

This testing can be tedious, costly and time consuming.

Making Life Easy

To help building operators maintain a fully functional emergency lighting scheme

that meets the full raft of legal requirements, Thorn offers three testing solutions:

•Central addressable testing

•Automatic self testing

•Basic manual testing

Frequency

Nature of Test

Purpose

Daily

Check all LED charging indicators

are in operation

Ensure the batteries are being

charged

Monthly

Conduct a functional test for all

emergency luminaires

Check that the luminaire will operate

in the emergency mode

Annually

Perform a full 3 hour duration test for

all emergency luminaires

Confirm that the battery capacity will

operate the product for the required 3

hour time period

E3TX emergency gear offers SelfTest and Addessable Test functionality in

a single fitting. E3TX luminaires operate as SelfTest when standalone and

become Addressable when connected to either a Sensa 2 or Sensa 3

lighting control system.

Ordering Guide

Description

SAP Code

Sensa 2

SENSA TP2

96550423

SENSA PS2

96554011

Please discuss individual application requirements with your local sales representative before ordering

Sensa products. Commisioning by a Thorn engineer will be required.

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XP128 Controller

GSM Module

XP Extender

DALI power

supply for 60

luminaires

Sensa TP2

controller

Central Addressable Testing

Every emergency luminaire is

connected to an intelligent local

controller that automatically conducts

all the necessary tests and stores the

full results in one central location.

Sensa TP2

Sensa TP2 is a central addressable

testing system that provides fully

automatic monitoring, testing

and fault logging for up to 240

emergency fittings. This system

delivers a range of benefits:

•Ultimate convenience for

emergency lighting testing.

•All results automatically stored

in one location. No need for

paperwork.

•Fault logging function identifies

each luminaire, the location and

the precise nature of the fault.

•All tests conducted at a convenient

time, depending on the usage of

the application

•Group testing staggers the testing

to minimise the risk of depleted

batteries.

•Simple to install and commission.

•Intelligent luminaires linked to the

local controller using standard

1.5mm

2

2 core mains cable.

Typical Sensa TP2 installation for up to 120 emergency luminaire

Applications

This system is particularly suitable for small to medium projects looking for an easy

and convenient way of maintaining their emergency lighting scheme for stringent

inspection. Key examples include schools, colleges, small offices, surgeries, libraries

and public buildings.

www.thornlighting.co.uk