Ei Electronics Ei3024 Manuale utente

Ei2110e Series

Instruction Manual

MULTI-SENSOR FIRE ALARM

with Rechargeable Lithium Cell Back-up

230V~

INSTALLER Section

P/N B18397 Rev2

1. QUICK GUIDE

1.1 INSTALLATION GUIDE

1.2 ALARM REMOVAL

2. HOW MANY ALARMS TO INSTALL

2.1 LD SYSTEMS

2.2 SELECTING ALARM TYPE

2.3 GRADE D SYSTEM

3. POSITIONING ALARMS

3.1 LOCATIONS TO AVOID

4. INSTALLATION

4.1 MOUNTING & WIRING ALARMS

4.2 INTERCONNECTING ALARMS

CONTENTS

INSTALL IN THE CENTRE OF CEILING AT LEAST 300mm FROM

LIGHT FITTINGS & WALLS

ENSURE MAINS POWER IS CORRECTLY CONNECTED TO L & N

TERMINALS ON ALL INTERCONNECTED ALARMS - OTHERWISE

UNITS WILL BE DAMAGED

DO NOT FIT ACTUAL ALARMS UNTIL ALL BUILDING WORK IS

COMPLETED TO AVOID CONTAMINATION. AFTER CHECKING

OPERATION, COVER ALARMS WITH DUST COVER UNTIL

REQUIRED FOR USE

HIGH VOLTAGE INSULATION TESTS CAN BE APPLIED TO

MOUNTING PLATES ONLY. ALARM HEADS MUST BE REMOVED

DO NOT ATTEMPT TO OPEN THE ALARM AS IT IS PERMANENTLY

SEALED FOR SAFETY

INTERCONNECT ALL ALARMS

2. How many Alarms to install

- Categories & Grades -

The ideal system would consist of Multi-Sensor Fire Alarms installed throughout the

dwelling apart from the kitchen which should have a Heat Alarm installed (Note:

Alarms should not be installed in toilets/bathrooms).

The Multi-Sensor Alarm can be installed for superior performance anywhere the

regulations specify an Optical Smoke Alarm or an Ionisation Smoke Alarm.

(The Ei2110e Multi-Sensor Fire Alarm can also be used and interconnected with any

Ei Electronics mains powered compatible Alarm if necessary).

The advice here follows the guidance in British Standard BS 5839-Part 6:2013 in

general (for further information see the BS standard itself).

The main reason for fitting Alarms in dwellings is to ensure that when there is a fire,

sufficient early warning is given so that everybody can escape safely.

This means that the fire Alarms should ideally be located in all escape routes and in all

rooms that contain potential sources of fire. Another important consideration is that the

alarm should be heard throughout the house – particularly in the bedrooms.

It is also important that nuisance/false alarms are minimised to ensure the Alarms are

not disabled or ignored.

BS 5839-Part 6:2013 gives guidance on:

- how many Alarms to install

- what type of Alarm to use

- where to position Alarms

The above points will depend on the type of dwelling to be protected and the level of

fire risk.

Fire Risk Assessment

The ‘Grade’ and ‘Category’ of system that should be installed depends on the fire risk.

It is therefore recommended that a Fire Risk Assessment is undertaken. The Risk

Assessment would be based on a combination of probabilities:

- fire occurring

- injury or death to occupant

- system operating correctly with a fire

- early detection and warning to occupants in the event of a fire.

The greater the risks, the more comprehensive and reliable systems are needed.

2.1 LD Systems

LD (Life protection in Dwellings) systems define the level of fire protection required for

households, depending on the fire risk and regulations. Ei Electronics recommends

that an LD1 system be installed for optimum protection.

Please see following pages for detailed information.

Optimum Protection LD1: As LD2, but in addition

Smoke or Heat Alarms should be located in all rooms

and other areas of the dwelling.

(apart from toilets or bathroom)

Basic Protection LD2: Smoke or Heat Alarms in all

rooms or areas that present a high fire risk to occupants.

Heat Alarms located in:

(Heat Alarms must be within 5.3m of potential fire

sources)

each Kitchen

Smoke or Heat Alarms located in:

each Living room (i.e. most frequently used

daytime room)

Smoke Alarms located:

on each storey

every 7.5 m of hallways and escape routes

within 3m of all bedroom doors

(apart from toilets & bathrooms )

BASIC PROTECTION

2.2 Selecting Alarm Type

Multi-Sensor Fire Alarm & Heat Alarm Selection

Locations & Performance

Locations

Hall, Corridors, Escape Routes

Alarm Type

Multi-Sensor

Fire Alarm

Heat

Alarm

Bedrooms

Shower / Bathroom

Kitchens

Living Rooms

Fire Response

Slow Smouldering Fires

(polyurethane foam, ignited bedding etc.)

Nuisance Alarm Immunity

Steam, Condensation & Dust Build-up

Cooking Fumes

- Best

- Better

- Good

- Not Suitable

Fast Flaming Fires

(flaming wood/plastic, oil, solvents, chip pans etc.)

Temperature >58

1Some Fire authorities (concerned with the slow response of Heat Alarms) advise that Smoke Alarms (or

Multi-Sensor Alarms) should be fitted. This is acceptable according to BS 5839-6 provided there are clearly

not going to be problems with nuisance alarms. Fit Heat Alarms only if nuisance alarms are very likely and

it is acceptable that a warning will only be given by the Heat Alarm when there is a very significant flaming

fire in the room. If the door(s) and windows are not closed to contain the fire and heat, it is extremely

unlikely that the Heat Alarm would respond before a Multi-Sensor Alarm sited outside in the corridor.

2In enclosed kitchens with doors closed.

3Fast flaming fires generate considerable amounts of heat. The Multi-Sensor Fire Alarm has a heat

enhanced optical smoke sensor to improve the response of the sensor to these types of fires.

4Do not install in kitchens.

Improved Audibility

The effectiveness of a Category LD2 system can be significantly enhanced if an additional Alarm

(interconnected) is installed in the master bedroom. This will help ensure that a responsible

person will quickly be alerted to a fire and can arrange for an orderly evacuation of children and

other vulnerable occupants.

2.3 Grade D System

The mains powered, with battery back-up, Multi-Sensor Fire Alarm covered by these instructions

will meet the requirements for a Grade D System.

A Grade D system is needed for:

- new or materially altered dwellings up to three-storeys, with no floor over 200m2in area

- existing dwellings with poor structural fire precautions, up to three storeys, with no floor over

200m2in area

- Houses in Multiple Occupation (HMOs) of one or two-storeys, with no floor over 200m2in area

- Individual dwellings units of two or more rooms in HMOs

Check that a Grade D system is adequate for the dwelling into which the system is being installed.

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