Ei Electronics Ei 181 Ionisation Manuale utente

LOW VOLTAGE PANEL SMOKE & HEAT ALARMS

Ei181 Ei184 Ei186

P/N B14090 Rev4

READ THIS FIRST

CHECK OPERATION OF SYSTEM

TEST BUTTONS OPERATE ON ALL ALARMS.

ALL INTERCONNECTED ALARMS OPERATE

WHEN EACH TEST BUTTON IS PRESSED FOR

10 SECONDS.

IF THE UNIT BEEPS EVERY 40 SECONDS FOR

OVER 20 MINUTES THE BATTERY IS PROBABLY

DEPLETED. REMOVE UNIT FROM CEILING (SEE

FIG 1) AND REPLACE BATTERY.

DO NOT ATTEMPT TO OPEN THE ALARM AS IT

IS PERMANENTLY SEALED FOR SAFETY.

IF A NUISANCE ALARM OCCURS PRESS THE

TEST/HUSH BUTTON TO SILENCE THE ALARM

FOR 10 MINUTES.

LOCATING ALARMS

SMOKE ALARMS

Sufficient smoke must enter the Smoke Alarm before it will

respond. The Smoke Alarm needs to be within 7.5 metres

(25 ft) of the fire to respond quickly. It also needs to be in a

position where its alarm can be heard throughout your

home, so it can wake the occupants in time for all to

escape. A single Smoke Alarm will give some protection if it

is properly installed, but most homes will require two or

more to ensure that a reliable early warning is given. For

maximum protection you should put individual Smoke

Alarms in all the rooms where fire is most likely to break out,

(apart from kitchens, bathrooms etc. see Locations to

Avoid).

A Smoke Alarm should be located between the sleeping

area and the most likely sources of fire (living room or

kitchen for example). It should not be more than 7.5 metres

(25 ft) from the door to any room where a fire might start on

the escape route from the house.

Important: These Smoke/Heat Alarms are designed for a

single occupancy in a residential type environment.

A Smoke Alarm should be sited within 3m of bedroom doors

for improved audibility.

HEAT ALARMS

The Heat Alarm gives a fire warning when the temperature

at the unit reaches 58°C. It is ideal for kitchens, garages,

boiler houses and other areas where there are normally

high levels of fumes, smoke or dust i.e. places where

Smoke Alarms cannot be installed without the risk of

excessive nuisance alarms.

A Heat Alarm should only be used in a room adjoining an

escape route, in conjunction with Smoke Alarms on the

escape routes.

All the Heat Alarms and Smoke Alarms should be

interconnected to ensure the early warning will be heard,

particularly by somebody sleeping. A properly designed

early warning fire system ensures the alarm is given before

the escape routes become blocked with smoke. Therefore,

there must be Smoke Alarms along the escape routes as

Heat Alarms would not give sufficient warning. However, a

fire in a closed room (e.g. kitchen) adjoining the escape

route, can eventually cause the corridor to become

smoke-logged due to smoke leaking out from around the

door before adequate warning can be given by detectors in

the corridor. (Smoke leaking out from a room is often cool

and slow moving so it can take a long time to rise to the

ceiling, and travel to a detector which could be some

distance away). A Heat Alarm in the closed room will give

early warning of fire in that room and help overcome this

problem.

RECOMMENDED LOCATIONS

Figure 2 illustrates where Smoke Alarms and Heat Alarms

should be located in a typical two storey house. Note the

spacings in “Recommended Protection” which help ensure

the early detection of fire and that the warning will be heard.

Locate Heat Alarms in rooms adjoining or on escape routes

- kitchens, garages, boiler houses etc. where Smoke

Alarms are unsuitable. Install within 5.3m (17 feet) of

potential sources of fire.

Single Storey Dwelling

If the Home is on one level (a bungalow or mobile home for

example) you should put the first Smoke Alarm in a corridor

or hallway between the sleeping and living areas. Place it

as near to the living area as possible, but make sure you

can hear it loudly enough to wake a person in the

bedrooms. (for example, see figure 3).

If the bungalow is very large and the corridor or hallway is

more than say 15 metres (50 ft) long, one Smoke Alarm will

not be sufficient. This is because no matter where it is

located it will be more than 7.5 metres from potential fires.

In houses with more than one sleeping area, Smoke Alarms

should be placed between each sleeping area and the living

area.

Multi Storey Dwellings

If the dwelling has more than one storey it must have an

interconnected alarm on each level for minimum protection.

Maximum Protection

For maximum protection you should put individual Smoke

Alarms in all the rooms where fire is most likely to break out

(apart from the locations to avoid, mentioned below).

Ensure that they are all interconnected. The living room is

the most likely place for a fire to start at night, followed by

the kitchen and then the dining room. You should also

consider putting Smoke Alarms in any bedrooms where

fires might occur, for instance, where there is an electrical

appliance such as an electric blanket or heater, or where

the occupant is a smoker. You could also consider putting

Smoke Alarms in any rooms where the occupant is unable

to respond very well to a fire starting in the room, such as

an elderly or sick person or a very young child.

Fire Authorities (including the Home Office, UK) recommend

that both Optical and Ionisation Smoke Alarms should be

fitted for the fastest response to all types of fires. An Optical

Alarm should be located downstairs to detect slow

smouldering fires (e.g. from a cigarette burning in a couch

or bedding, overheated PVC wiring etc). An Ionisation

Alarm should be located upstairs to detect fast flaming fires

(e.g. paper burning in a container or a grease fire in the

kitchen) which could rapidly block the main escape route.

Checking you can hear the Smoke & Heat Alarms

With the Alarm sounding in its intended location, check you

are able to hear it in each bedroom with the door closed,

above the sound of the radio. The radio should be set to a

reasonably loud conversation level. If you can’t hear it over

your radio the chances are that it wouldn’t wake a person.

If a Smoke Alarm is too far away for it to wake a person, it

is best to interconnect to another Smoke Alarm or Heat

Alarm near the bedroom, so when one alarm senses fire, all

interconnected alarms respond (see below for further

details).

LOCATIONS TO AVOID

Don’t place Smoke Alarms in any of the following areas:

• Bathrooms, kitchens, shower rooms, garages or other

rooms where the smoke alarm may be triggered by

steam, condensation, normal smoke or fumes. Keep at

least 6 metres (20 feet) away from sources of smoke.

Don’t place Heat Alarms in any of the following areas:

• Bathrooms, shower rooms or other room where the unit

may be triggered by steam or condensation.

Don’t place Smoke or Heat Alarms in any of the following

areas:

• Places where the normal temperature can exceed 40°C

(104°F) or be below 4°C (39°F) e.g. attics, furnace rooms

etc. directly above ovens or kettles, as the heat/steam

could cause nuisance alarms.

• Near a decorative object, door, light fitting, window

moulding etc., that may prevent smoke or heat from

entering the Alarm.

• Surfaces that are normally warmer or colder than the rest

of the room (for example attic hatches, uninsulated

exterior walls etc). Temperature differences might stop

smoke or heat from reaching the unit.

• Next to or directly above heaters or air conditioning

vents, windows, wall vents etc. that can change the

direction of airflow.

• In very high or awkward areas (eg. over stairwells) where

it may be difficult to reach the alarm (for testing, hushing

or battery replacement).

• Locate away from very dusty or dirty areas as dust

build-up in the chamber can impair performance. It can

also block the insect screen mesh and prevent smoke

from entering the smoke detector chamber.

• Locate the unit at least 1 metre (3 feet) from dimmer

controlled lights and wiring - some dimmers can cause

interference.

• Locate unit at least 1.5m (5 feet) and route wiring at least

1m (3 feet) away from fluorescent light fittings as

electrical “noise” and/or flickering may affect the unit.

• Do not locate in insect infested areas. Small insects

getting into the smoke detector chamber can cause

intermittent alarms. Insects and contamination on the

Heat Alarm sensor can increase its response time.

POSITIONING SMOKE/HEAT ALARMS

The locations must comply with applicable building

regulations.

Hot smoke rises and spreads out, so a central ceiling

position is the preferred location. The air is “dead” and does

not move in corners, therefore Smoke & Heat Alarms must

be mounted away from corners. Place the unit at least

300mm (12 inches) from any light fitting or decorative object

which might obstruct smoke / heat entering the Alarm.

Keep at least 300mm (12”) away from walls. See figure 4.

(Smoke Alarms should be located directly on the ceiling or

up to 570mm below it. Heat Alarms should be located

directly on the ceiling or up to 90mm below it).

Wall mounting is not recommended for these Alarms.

Sloping Ceiling

In areas with sloping or peaked ceilings install your Smoke/

Heat Alarm 90mm (3 feet) from the highest point measured

horizontally (see figure 5), because “dead air” at the apex

may prevent smoke from reaching the unit.

INTERCONNECTING SMOKE/HEAT

ALARMS

When a fire is sensed the alarm must be given throughout

the house. Up to twenty (20) Smoke Alarms (models Ei181,

& Ei186 only) and Heat Alarms (model Ei184) can be

interconnected so that when one senses fire all alarm.

Caution: Do not interconnect to any other type of alarm.

The unit initiating the alarm can be identified by the red LED

on the cover flashing every second. Figure 6 shows the

interconnect wiring.

Note: It is only necessary to wire one relay to the control

panel. If any alarm senses fire this relay will change state

due to the signal on the interconnect line.

These Alarms should be interconnected only within the

confines of a single family living unit. If they are

interconnected between different units there may be

excessive nuisance alarms. Everybody may not be aware

that they are being tested or that it is a nuisance alarm

caused by cooking etc. When one unit alarms all relays will

switch.

Systems using more than 3 or 4 alarms must be very

carefully planned to ensure nuisance alarms are not

excessive, e.g. from cooking or weekly testing.

Smoke Alarm Locator Switch (Ei159) should be incorporated

into the system and be readily accessible to all occupants

so that the source of an alarm can be quickly identified. (see

Accessory section).

All Alarms must be cleaned and maintained regularly.

A competent person must be on call to quickly remove any

faulty alarms (i.e. units with red light flashing), which are

causing all alarms to sound.

INSTALLING SMOKE/HEAT ALARMS

The Alarm is designed to be permanently mounted , using

it’s own built-in terminal blocks to connect it to the panel.

The mounting plate can be screwed directly to the ceiling

after connecting the wires.

IMPORTANT PRECAUTION: Do not install the actual

alarm head itself in new or renovated buildings until all

work is completed (including floor coverings) and the

building has been fully cleaned. The wiring can be

installed when appropriate. (Excessive dust and debris

from building work can contaminate the smoke

chamber or heat sensor and cause problems, it will

also invalidate the guarantee). If it must be installed,

Figure 6

cover it completely, particularly around the edges, with

a dust cover (eg. with the elasticated cover supplied or

a plastic bag), until all cleaning is finished.

Warning: Wiring should only be installed by an Electrician

in accordance with current IEE wiring regulations for

electrical installation. The installation must also be in

accordance with the control panel instructions and the

instructions in this leaflet.

Warning: The mains circuit used to power the control panel

must be a 24 hour voltage circuit and be wired on a

separate circuit (one with no other lights or applilances) to

ensure maximum reliability of the supply.

Warning: The Alarms must be connected to a panel that

supplies a permanent voltage that cannot be switched off.

Warning: For safety reasons the voltage supply from the

control panel must not be greater than 30V (peak or d.c.)

and must be either independent of the supply mains or

isolated from it by double or reinforced insulations.

Warning: If the control panel is not provided with an

ALL-POLE MAINS SWITCH (with a contact specification of

at least 3mm in each pole), then the electrical installation of

the building shall incorporate an ALL-POLE MAINS

SWITCH, (with a contact separation of at least 3mm in each

pole).

Installation

Select a location complying with the above advice.

1. Remove the mounting plate from the Smoke/Heat Alarm

by releasing the tamper-proof catch with a small screwdriver

as shown in figure 1a and sliding the alarm from the plate.

2. Lift the foam flap covering the circuit on the mounting

plate. If necessary move the jumpers on S1 and/or S2 (see

figure 7) by carefully lifting them and placing them over the

required pins.

3. If surface wiring the unit remove the required breakaways.

Low voltage signal cable is satisfactory (e.g. wire 0.22mm2)

provided the resistance between the units and the panel is

less than 20 ohms.

All wiring must comply with local codes. Connect the wires

to the terminals as shown in the wiring diagram (figure 6).

The gasket flap can be tucked behind the terminals while

this is being done. Place gasket flap back over circuit board

and terminals.

4. Carefully align the mounting plate and screw into place.

With recessed wiring, ensure the rear gasket seals around

the edge of the hole in the ceiling. This is to prevent air

draughts affecting the smoke / heat entering the alarm. If

the orifice is too large it should be sealed with silicone

rubber or equivalent.

Check the battery is connected in the back of the alarm.

Carefully line up the unit on the base and slide on.

Press the test/hush button for 10 seconds. The horn should

sound.

7. Connect the panel power to the alarm circuit. The green

light on the mounting plate should turn on.

Check the operation of the Alarm as outlined in the next

section.

CHECKING AND MOUNTING YOUR

ALARMS

INSPECTION & TESTING PROCEDURE

After installation, after re-occupation following a holiday,

and weekly, check all your Alarms as follows:

Check the green light is illuminated on the mounting plate.

This shows the panel is supplying power.

Press the test button for up to 10 seconds to ensure the

sensor chamber, electronics and sounder are working. A

red light on the cover will flash while horn is sounding. The

relay contacts change over when the horn sounds with the

Ei186 units. They change over 6 seconds after the horn

sounds with the Ei181 & Ei184 units. The alarm will stop

when the button is released. Pressing the test button

simulates the effect of smoke or heat during a real fire and

is the best way to ensure the Alarm is operating correctly.

WARNING: DO NOT TEST WITH FLAME.

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