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Repeater and CO Alarm Interface

FOR USE WITH Ei261ENRC, 151TL, 154TL AND 156TLH

COMMUNICATES WITH ALL OTHER RADIOLINK DEVICES

Instruction Manual

Contains vital information on the product’s operation and

installation. Read and retain carefully. If you are just installing

this product the manual MUST be given to the householder.

1. Introduction

The Ei420 can be used for two purposes:

(1) It connects the Ei260ENRC Series Carbon Monoxide Alarms

with RadioLINK Smoke Alarms and accessories. When the CO

Alarm detects CO it will trigger all the other RadioLINK units

and vice versa. It can also be used to connect Ei151TL, 154TL

and 156TLH smoke/heat alarms to other RadioLINK units.

Note: anytime the CO alarm is mentioned in these instructions

it can also be applied to the Ei150 series of smoke/heat alarms.

(2) It can be used as a stand-alone RadioLINK Repeater unit

in installations that require additional signal coverage but where

the installation of an additional alarm may not be suitable.

Installing an Ei420 in an intermediate position will shorten

and/or provide multiple RF signal paths.

It is powered by 230V AC mains power and has built in

rechargeable Lithium cells. It is a stand alone model with its

own cover plate.

The Ei420 uses advanced transceiver and signal coding

technology to ensure robust and reliable RF signalling.

2. Installation

2.1 RadioLINK Interface to an Ei260ENRC Series CO Alarm

If purchasing the Ei420 as a RadioLINK interface with a CO

alarm then it should be mounted close to the alarm. It can be

mounted a short distance away as shown in Figure 2 or it can

be mounted directly above the alarm as shown in Figure 3.

Choose a suitable mounting position near the mains supply

but keep the Ei420 away from metal surfaces or large metal

objects (e.g. water cylinder, fuse boards) which can reduce

the RF signal range.

2.2 As a Repeater

The function of a Repeater is to receive and then re-transmit

the RF signals. This shortens signal paths throughout the

installation to give improved RF signal reliability. If purchasing

the Ei420 for use as a Repeater it should be mounted in an

intermediate position where the signal needs to beRadioLINK

strengthened (for example see figures 1(a) and 1(b)). The

Repeater function is not operational until all units have been

House Coded (see individual instruction lealets). The operation

of the Repeater can be observed as the Ei420 turns on its red

light as a RadioLINK message is being repeated. A maximum

of 10 units (e.g. Ei168RC and Ei420 units) can beRadioLINK

set as Repeaters in any one system. If using more than 10

units within a system see Section 8 (Technical Specification).

2.3 Mounting and Wiring

WARNING: Mains powered modules should be installed by a

qualified electrician in accordance with the Requirements for

Electrical Installations, BS7671. Failure to install the unit correctly

may expose the user to shock or fire hazards. This unit is not

waterproof and must not be exposed to dripping or splashing.

1. Disconnect the AC mains supply from the circuit that is

going to be used.

2. Where the incoming wiring is on the surface of the

wall/ceiling, the appropriately sized trunking / conduit must be

chosen to mate with the unit. There is one suitable surface

cabling knockout as shown in Figure 3 (the other two surface

entries are not recommended as the wiring may effect the

antenna signal). There is one rear entry knockout (see Figure

3.) Unscrew the cover attachment (see Figure 3). Use a sharp

knife to remove the material from the knockout, making sure

that there is no gap when mated with trunking/conduit.

3. Screw the Ei420 to the wall or ceiling after first removing the

required knockout and bringing the house wires through it

(see Figure 3).

4. Connect the house wires to the terminal block as follows:

L-Live to wires coloured brown or marked L,

N-Neutral to wires coloured blue or marked N

IC- Hardwire Interconnect to an Ei Electronics mains powered

alarm as shown in Figure 4(a) and Figure 4(b). Note: when the

Ei420 is being used as a stand alone repeater, do not connect

anything to the Interconnect terminal (see Figure 5.)

NB: The unit must not be earthed so do not connect a green /

yellow or copper earth wire to any terminal.

5. Activate the rechargeable cells by carefully and gently

sliding the switch to the “on” position (see Figure 3). This

switch must be in the ‘on’ position to ensure correct operation.

6. Fit and screw the cover to the Ei420 using the two screws

supplied.

7. Connect the mains power to the Ei420 module. Check the

green light is on. If the green light changes to red every 10

seconds then switch off the mains power, remove the cover

and check that the battery slide switch is in the “on” position

(see Figure 3). Replace the cover and turn the mains power

back on. If there is still a problem the rechargeable cells may

be depleted. Leave the unit on mains power for 2 hours to

charge and check that the green light is now on continuously.

8. Press and hold the House Code switch through the hole in

the cover using a small screwdriver, (see Figure 3) until the

green light changes to red. Immediately release the switch

and the light will flash red quickly. The green light will then

flash red every 5 seconds (this is a dual colour light so the

green light remains on when the red light is off and vice

versa). Similarly, put all the other RadioLINK units in the

property into House Code Mode (see relevant user

instructions) within 15 minutes (before the House Code

timeout period expires).

9. Check that all the RadioLINK units communicate with each

other by counting the number of times the light flashes on each

unit in turn. The light will flash red on the Ei420. For example,

3 units in the system should result in 3 flashes every 5

seconds, 4 units should result in 4 flashes and so on (if there

is a problem see Section 4 on Troubleshooting RF Link).

10. All the units will automatically exit the House Code Mode

after 30 minutes. However, p1-we recommend that you manually

exit the House Code Mode by pressing and holding the House

Code switch on the Ei420 or on an Ei168RC until the House

Code light turns on solidly. Immediately release the House

Code switch.The light should stop flashing and an “Exit House

Code” signal will be sent to all other Ei168RC and Ei420 units

in the system. (With other units such as the Ei405,RadioLINK

Ei407, Ei411 etc., the units can be taken out of House Code

Mode by pressing their House Code switch - see their

instructions for details). This reduces the risk of accidentally

House Coding your alarms with other RadioLINK systems.

(Note: To clear House Codes see Section 8 - Technical

Specification).

1 2 4 5

CO AlarmEi420

approx

1 to 2m

Figure 1

Weak RF signal

Ei420 installed in an

intermediate position

to strengthen the RF

signal

Figure 2a

Figure 2b

RECHAR

EABL

CELL

LIDE

WIT

OUS

WIT

ANTENNA

(KEEP CABLE

AWAY)

REAR ENTRY

OUT

INDICAT

RFA

CABL

ENTRY

Ei260ENRC

SERIES CO

ALARM

CRE

NTIN

MAIN

WIRIN

ARB

N M

XIDE ALAR

NNECT MAIN

TERMINAL BL

OCK

OUSE

WIT

i42

INDI

R LI

REEN - MAIN

RED - H

OUS

E C

DIN

R L

W BATTER

ATTACHMEN

SCREWS

Figure 3a - Connecting an Ei420 to an Ei260ENRC

Series CO Alarm

Figure 3b

LIVE

INTERCONNECT

NEUTRAL

Ei151TL, Ei154TL,

Ei156TLH Smoke/Heat

Alarm

i42

L IC N

Figure 4b - The Ei420 used as an interface with an

Ei150 Series Smoke/Heat Alarm

i42

Figure 5 - The Ei420 used as a stand alone

RadioLINK Repeater

Model: Ei420

LIVE

INTERCONNECT

NEUTRAL

Ei260ENRC Series

CO Alarm

i42

L IC N

Figure 4a - The Ei420 used as an interface with an

Ei260ENRC Series Carbon Monoxide Alarm

A16261-RO-Ei420-UC-ENG 21/12/07 9:56 AM Page 1

3. Checking and Maintaining

We recommend that your alarm system is checked directly

after installation and then weekly.

Check that the green mains power indicator is on (if this is off,

check circuit breaker, fuses and wiring etc).

3.1 Ei420 connected to an Ei260ENRC Series CO Alarm

Check the communications by pressing theRadioLINK

test/hush button on the CO alarm for up to 20 seconds. The

horn will sound and the indicator light on the Ei420 should

change to red continuously for about 3.5 seconds. This

indicates that a RadioLINK message has been sent. All other

RadioLINK alarms should now sound. Release the test

button. The CO alarm should cease and you should then be

able to hear the other alarms sounding in the distance before

they also cease. (If any of the other alarms do not sound, see

Section 4 - Troubleshooting RF Link)

3.2 Ei420 used as a Repeater

If the Ei420 was installed to strengthen the signal to an alarm

(that was previously not receiving a signal), then check the

RadioLINK communications, by pressing and holding the

test/hush button on this alarm for up to 20 seconds. All other

RadioLINK alarms should now sound. This check should be

repeated on all RadioLINK units within the system.

3.3 Checking rechargeable back-up cells

It is important to check that the rechargeable back-up cells in

the Ei420 are switched on, charged and capable of powering

the unit. We therefore recommend that the rechargeable

back-up cells are checked directly after installation and then

at least yearly as follows.

(i) Disconnect the mains power supply from the Ei420

(ii)Check that the green light is not flashing red once every 10

seconds. (If it is, this indicates that the rechargeable cells are

depleted. Remove the cover and check that the rechargeable

cell ‘on/off’ switch is in the “ON position - see Figure 3. Re-fit the

cover and reconnect the mains. If it is still flashing red, leave it

for 2 hours to charge and then re-check. If it continues to flash

red every 10 seconds then it may be defective and must be

replaced - see Section 6 - “Getting your Ei420 serviced”)

(iii) Now check the operation as outlined in 3.1 and 3.2 above.

(iv) Re-connect the mains and check the green light comes on

End of Life

After 10 years the Ei420 must be replaced (see “Replace By’

date on the side of the Ei420).

4. Troubleshooting RF Link

If, when checking the interconnection, some ofRadioLINK

the units do not respond

(i) If using the Ei420 as an interface to an Ei260ENRC

Series CO Alarm - Ensure you have held the CO alarm test

button down until the green light on the Ei420 has illuminated

red twice, for 3.5 seconds each time (this could take up to 20

seconds).

If using the Ei420 as a Repeater

Check all Alarms and accessories respond correctly when

button tested. Check that the green light on the Ei420 turns

red for a few seconds when RF messages are being relayed.

(ii) Add another Ei420 as a Repeater.

(iii) Change the position of the flexible antenna (see Figure 6)

by moving it outside the housing and changing it to a horizontal

or vertical position. To do this, use a sharp knife and carefully

add a notch in the side to allow the antenna to be brought out.

(iv) Re-locate/rotate the units. There are a number of reasons

why the RadioLINK signals may not reach all the RadioLink

units in your system (see Section 5 - Limitations of Radio

Communications). Try rotating the unit or re-locating the unit

(e.g. move it away from metal surfaces or wiring) as this can

significantly improve signal reception.

Rotating and/or relocating the unit may move it out of the range

of existing units even though it may have already been House

Coded correctly in the system. It is therefore important to check

that all alarms are communicating in their final installed

positions. If units are rotated and/or resited, we recommend

that all units are returned to the factory settings (press and hold

the House Code switch on for about 6 seconds until the relevant

light comes on and then flashes slowly). Immediately release

the switch and the light should stop flashing.Then House Code

all units again in their final positions as indicated above. The

RadioLINK interconnection should then be re-checked.

Check all Alarms and accessories respond correctly when

button tested. Check that the green light on the Ei420 turns

red for a few seconds when RF messages are being relayed.

5. Limitations of Radio Communications

Ei Electronics radio communication systems are very reliable

and are tested to high standards. However, due to their low

transmitting power and limited range (required by regulatory

bodies) there are some limitations to be considered.

(i) Radio equipment, such as the Ei420, should be tested

regularly - at least weekly. This is to determine whether there are

sources of interference preventing communication. The radio

paths may be disrupted by moving furniture or renovations, and

so regular testing protects against these and other faults.

(ii) Receivers may be blocked by radio signals occurring on or

near their operating frequencies, regardless of the House

Coding.

The Ei420 has been tested to EN 300 220-1 V1.3.1 (2000-09) in

accordance with the requirements of EN 300 220V1.1.1 (2000-

09). These tests are designed to provide reasonable protection

against harmful interference in residential installations. This

equipment generates, uses and can radiate radio frequency

energy and, if not installed and used in accordance with the

instructions, may cause harmful interference to radio and

television reception. However, there is no guarantee that

interference will not occur in a particular installation. If this

device does cause such interference, which can be verified by

turning the device on and off (remove the mains supply and turn

off back up power supply), the user is encouraged to eliminate

the interference by one or more of the following:

(i) Re-orientate or re-locate the unit

(ii) Increase the distance between the Ei420 and the device

being affected.

(iii) Connect the device being affected to a mains outlet on a

circuit different from the one that supplies the Ei420.

(iv) Consult the supplier or an experienced radio/television

technician.

6. Getting Your Ei420 Serviced

If your Ei420 fails to work after your have carefully read all the

instructions, checked that the unit has been installed correctly,

and is receiving AC power (green light on) contact Customer

Assistance at the nearest address given at the end of this

leaflet. If it needs to be returned for repair or replacement,

open the cover and turn off the rechargeable cells slide switch

(see Figure 3). Put the unit in a padded box and send it to

“Customer Assistance and Information” at the nearest address

given on the unit or in this leaflet. State the nature of the fault,

where the unit was purchased and the date of purchase.

7. Five Year Guarantee

Ei Electronics, guarantees this unit for five years from date of

purchase against any defects that are due to faulty materials

or workmanship. This guarantee only applies to normal

conditions of use and service, and does not include damage

resulting from accident, neglect, misuse, unauthorised

dismantling, or contamination howsoever caused. This

guarantee does not cover costs associated with the removal

and/or installation of units. If this unit should become defective

within the guarantee period, it must be returned to Aico or Ei

Electronics, with proof of purchase, carefully packaged, and

with the problem clearly stated. (see “Getting Your Ei420

Serviced”). We shall at our discretion repair or replace the

faulty unit.

8. Technical Specification

• A dual-purpose module: (1) It can be used to interface an

Ei260ENRC Series Carbon Monoxide (CO) alarms or

smoke/heat alarms Ei151TL, Ei154TL, Ei156TLH and

communicates with all other RadioLINK devices. It must not

be wired to any other Ei Alarm products (2) It can be used

as a RadioLINK Repeater module. The unit will receive

RadioLINK signals and re-transmit them.This can be useful

as it shortens and provides multiple, RF signal paths to

strengthen the RadioLINK system in difficult installations.

Note: the Repeater function only operates after the units are

House Coded.

• It is supplied with its own cover.

• Requires 230V AC Mains Power Supply – constant green

LED indicates mains power is present.

• Features built-in tamper proof Rechargeable Lithium back-up

cells, capable of lasting at least 10 years and powering the unit

initially for at least 2 months in the event of mains power failure.

The cell manufacturer endorses a minimum 10-year life

expectation for the rechargeable cells. The cells are activated

by operating the battery switch inside the unit.

• Low back-up warning signal – LED indicator flashes red every

10 seconds to indicate that the lithium cells are depleted or not

connected.

• Radio frequency: 868MHz band in accordance with R&TTE

Directive 1999/5/EC – this band has been designated for use

with security products and only allows a 1% duty cycle, so

continuous transmission and interference from external

sources is extremely remote, and would be illegal.

• Up to 12 units can be used in one system. ForRadioLINK

larger systems contact our Technical Service Department for

guidance.

• Units are in Factory Code when shipped (they will all

communicate with each other).They must be ‘House Coded’ to

eliminate the risk of adjacent properties communicating with

each other. After house coding they will only communicate with

other RadioLINK units coded at the same time.

• House Code: operate the ‘House Code’ switch on all

RadioLINK units in the system – see the instructions

supplied with the other units being used. On theRadioLINK

Ei420, the green LED on the cover will change to red and

flash slowly: this indicates that it will receive the unique

serial numbers being sent by all other units inRadioLINK

‘House Code’. The number of red flashes of the LED

indicates the number of units in the system. The Ei420 will

return to normal standby mode automatically after 30

minutes. Pressing the ‘House Code’ switch again will return

it to normal standby mode immediately.

• Clearing House Codes: The House Codes memorised can be

cleared by pressing and holding the House Code switch on for

about 6 seconds. The red light will come on solidly, then flash

rapidly. Immediately release the House Code switch. The

Ei420 will now be in the default Factory Code.

• To de-activate the Repeater function: The Repeater function

of the Ei420 can only be de-activated if it is wired to an

Ei260ENRC Series CO alarm. To de-activate, press and

hold the test button on the CO alarm until it sounds and the

indicator light on the Ei420 illuminates red. Immediately

(while the red light is still on) press and hold the House Code

switch with a small screwdriver until the red light starts to

flash slowly. Immediately release the switch.

The red light will flash slowly a total of four times and then

stop. This indicates that the Repeater function has been de-

activated on this unit.

If it is necessary to re-activate the Repeater function, simply

follow the same steps for de-activating. The red light will flash

slowly a total of sixteen times (instead of four) after the last

step is completed.

• The product is CE marked to indicate conformance to BS EN

60065:1998 (Electrical Safety), EN300220-1 V1.3.1 (2000-

09) (RF Performance), EN301489 V1.4.1 (2002 08) (EMC)

and has been 3rd party tested for electrical safety in

accordance with Annex K of BS 5446: Pt.1: 2000.

• Can be surface wired with 25mm trunking. It has a flush

centre knockout for recess wiring.

• Ambient Temperature Range: 4°C to 40°C. Humidity Range:

0 to 90 % relative humidity.

• Dimensions: 140 diameter x 27mm depth. Weight inclusive

of packaging: 220g.

• 5 year guarantee.

• Manufactured in the EU.

Aico Ltd.,

Mile End Business Park, Maesbury Road, Oswestry,

Shropshire SY10 8NN, U.K.

Telephone: 0870 758 4000

www.aico.co.uk

Ei Electronics,

Shannon Industrial Estate, Shannon, Co. Clare, Ireland.

Telephone: +353 (0) 61 471277

www.eielectronics.com

6 7

Change the position of

the exible Antenna

Notch for Antenna

Figure 6 - Shows the Antenna moved to the

outside of the Ei420 housing

8 9 10

The crossed out wheelie bin symbol that is on your

product indicates that this product should not be disposed

of via the normal household waste stream. Proper

disposal will prevent possible harm to the environment or

to human health. When disposing of this product please

separate it from other waste streams to ensure that it can

be recycled in an environmentally sound manner. For

more details on collection and proper disposal, please

contact your local government ofce or the retailer where

you purchased this product.

P/N A15267 Rev 0

A16261-RO-Ei420-UC-ENG 21/12/07 9:56 AM Page 2

Product specificaties

Merk:	Ei Electronics
Categorie:	Niet gecategoriseerd
Model:	Ei420
Kleur van het product:	Wit
Gewicht:	180 g
Breedte:	140 mm
Diepte:	140 mm
Hoogte:	26 mm
LED-indicatoren:	Ja
Type stroombron:	AC
Batterij bijna leeg-indicatie:	Ja
Ingangsspanning:	230 V
Frequentie:	50 Hz
Koppelbaar:	Ja
Stroomindicatielampje:	Ja
Bedrijfstemperatuur (T-T):	0 - 40 °C
Relatieve vochtigheid in bedrijf (V-V):	15 - 95 procent
Batterijtechnologie:	Lithium
RF Zendbereik:	150 m
RF-zendfrequentie:	868 MHz
Aantal onderling verbonden alarmen (max):	12
Radio RF-vermogen:	+5dBm