Ei Electronics Smoke Alarm Ei428 User Manual

Model: Ei 428  
RADIOLINK RELAY  
FOR USE WITH EI168, 405, 405TY & 3105RF  
Instruction Manual  
MODEL Ei428  
Contains vital information on the products 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 Ei428 RadioLINK Relay Module is a device that switches  
a relay upon receipt of an alarm signal from a suitable Ei  
smoke/heat alarm. The electrically isolated contacts can be  
used for many applications such as signalling, turning on  
lights, etc. The Ei428 is designed to operate with Ei  
RadioLINK products (Ei168, 405, 405TY, 407, 410, 411 &  
3105RF).  
The Ei428 RadioLINK Relay Module is powered by the  
230VAC mains and has rechargeable back-up cells. As sup-  
plied the relay operates continuously (i.e. it switches when  
one of the smoke / heat alarms detects fire and switches back  
when the smoke clears). When the slide switch is moved to  
the pulse ‘P’ position (see figure 1b) the relay will switch when  
fire is detected but will automatically switch back after 5 sec-  
onds. This is commonly used with warden call systems where  
only momentary short circuit signalling is required.  
2. Installation  
WARNING: Mains powered Ei428 RadioLINK Relay modules  
should be installed by a qualified electrician in accordance  
with the Regulations for Electrical Installations published by  
the Institution of Electrical Engineers (UK) (i.e. 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. Choose a suitable mounting position near the mains supply  
and the device to be connected to the relay. Keep it away  
from metal surfaces or large metal objects (e.g. water cylin-  
der, fuse boards) which can reduce the RF signal range.  
2. Disconnect the AC mains supply from the circuit that is  
going to be used.  
3. Where the incoming wiring is on the surface of the ceiling,  
the appropriately sized trunking / conduit must be chosen to  
mate with the unit. Use a sharp knife to remove the material  
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If momentary relay operation is required, carefully and gently  
slide the yellow switch to the Pposition with a small screw-  
driver (see figure 1b). This must be done before the mains  
power is connected or the rechargeable cells are activated.  
7. Connect the rechargeable cells by carefully and gently slid-  
ing the switch to the onposition See figure 1b.  
8. Fit and screw the cover to the module pillars using the two  
screws supplied.  
9. Connect the mains power to the Ei428 module. Check the  
green light is on. If a red light flashes every 10 seconds then  
switch off the mains power, remove the cover and check that  
the battery slide switch is in the Onposition (see figure 1b).  
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 test  
again.  
10. Press and hold the House Code switch through the hole  
in the cover using a small screwdriver, see figure 1a, until the  
green light changes to red. Release the switch and the light  
will flash red quickly, a few times. The red light will then flash  
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 timeout period expires).  
11. Check that all the RadioLINK units have communicated  
with each other by counting the number of times the light  
flashes on each unit in turn (the light will flash red on the  
Ei428 relay modules, amber on the Ei168 bases and blue on  
the Ei405/405TY). For example, 3 units in the system should  
have 3 flashes every 5 seconds, 4 units should have 4 flash-  
es and so on (if there is a problem see section 3).  
12. All the units will automatically exit the house code mode  
after 15 minutes. We recommend that you manually exit the  
house code mode by pressing and holding the house code  
switch, on all units, until the red/amber/blue light (depending  
on the unit) turns on. This reduces the risk of accidentally  
house coding your alarms and other components with nearby  
systems.  
13. Check the RadioLINK communication by pressing the  
test/hush button for up to 60 seconds on each alarm. Ensure  
that the device connected to the relay contacts operates.  
After 60 seconds release the test button check the device  
switches off. (If the continuous/pulse slide switch is in the  
pulse position, check the relay just switches on for 5 seconds  
and then switches off).  
If an Ei410 is being used, (with the relay in continuous Con  
mode), check that pressing the test button causes the relay to  
switch and that releasing the test button causes the relay to  
switch back.  
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3. Troubleshooting RF Link  
If, when checking the radio link interconnection, some of the  
Ei428 RadioLINK Relays do not respond to the button test,  
then:  
(i) Ensure you have held the smoke/heat alarm test button  
down until the light has come on twice, for 3.5 seconds each  
time (this could take up to 20 seconds).  
(ii) Convert one of the RadioLink units (an Ei168 or Ei405) that  
is centrally located within the house in to a Repeater(see  
relevant user instructions).  
(iii) Re-locate/rotate the units. There are a number of reasons  
why the radio link signals may not reach all the RadioLink  
Relays in your system (see section on Limitations of Radio  
Frequency Signals). Try rotating the unit or re-locating the  
units (e.g. move them away from metal surfaces or wiring) as  
this can significantly improve signal reception.  
Rotating and/or relocating the units may move them out of the  
range of existing units even though they may have already  
been house coded correctly in the system. It is important  
therefore to check that all detectors/relays are communicating  
in their final installed positions. If units are rotated and/or  
resited, we recommend that all units are returned to the fac-  
tory settings (press and hold the house code switch on for  
about 6 seconds until the relevant light comes on and then  
flashes slowly). Then house code all units again in their final  
positions as indicated above. The radio link interconnection  
should then be re-checked again.  
4. 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 Ei428 RadioLink Relay,  
should be tested regularly at least weekly. This is to deter-  
mine 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 Ei428 Relay 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 residen-  
tial 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 inter-  
ference to radio and television reception.  
However, there is no guarantee that interference will not occur  
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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 measure:  
(i) Re-orientate or re-locate the unit  
(ii) Increase the distance between the Ei428 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 Ei428.  
(iv) Consult the supplier or an experienced radio/television  
technician.  
5. Checking & Maintaining Your Smoke Alarm System  
We recommend a weekly check is made of your alarm sys-  
tem. When checking the system also check the Ei428 as fol-  
lows:  
(i) Check that the green mains power indicator is on (if this is  
off, check circuit breaker fuse, wiring etc.).  
(ii) Check the relay switches and that the associated device  
operate when the system is in alarm (e.g. due to a smoke  
alarm test button being pressed).  
6. Checking RadioLINK Relay Back-Up Cells  
It is important to check that the rechargeable cells in the Ei428  
Relay module are switched on, charged and capable of pow-  
ering the system.  
(i) Check that the green light is on and that it is not flashing  
red once every 10 seconds. If it is, this indicates that either  
the rechargeable cells in the RadioLink Relay are not con-  
nected or depleted. Disconnect the mains supply. Remove  
the cover and gently slide the battery slide switch (see fig 1b)  
into the onposition. If the green light is still changing to  
flashing red every 10 seconds, leave it for 2 hours to charge  
and then re-check it.  
(ii) Disconnect the mains supply. The green light in the Ei428  
will turn off. Check the radio link relay as described in section  
2, item 13 above. Check the red light does not flash every 10  
seconds.  
(iii) If everything is satisfactory, re-connect the mains.  
If the relay fails to operate or the red light continues to flash  
every 10 seconds (even after (i) above) then the unit is defec-  
tive and must be replaced (see getting your RadioLink Relay  
serviced as per section 7 below).  
End of Life  
After 10 years (see date on the side of the RadioLink Relay  
Base) the Ei428 Relay module must be replaced.  
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7. Getting your RadioLink Base Serviced  
If your RadioLink Relay 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 cover and turn off rechargeable cells with  
slide switch (see fig 1b). Put the RadioLink Relay in a padded  
box and send it to Customer Assistance and Informationat  
the nearest address given on the unit or in this leaflet. State  
the nature of the fault, where the RadioLink Base was pur-  
chased and date of purchase.  
8. Five Year Guarantee  
Ei Electronics, guarantees this Ei 428 RadioLink Relay 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, mis-use,  
unauthorised dismantling, or contamination howsoever  
caused. This guarantee does not cover costs associated with  
the removal and/or installation of units. If this RadioLink  
Relay should become defective within the guarantee period, it  
must be returned to Ei Electronics, with proof of purchase,  
carefully packaged, and with the problem clearly stated. (see  
Getting Your RadioLink Relay Serviced). We shall at our  
discretion repair or replace the faulty unit.  
Do not interfere with the RadioLink Relay or attempt to tam-  
per with it. This will invalidate the guarantee, but more impor-  
tantly may expose the user to shock or fire hazards. This  
guarantee is in addition to your statutory rights as a con-  
sumer.  
9. Technical Specification  
Mains: 230 VAC, 40mA, 50HZ, 0.8W  
Mains Indicator: Green LED lights continuously (apart from  
when it switches momentarily to red as outlined below)  
Battery Back-Up: Rechargeable Built-In Lithium Cells  
(operates for up to 2 months in standby)  
Approvals: Complies with EMC, Electrical Safety and Radio  
Regulations including requirements of the RTTE Directive  
Compatibility 1999/5/EC (RF Performance to EN300220-3,  
EMC to EMC 301489-3) independently tested  
Humidity Range: 15% to 95% RH (non-condensing)  
Radio Frequency: 868.499 MHz (Regulated 1% duty cycle band)  
RF Power: +5dBm  
Range: 150 meters (minimum) in free space  
RF RECEPTION  
Alarm Signal Reception: Switches latching relay for 60 sec-  
onds (with switch in continuous mode) unless it receives an  
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alarm cancel signal within that period. It switches the relay for  
5 seconds with the switch in pulse mode.  
Low Battery Indication: Red light flashes every 10 seconds.  
(The green light switches off when the red is on).  
Size of System: : the recommended maximum number of  
Radiolink units should not exceed 12 i.e any combination of  
relays, smoke alarms and remote controls to a maximum of  
12 in total. Contact the Technical Services Department at one  
of the addresses below for advice on systems requiring more  
than this.  
Communication: All units will communicate with other  
uncoded devices (e.g. Smoke Alarms) as shipped. After a  
unit has been house coded it will only communicate with other  
units house coded at the same time. House coding is essen-  
tial to prevent false alarms from neighbouring systems.  
Entering House Code Mode: Pressing and holding the  
House Code switch until the red light comes on puts the  
RadioLink Relay into House code mode.  
House Code Mode: The RadioLink Relay transmits and  
receives specific Codes. The red light flashes once every 5  
seconds (interupting the green light) for each units code it  
memorises (including itself). Only 12 flashes can be counted  
in house code mode so communication among more than  
12 devices has to be done functionally with the test buttons  
etc.  
Duration of House Code Mode: 15 minutes  
Clearing House Codes: The house codes memorised can be  
deleted (i.e. the RadioLink Relay can be uncoded) by press-  
ing and holding the House Code switch on for about 6 sec-  
onds. The red light will come on and then flash slowly to  
Indicate the smoke alarm has been returned to the default  
Factory settings.  
Aico Ltd.,  
Mile End Business Park,  
Maesbury Road, Oswestry,  
Shropshire SY10 8NN, U.K.  
Telephone: 0870 7584000  
Ei Electronics,  
Shannon Industrial Estate,  
Shannon, Co. Clare, Ireland.  
Telephone: +353 61 471277  
P/N A15267 Rev 0  
© Ei Electronics 2004  
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