Model: Ei428
RadioLINK
RELAY BASE
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 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 devices.
The Ei428 RadioLINK Relay Module is powered by the
230VAC mains and has rechargeable back-up cells. As
supplied the relay operates continuously (i.e. it switches when
one of the smoke / heat alarms detects fire and switches back
when the smoke clears).
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
cylinder, 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 wall/
ceiling, the appropriately sized trunking / conduit must be
chosen to mate with the unit. Use a sharp knife to remove
the material from the knockout, making sure that there is no
gap when mated with trunking/conduit. There is one suitable
surface cabling knockout (the other two surface entries are
not recommended as the wiring will reduce the antenna
signal). There is one rear entry knockout. See figure 1b.
4. Screw the Ei428 module to the wall after first removing the
required knockout and bringing the house wires through it
(see figure 1b).
1
MODEL: Ei428
WARNING: DISCONNECT
MAINS BEFORE REMOVAL
RadioLINK RELAY
for Smoke Alarms
HOUSE
CODE
SWITCH
INDICATOR LIGHT
GREEN - MAINS
RED - LOW BATTERY
RED - HOUSE CODING
COVER ATTACHMENT
SCREWS
Figure 1a
5. Connect the house wires (L-Live to wires coloured brown,
red or marked L, N-Neutral to wires coloured blue, black or
marked N) to the terminal block as shown in figure 1b.
NB: The unit must not be earthed so do not connect a green
/ yellow or copper earth wire to any terminal.
6. Connect the wires to the required relay contacts for
controlling the auxiliary device. (The contacts are isolated and
are rated at 250VAC, 5 amps resistive).
P - PULSE
RELAY CHANGES
FOR 5 SECONDS
REAR ENTRY
KNOCKOUT
INDICATOR
LIGHT
ANTENNA
(KEEP CABLES
AWAY)
CONNECT RELAY
WIRES TO THE
TERMINAL BLOCK
NO - NORMALLY OPEN
NC - NORMALLY CLOSED
C - COMMON
(DOUBLE INSULATE ALL WIRES)
Figure 1b
NO
MOUNTING
NC
C
SCREW
HOLES
If momentary relay operation is required, carefully and gently
slide the yellow switch to the “P” position with a small
screwdriver (see figure 1b). This is commonly used with warden
call systems where only momentary short circuit signalling
1
2
1
2
ON
SURFACE
CONDUIT
CABLE
ENTRY
C - CONTINUOUS RELAY
ON
OFF
N
IC
L
L
IC
N
RECHARGEABLE
SLIDE SWITCH
CONNECT MAINS
TO TERMINAL BLOCK
L - LIVE
N - NEUTRAL
CELLS
ON/OFF
HOUSE CODE
SWITCH
is required. 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 sliding
the switch to the “ON” position (see figure 1b). This switch must
be in the ‘on’ position to ensure correct operation.
2
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 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 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. Similarly, put all the other RadioLINK units
in the property into House Code Mode (see relevant user
instructions) within 30 minutes.
11. Check that all the RadioLINK Relay communicates with
each other by counting the number of times the RF light
flashes on each unit in turn. For example, 3 units in the
system should have 3 flashes every 5 seconds, 4 units should
have 4 flashes and so on (if there is a problem see section 3).
12. All the units will automatically exit the house code mode
after 30 minutes.
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).
3. Troubleshooting RadioLINK
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 RF light comes on (this could take up to 40 seconds).
(ii) 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
factory 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
3
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