1. Removing the Existing Alarm
Ei151EK - Ionisation
Ei154EK - Heat
Ei156EK - Optical
Locate the tamper catch
The tamper catch is located on the opposite side to
the alarm hinges (as shown in the above image).
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User Manual for the easichange
Replacement Series:
Congratulations!
You have purchased a genuine Ei
Electronics replacement smoke/heat alarm kit.
This replacement kit contains everything you need to
easily, quickly and safely replace your mains powered,
Ei Electronics smoke or heat alarm.
1
Warning!
Before the existing alarm is removed
the mains power must be disconnected.
Look on your mains distribution board for a
switch marked “Smoke Alarms” or similar and
switch this off. If there isn’t a switch marked
with a recognisable label, switch the mains
power off.
Note:
This will cut power to everything in the
house including the lights.
Disconnect the mains power
Insert the removal tool
Insert the supplied removal tool into the left hand
side of the tamper catch and lever it down gently.
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2. Connecting the New Alarm
Slide the alarm off the mounting plate
With the removal tool still inserted, slide the lower
half of the alarm away from the removal tool, the
alarm will detach from the base.
4
Remove the alarm
Gently move the alarm vertically towards the floor.
It is important to do this slowly as the alarm is still
attached with its power and interconnection cable.
5
Unplug the terminal block
Unplug the power and interconnection terminal block
from the back of the alarm.
Care should be taken to pull the terminal block and
not the cables.
6
Connect the terminal block
Plug the power and interconnection terminal block
into the back of the new alarm.
Note:
The block will only connect one way.
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Attach the alarm
Place the alarm on the base plate and slide it
towards the tamper catch until it “clicks” into place.
2
After the new alarm has been attached to the
base plate, reconnect the mains power supply.
3
Reconnect the mains power
3. Checking the new Alarm
Checking the indicating lights
Once the new alarm has been
connected and the mains power
has been restored it is important
to check the indicating lights.
If the alarm is working
correctly the
GREEN LIGHT
(mains indicating light)
should be
on constantly and the
RED LIGHT
should flash once every 40 sec.
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