Shannon Free Zone, Shannon, Co. Clare, Ireland.
Ph.+353 61 471277 Fx.+353 61 471053
Email. eielectronics@eiltd.ie
Web: www.eielectronics.com
E & OE As our policy is one of continuous product development, we reserve the right to alter product details without prior notice. Ei146 DataSht RevB
Model Ei146 Optical
Easi-Fit base
9V Alkaline Battery back up
High performance optical chamber with integral
insect screen
Test/Hush button
Advanced suppression and calibration technology
Interconnectable to other Ei mains powered alarms
Built in auto self test feature
Low power cell warning
Kitemarked to BS EN 14604:2005
5 year guarantee
Product Description
The Ei146 is an Optical Smoke Alarm that runs on 230V
AC mains power, and has a 9V alkaline battery back up
in the event of mains failure. The 9V battery will last for
up to 4 years in standby mode, and capable of powering
the smoke detector for up to 2 years in the event of
mains failure.
The Ei146 is supplied with the Easi-Fit base that allows
very quick and simple installation of the smoke alarm,
combined with simple detector head removal and
replacement. The Easi-Fit base automatically connects
both mains power and battery as the detector head
slides on to the Easi-Fit base.
The Ei146 has other advanced features such as high
performance optical chambers fitted with integral insect
screens to reduce the chances of false alarms, as well
as the ability to interconnect up to twelve alarms to allow
all alarms to sound if just one of the interconnected
alarms should be triggered.
The Ei146 has built in circuitry to aid suppression of
voltage transients and RF interference to further reduce
the chances of false alarms under such conditions.
Operation
The green indicator will illuminate to show mains
power is present
The red indicator will flash every 40 seconds to
show that the detector has performed an automatic
self test
The red indicator will flash rapidly to show an alarm
condition for the smoke detector
The “Test/Hush” button will either silence false
alarms or perform a unit self test
In “Test” mode the alarm will perform a self test and
sound the horn
In “Hush” mode the alarm enters a ten minute period
of reduced sensitivity to overcome false alarm
conditions, and will then automatically reset itself
When interconnected to other Ei mains powered
alarms, an alarm on one detector will trigger all other
interconnected alarms within one second (only the
triggered alarm will flash a red indicator)
The smoke detector will emit a beep and flash the
red light every 40 seconds to indicate that the
battery back up is depleted and needs replacing
MAINS POWERED 230V~
9V Alkaline Battery Back-Up
Shannon Free Zone, Shannon, Co. Clare, Ireland.
Ph.+353 61 471277 Fx.+353 61 471053
Email. eielectronics@eiltd.ie
Web: www.eielectronics.com
E & OE As our policy is one of continuous product development, we reserve the right to alter product details without prior notice. Ei146 DataSht RevB
Model Ei146 Optical
Installation & Placement
Wiring for Interconnected Alarms
Be very careful about correctly wiring the alarms as mixing Live and Neutral
will blow/damage interconnected alarms.
Alarms should be placed in accordance with the general guidelines shown in
the diagram above. These recommendations are based on the problem of
areas of “dead air” close to corners of rooms and apexes of ceilings, which
could result in the prevention of smoke reaching the smoke detector
Please consult instruction booklet for specific installation details
Important Precaution:
Do not install the actual smoke/heat alarm
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 and
cause problems, and it will also invalidate the
guarantee). If it must be installed, cover it
completely, particularly around the edges, with
a dust cover (eg. a plastic bag), until all
cleaning is finished.. Connect wires to the unit
as in wiring diagram. All wiring must comply
with local codes.
Technical Specification
Sensor Optical, uses light scatter from
smoke
Sensitivity: Complies with BS 5446 Part 1:
2000
Source: Contains no radioactive material
Airspeed: Essentially immune to the effect
of airspeed.
Button Test: Simulates the effect of smoke and
checks chamber, electronics and
horn.
Ambient Light: Chamber housing design and
compensation overcomes
problems with stray light.
AutomaticSelf-Test: Smoke Chamber is tested every 40
Sec. and unit beeps (without LED
flash) if it is degraded.
Insect Screen: Prevents insects or debris entering
chamber (1.00mm mesh size)
Supply Voltage: 230V AC
Battery back up: 9V Alkaline Battery
Specifications are subject to change
Power-On Indicator: Continuous green LED
Alarm: Electronic Piezoelectric horn
Alarm Sound Output: 85dB (minimum) at 3m
Alarm Status: Red LED flashes every second on
unit sensing fire
Temperature Range: 0° to 40°C
Humidity Range: 15% to 95% Relative Humidity
Interconnect: Up to 12 interconnected mains
powered easi-fit smoke or heat
alarms, along with an EI128 relay
base
Fixing: Easi-Fit mounting base
Plastic material: UL94VO flame retardant
Dimensions: 152mm x 50mm depth
Weight: 345g
Warranty: 5 year (limited) warranty
Approvals: Kitemarked to BS EN 14604:2005,
CE Approved
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