Ei Electronics Ei105B User Manual
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. Ei105C DataSht RevB
Model Ei 105C Optical
High sensitivity – responds to all standard fires
Senses smoke using the light scatter principle,
giving a quick response to visible smouldering
fires
Battery powered – 9V (supplied)
Interconnect up to 12 other alarms
Missing battery indicator
Low battery warning
Built in sounder
Test button
Kitemarked to BS EN 14604:2005
5 year guarantee
Product Description
The Ei105C is an Optical Smoke Alarm that runs on a 9V
battery (supplied with the alarm).
It senses smoke using the light scatter
principle, giving a quick response to visible smouldering
fires
The Ei105C is easily installed and comes supplied with
all necessary screw fixings.
The Ei105C is fitted with a warning flag that pops up
when the battery is removed. This prevents the cover
from closing when there is no battery fitted to the unit.
When the battery is being installed or changed, this flag
must be held down while gently pushing the battery into
the battery holder
When the battery is first connected, the alarm may sound
for 2-3 seconds – this is normal and means that the
battery is connected correctly
Operation
Interconnect up to 12 other alarms (9V ionisation,
optical or heat) when one senses smoke, all alarm.
Helps ensure warning will be heard throughout the
house
The smoke detector will activate the built in sounder
upon sensing smoke particles
The smoke detector will automatically reset itself
and silence the sounder when smoke particles are
no longer present in the sensing chamber
The built in sounder will provide a minimum sound
output of 85dB at 3m
The smoke detector has a built in warning flag to
prevent installation of the detector without a battery
fitted
The “Test” button will perform a self test and sound
the horn (it may take up to 10 seconds)
The smoke detector will emit a beep every 40
seconds to indicate that the battery back up is
depleted and needs replacing
9V BATTERY POWERED
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. Ei105C DataSht RevB
Model Ei105C Optical
Installation & Placement
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 the Instruction Leaflet supplied with the Ei105C for detailed
instructions as to how to correctly install and position the smoke detector
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.
(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..
Technical Specification
Sensor: Optical, uses light scatter from
smoke particles
Sensitivity: Complies with BS 5446 Part 1:
2000
Airspeed: Essentially immune to the effect
of airspeed.
Button Test: Simulates the effect of smoke and
checks chamber, electronics and
horn.
Supply Voltage: 9V battery
Alarm: Piezoelectric-horn
in unit
Alarm Sound Output: 85dB (minimum) at 3m
Temperature Range: 0 to 40°C
Humidity Range: 0% to 90% Relative Humidity
Fixing: Screw fixings supplied
Plastic material: UL94HB flame retardant
Dimensions: 145 x 120 x 45 mm
Weight: 204 grams
Warranty: 5 year (limited) warranty
Approvals: Kitemarked to BS EN 14604:2000,
CE Approved
Specifications are subject to change
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