Ei Electronics Ei 405 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. Ei405 DataSht RevB
Model Ei405 RF Optical
RF wireless interconnect
Unique house coding feature
Visual RF transmission indicator
High performance optical chamber with integral
insect screen
Test/Hush button
Advanced suppression and calibration technology
Radio transmitter and receiver in each alarm
Built in auto self test feature
Low power cell warning
Kitemarked to BS EN 14604:2005
5 year guarantee
Product Description
The Ei405 is an Optical Smoke Alarm that runs on 9V
alkaline battery and is part of the RadioLINK range of RF
alarms. The RF signal will wirelessly interconnect the
Ei405 to other RadioLINK products
The Ei405 uses advanced radio transciever technology
with unique software coding to transmit and receive the
radio signals. The transmissions are frequency
modulated (FM) and use Manchester coding to ensure
robust signal integrity and avoid signal noise interference
The RF range can be extensively improved by converting
the alarm into a “repeater” i.e. re-transmission of the RF
signals. The Ei405 series alarms can be used as a stand
alone wireless interconnect system or be incorporated
into existing home security systems
The Ei405 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 wireless interconnect up to twelve alarms
to allow all alarms to sound if just one of the
interconnected alarms should be triggered.
The Ei405 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 red indicator will flash every 40 seconds to
show that the detector has performed an automatic
self test
In normal standby mode the blue indicator will light
to indicate transmission of an RF signal
In code mode, the blue indicator will flash to indicate
the number of other RF alarms that have been
“learned” in the system
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 “Hush” mode the alarm enters a ten minute period
of reduced sensitivity and the red light flashes every
10 seconds and then resets
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 the red
light flashes every 40 seconds to indicate that the
battery is depleted and needs to be changed
BATTERY POWERED 9V
RF Communication
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. Ei405 DataSht RevB
Model Ei405 RF Optical
Installation & Placement
Place the mounting plate on the ceiling/wall and mark the screw holes. Drill
with a suitable drill bit, insert the screw plugs and screw the plate into position.
Simply connect the battery on the alarm and slide into position on the
mounting plate.
The RF alarms should be house coded to prevent possible interference from
neighbouring installations – see instructions for more details.
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
House Code Procedure
1. Connect the battery
2. Hold the house code switch
(with a small screwdriver)
until the blue light turns on
and then release
3. Similarly, place other alarms
into house code mode
4. Check that the number of
blue flashes (on each alarm)
corresponds to the number of
alarms in your system
5. Remove all alarms from
house code
6. Button test each alarm to
check your system
Technical Specification
Sensor Optical, uses light scatter from
smoke
Sensitivity: Complies with BS 5446 Part 1:
2000
Automatic Self-Test: Smoke Chamber is tested every 40
Sec. and unit beeps (without LED
flash) if it is degraded.
Supply Voltage: 9V alkaline battery
RF Range1: 150 meters (min) free space
RF Visual Indicator: Blue light flashes continuously for
1.5 to 3.5 seconds while
transmitting RF signal
RF Frequency: 868.499MHZ (1% duty cycle)
RF Power: +5dBM
Dimensions: 152mm diameter x 50mm depth
Weight: 286g
Power-On Indicator: Red light flashes every 40 seconds
Alarm: Electronic Piezoelectric horn
Alarm Sound Output: 85dB (minimum) at 3m
Alarm Status: Red LED flashes every second on
unit sensing fire
Temperature Range: 00 to 400 C
Humidity Range: 15% to 95% Relative Humidity
Interconnect: Up to 12 RadioLINK products
Plastic material: UL94VO flame retardant
Warranty: 5 year (limited) warranty
Approvals: Kitemarked to BS EN 14604: 2005,
CE Approved
Specifications are subject to change
1. Any obstructions of any sort will result in a reduction in range from
the free space specification. As such, the actual range will vary
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