Ei Electronics Ei141 Ionisation User manual

Shannon Free Zone, Shannon, Co. Clare, Ireland.

Ph.+353 61 471277 Fx.+353 61 471053

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. Ei141 DataSht RevB

Model Ei141 Ionisation

Easi-Fit base

9V Alkaline Battery back up

High performance ionisation chamber

Test/Hush button

Advanced suppression and calibration technology

Interconnectable to other Ei mains powered alarms

Low power cell warning

Kitemarked to BS EN 14604:2005

5 year guarantee

Product Description

The Ei141 is an Ionisation 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 Ei141 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 Ei141 has other advanced features such 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 Ei141 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 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 every 40

seconds to indicate that the battery back up is

depleted and needs recharging

MAINS POWERED 230V~

9V Alkaline Battery Back-Up

Shannon Free Zone, Shannon, Co. Clare, Ireland.

Ph.+353 61 471277 Fx.+353 61 471053

Email. [email protected]

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. Ei141 DataSht RevB

Model Ei141 Ionisation

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 Ionisation

Sensitivity: Complies with BS 5446 Part 1:

2000

Source: Americium 241

Button Test: Simulates the effect of smoke and

checks electronics and horn.

Supply Voltage: 230V AC

Battery back up: 9V Alkaline Battery

Power-On Indicator: Continuous green LED

Alarm: Electronic Piezoelectric horn

in unit

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: 145mm diameter x 40mm depth

Weight: 305g

Warranty: 5 year (limited) warranty

Approvals: Kitemarked to BS EN 14604:2005,

CE Approved

Specifications are subject to change

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