Ei Electronics Smoke Alarm Ei181 User Manual

Model Ei 181 Ionisation  
High sensitivity responds to all standard fires  
Dual Ionization chamber - quick response fast  
flaming fires  
Supply voltage 10.5 to 30 volts  
Interconnect up to 12 alarms  
Relay contacts  
Built in sounder  
Test button  
Kitemarked to BS EN 14604:2005  
5 year guarantee  
Product Description  
The Ei181 is an Ionisation Smoke Alarm that is designed  
to operate with suitable 8-30 volt control panels and to  
provide a loud local alarm.  
Operation  
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  
Ionisation smoke alarms operate on the principle that  
electrical current flowing between electrodes in an  
ionization chamber is reduced when smoke particles  
enter.  
The built in sounder will provide a minimum sound  
output of 85dB at 3m  
Ionisation technology gives a rapid response to fast  
flaming fires  
The “Test” button will perform a self test and sound  
the horn (it may take up to 10 seconds)  
Relay contacts (normally open and closed supplied) are  
available for triggering the panel itself and its associated  
ancillary products, such as extra loud sirens, magnetic  
door holders, etc.  
Green power on LED flashes every 40 seconds  
Circular Easi-Fit mounting base for quick installation  
Relay operates in continuous or pulse mode  
The alarms can be interconnected so that when one  
alarm senses fire, all the units located throughout the  
premises sound.  
Battery back-up insures the units are always powered,  
even during a power failure.  
The Ei181 is easily installed and comes supplied with all  
necessary screw fixings.  
Shannon Free Zone, Shannon, Co. Clare, Ireland.  
Ph.+353 61 471277 Fx.+353 61 471053  
E & OE As our policy is one of continuous product development, we reserve the right to alter product details without prior notice.  
Ei181 DataSht RevB  
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