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EPIR3 User Manual v1.3
7.7.4. EWF1/EWF1CO Interconnection
The interconnection feature automatically links all wireless smoke/CO detectors that are paired with the
alarm system. When any EWF1/ EWF1CO detects smoke or carbon monoxide (CO), it will sound the built-
in siren and send the signal to the alarm system resulting in an instant alarm followed by built-in siren
sound caused by the rest of EWF1/EWF1CO wireless smoke/CO detectors. EWF1/EWF1CO device that
detected smoke/CO will auto-reset when the smoke/CO clears, while the rest of EWF1/EWF1CO smoke/
CO detectors will continue to sound in accordance with the set time period (by default - 30 seconds).
By default, the interconnection feature is enabled and the siren alarm duration is 30 seconds.
NOTE: The maximum supported EWF1/EWF1CO siren alarm duration is 255 seconds (4 mins. 15 secs.)
even if the system‘s alarm duration value is longer.
NOTE: System‘s alarm duration has a higher priority against the EWF1/EWF1CO siren alarm duration,
therefore EWF1/EWF1CO will sound as long as the system‘s alarm duration set up, unless the set up
value for EWF1/EWF1CO siren alarm duration is shorter.
7.7.5. Disabling and enabling siren if wireless signal is lost
If a wireless device loses its wireless signal for 60 minutes or longer, the system will send notication by
SMS text message to user phone number and activate the siren. By default, the siren will be activated
when wireless signal is lost.