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(ii) Low Battery beeps (Model Ei 405TY & Ei405TYC only)
The unit is giving a short beep every 40 seconds and the red
light flashes at the same time for longer than 1 hour. (If the
unit beeps without the red light flashing at the same time see
Cleaning your Smoke Alarm above).
(iii) The unit fails to sound the horn loudly when the test but-
ton is pressed.
Before the Smoke Alarm is discarded, remove from the
mounting plate (Ei405TY & Ei405TYC only) to stop beeps or
the possibility of the unit alarming. With the Ei405 & Ei405C
just disconnect the battery. Do not put the Smoke Alarm
into a fire.
7. HARDWIRE INTERCONNECTION
(Models: Ei 405C & Ei 405TYC only)
Sometimes it may be required to interconnect to battery pow-
ered Ei Electronics Smoke Alarms which do not have wireless
interconnect. If any of the interconnected units detect smoke the
Ei 405C & Ei 405TYC model will send a Radio alarm signal.
A maximum of twelve (Ei 405C, Ei 405TYC, Ei 3105TYC, Ei
100TYC, Ei 105C, Ei103C or Ei 100C only) Smoke / Heat
Alarms may be wired together such that when one unit sens-
es smoke all other units sound a warning. This helps ensure
smoke alarms will be heard. Do not connect to any other
device as it may damage the unit or affect performance.
Figure 9
e.g. Ei 105C e.g. Ei 3105TYCH
Ei 405TYC
Figure 8