Yale EF-SD Instruction Manual
Wirefree 868MHz Yale EF-SD
Optical Smoke Detector
Description:
1. Learn/Test Button
2. LED Light
3. Battery Compartment
4. Mounting Holes
5. Mounting Bracket
Pack contents
• 1 x Smoke detector (with Bracket)
• 2 x wall plugs & screws
• 3 x AA Alkaline batteries
Programming & Location
Program your smoke detector before
installation and test afterwards. Please see
your current system instruction book for
initialisation and programming.
It is recommended that the installation site is in
the centre area of the ceiling.
Do not locate the detector in the following
locations:
The Kitchen – Smoke from cooking might
cause an unwanted alarm.
Near a ventilating fan, florescent lamp or air
conditioning equipment – air drafts from them may
affect the sensitivity of the detector.
In the peak of an “A” frame type of ceiling, near
ceiling beams or over a cabinet – stagnant air
in these areas may affect the sensitivity of the
detector.
Operation
Testing the Smoke Detector
By pressing the Test button on the Smoke
Detector, you can test if the Smoke Detector is
functioning normally.
If the Smoke Detector functions normally, the
LED will be on for 2 seconds. Then it will sound a
2-tone beep.
If the buzzer sounds the 2-tone beep three times,
it means the “Optical Chamber” on the Smoke
Detector is either dirty or out-of-order.
If the LED doesn’t light and no beep is sounded,
the device could be out-of-order or battery
drained.
Detecting the Smoke
Once the concentration of the smoke exceeds
the set threshold value, the Smoke Detector
Easy Fit EF-Series Alarm System
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