Battery Back-up System
This unit includes a battery back up system powered by a
The lithium battery that was installed in your system can supply back up memory power for up to 5 years or even longer. The actual effective life of the lithium battery will be affected by the length of time between the date the battery was installed at our factory and the date that you connected your unit to your AC outlet, and by the number and duration of the power outages that you experience in your home. To maximize the life of the back up battery this system should be connected to an AC outlet that is always “live”. Do not connect this system to an AC outlet controlled by a wall switch.
When the lithium battery begins to weaken, the Low Battery indicator “
” will begin to flash in the display. When you see this flashing indicator you should replace the lithium battery as soon as possible. Instructions for replacing the lithium battery will be found at the end of this Owner’s Manual.
Power Source
This system is designed to operate on 120V AC 60Hz house current only. Connecting this system to any other power source may cause damage to the system and such damage is not covered by your warranty.
NOTE: The system has a polarized AC plug with one wide blade and one narrow blade. The plug will only fit into matching polarized AC outlets.
This is a safety feature to reduce the possibility of electric shock. If the plug will not fit in your AC outlet, you probably have an outdated non- polarized outlet. You should have your outdated outlet changed by a qualified, licensed electrician. Do not file the wide blade on the plug, or use an adapter to make the plug fit into your outlet. This defeats the safety feature and could expose you to electric shock.
AC Outlet AC Plug
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