Setting The Emergency Stop Interlocking - LG AC Smart Installation And Owner's Manual

2. AC Smart Installation

Setting the emergency stop interlocking

AC Smart has an emergency stop interlocking that stops all the indoor units and ventilators set in
case of a fire or any other emergency situation. You can use the emergency stop function by
connecting the external fire detection sensor to the connection terminal of external non-contact point
method on the rear side of AC Smart as shown below.
Terminal connected to
external fire detection sensor
When the fire sensor generates the ON signal, the AC Smart stops the operation of all indoor units.
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AC Smart