External 12V Dc Power - Centurion SMART GUARD air Operating Instructions Manual

External 12V DC power

Refer to this diagram only if an external 12V power source
is to be used. Even though an external power supply will
provide a more or less unlimited duty cycle, there will be
no autonomy whatsoever in the event of a power failure.
Should an external 12V power supply be used,
the power selection link must be moved to
bridge the pin marked '12 Volt' with the
common (centre) pin.
From external
12V DC
power supply
The supply voltage should not exceed 12V DC
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