Air Conditioning Input
The FAN-PWM has a built in 15 second delay for ON and a 30 second delay for
OFF with the Air Conditioning Input. After the A/C compressor has turned ON,
the fan will not go to HIGH until after a 15 second delay. After the A/C turns off,
the fan will stay on HIGH for 30 seconds before resuming normal operation.
1. If your A/C system does not have a trinary switch, connect the Blue wire
directly to the +12V wire of the air conditioning compressor or a wire within
your HVAC system that is powered only when the A/C is engaged. As a
result any time the compressor is engaged and or the A/C is activated, the
fan(s) will run at 100% with ‘FAN’ LED lit GREEN.
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