George Risk Industries - Usa HVAC-1K | Kit, HVAC with 1K

The resistor is your security device as it is looped through the air conditioner or any object you would like to secure by epoxying the R1-72-# to the unit. Use plastic ties to secure the wire to the unit and any part of the unit that you can go through or around. You want the R1-72-# wired so that it can t be removed from the air conditionerwithout being cut or disconnected, this is your EOL. That is what is giving you supervision of the unit to the panel. The Tilt Switch is just one more step to help you secure the unit. You can also add GRI reed switches ( 4460A) to the cover if you like. For best results use two zones on your panel, if not, you can use one zone in series with all devices.