If the operating space temperature is greater than the unoccupied cooling setpoint, the economizer modulates to control to the lower SAT setpoint +/-5°F.
If the operating space temperature is greater than the unoccupied cooling setpoint for 10 or more minutes, then all compressor outputs energize with a 15 minute delay.
If the operating space temperature is less than the unoccupied cooling setpoint -3°F, then all compressor outputs de-energize and the economizer closes.