ASD of 1 min is pretty low. I usually set mine for 15 min or so.
The cut-in/cut-out toggle switch at the top, inside the unit. U need to open it and switch a jumper.
Also, I highly recommend adding a fan that turns on when the circuit is hot. I use the vornado fans since they are easy to aim, have a high/low toggle, quiet, are small and in a shielded case