While it has taken more than 15 minutes, I inherited a hot mess installed by some "trained professional in the past:
Issues so far:
One busted window sensor.
Two finicky motion sensors (Honeywell DT-7235T) reporting no motion but powered up.
and scaring the crap out of everyone when I first disconnected the power before disconnecting the battery and started removing things, The old system went into a tamper alarm.
And finally not ordering enough modules to cover my updated zones after separating all the exterior doors off. (a second master is on the way) Thanks guys.