Air conditioning condensing unit has a minimum ampacity rating of 18 amps.
A maximum over current protection device rating of 30 amps.
A 60 amp rated non-fused diconnect is used and installed in a readily accessible location.
14 AWG wire is run to the disconnect, and then #14 THWN to the condensing unit.
A double-pole 30 amp circuit breaker is installed at the panel.
Is this an NEC compliant installation?