Upon arrival set master bedroom unit to on and cycled to check operation. Everything came on normally - turned on second bedroom unit to check operation of both systems. Both units put out 112°F air off their face - believe the reason it took so long for unit to come on was due to defrost function - unit may have shutdown when going into defrost and had to finish it's defrost check before turning on. Defrost timer could be anywhere from 15-30 minutes and defrost check occurs after every 60 minutes of unit run time.