RTU2 M/N 48TCED12A2G5A0A0A0, S/N 4309G30613 RTU3 M/N 48TCED12A2G5A0A0A0, S/N 4309G40613 RTU1 M/N 48TCED12A2G5A0A0A0, S/N 4309G40607 Upon arrival replaced disconnect box for RTU2 and contactor for comp A, turned system one and system is operating properly at this time. Replaced capacitor for condenser fan motors on RTU1, tested system and system is operating properly at this time. Replaced contactor for comp A on RTU 3 and tested. System is operating properly at this time.