Performed cooling maintenance on two Carrier AC systems Filters are new Blowers are clean Shut down humidifier Checked dehumidifier Drains are clear Refrigerant charge is correct for both systems Capacitors are in specification Wiring is secure and free of damage Disassembled both outdoor units and washed them with water Advised leaving the fan set to continuous operation for the downstairs system in the summer time to enable the whole-house dehumidifier to work more effectively.