Performed cooling maintenance on Daikin VRV heat pump Replaced UV light assembly. Replaced aprilaire 210 filter Aprilaire dehumidifier filter is clean Drain lines are clear Noise that was pointed out last year but unable to locate was happening today. Pinpointed it to the dehumidifier drain line. Opened the vent tee on the drain, noise stopped. Blower is clean on the furnace Drain is clear for the furnace, AC, and humidifier Getting a 21⁰ drop across indoor coil in cooling mode Outdoor coil was very dirty with pollen Washed outdoor coil with water Everything is in great shape and operating properly at this time