Clean condenser coil annually with detergent or commercial coil cleaner and inspect monthly during the cooling season.
Condenser coils are made of one, two and three formed slabs. Dirt and debris may become trapped between the slabs. To clean between slabs, carefully separate coil slabs and wash them thoroughly. See figure 27. Flush coils with water following cleaning.
NOTE - Remove all screws and gaskets prior to cleaning procedure and replace upon completion.
H-Supply Blower Wheel
Annually inspect supply air blower wheel for accumulated dirt or dust. Turn off power before attempting to remove access panel or to clean blower wheel.