Arrived on site for a tune-up. Customer stated upon arrival that the unit would not keep up with a hot days, some days thermostat reads 86 and does not lower than that. Enter the Attic to inspect the cause of the unit and notice a good amount of bacterial growth growing on me evaporator coils. Sprayed down the coils with non rinse evaporator spray. Check the blower motor and a Glides smoothly while it was off. Turning it back on and went outside to the condenser, connection was running normally. Disconnected and the disconnect plug of a connected to operate it safely. Put in my temperature probes inside the house and washed down the condenser with chemical and water. After washing the condenser down hooked up my fuel pieces to check the pressures of the condenser. Subcooling was reading zero and superheat 20. Offer the customer to recharge the unit up to 3 lb of refrigerant and customer accepted. After recharging the unit some cooling Peak that five while Super heat was around 4.
