Manufacturer Coleman Model # TC3B3021SA Serial # W1C7488144 Completed a preventative maintenance on a 6 year old Coleman unit. #201 filter did not need to be replaced. The temperature split is 19. I cleaned out condensate pump then made sure it was operating properly. I performed a amperage readings on the compressor 5.56 amps and the condenser fan motor 0.54 amps the capacitor and contactor are operating properly at this time. System is operating properly. Also, installed a new surge protector. Customer prepaid for #201 filter and humidifier service.