Performed an A/C pm on a rtu. Replaced the air filters and belt. Blew out the drain line, chemically rinsed the evaporator and condenser coils. Checked the electrical connections, pressures and temps. Fan- .9amps Compressor- 2.5amps 124.3/287.5 psi 13.9* sub cooling 50.6* supply/ 73.6* return System is operating properly.