Arrived onsite for ac maintenance on 1 system. Asked customer to turn AC on to confirm operation. Checked all electrical. Chemically Cleaned outside coil, measured pressures for 410a at 109/216psi with 9 degree sub cooling with outside temperature at 63 degrees. Measured temperature drop at 23 degrees. Cleaned evaporator coil and blew out condensate line. System running as it should.
