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 111/209psi with 12 degree sub cooling with outside temperature at 60 degrees. Measured temperature drop at 17 degrees. Cleaned evaporator coil and blew out condensate line. Changed filter provided by the customer .System running as it should
