Tech arrived for a STU*2. Downstairs system- The capacitor was within specs. The contactor was in working condition. The amperages were within range. The Delta and refrigerant was at acceptable levels. The system did not appear to have Surge Protection. The filter was clean. The blower area was dirty. The UV system was not functioning. The drain system was clear. The primary line was tied into the secondary line. The heating system reached complete ignition. Upstairs system- The capacitor was within specs. The contactor was in working condition. The fan motor was extremely rusted. The low side saturation temperature was 20 degrees and the Superheat was 50 degrees with a piston metering device. The Delta was 4 degrees. The drain system did not have a drain safety and the primary drain was tied into the secondary drain. The heating system reached complete ignition. Extensive leak search was conducted and the leak was not located at this time. Customer will hold off on repairs today.