No AC found one unit (NW)with a broken thermostat wire, repaired, unit is cooling. Found SE unit with a blower door off in the attic pulling in 140 degree air. Same unit had a clogged drain at the pan. Cut drain line, cleaned pan and blockage, left clean out for future maintenance. Water is still dripping from the Sheetrock being wet but the source is fixed, just needs to dry out
No ac added 2 lbs r22 to southwest unit B, replaced bad fan capacitor on northwest unit A, cleaned out all drains. Mitsubishi in server room needed program set, tested unit, cooled room from 75 to 73 in minutes
Replaced compressor on SW1 unit, pressure tested, evacuated, added 8 lbs r22, system is cooling. Replaced condenser fan motor on S1 unit. Replaced filters for all systems. Checked charge, washed condensers and inspected all electrical on SW, NW and E units. Replaced capacitor on SW1 unit. Added 3 lb r22 to S2, 4lb r22 to S1.