PERFORMED PREVENTATIVE MAINTENANCE TASKS AS REQUIRED. CLEAR PUT DRAINLINE. ADD DRAIN TABLETS/ SPRAY DRAIN TREATMENT IN LINE. VOLTAGE REGULATED & CHECKS OUT TO BE GOOD AT THIS TIME. TIGHTEN SCHRADER VALVE SEEN A SMALL LEAK. PRESSURES ALSO CHECK OUT AT THIS TIME WITH 10 DEGREE SUBCOOL . AT THIS TIME UNITS RUNNING ACCORDINGLY TO MANUFACTURING SPECS. WILL RECOMMEND IAQ UV LIGHT TO KEEP COIL CLEAN AND KILL AIRBORNE BACTERIA .