Upon arrival tech was informed system for office was running continuously and blowing hot air. Inspected system and found the relay on the blower control board was shorted causing the blower to engage which also caused the heat strips to come on. Installed a new relay in air handler and tested heat and cooling operation and system is back operational. System is not cooling the best, it is a R22 Freon. Recommends replacing system due to age and Freon type.