Convectair 7392-FP Convector Programmer The Convectair 7392-FP Wired Programmer is a programmable pilot-wire module. Each module can control scheduled temperature variations for up to 20 compatible heating units. A 3-conductor cable serves as the communication wire from the module to the heating units. The Convectair 7392 features an LCD display which continuously displays current time, day, heating mode, daily program, and hourly status. The Convectair programmer features a choice of 7 pre-selected programs or a customized hour-by-hour Comfort or Economy program for each day of the week and a frost protection mode. Programs can be overridden centrally or individually for each heater.