PRO 5-2 programmable thermostat for heat pump systems. Dimensions: 3-13/16 inch high X 5-3/8 inch wide X 1-1/4 inch deep (97mm high X 137mm wide X 32mm deep). Mounting: horizontal. 20- to 30-volt (AC) or 750 millivolt (mV). 2 heat/1 cool. Switch positions (system): heat/off/cool/emergency. HT. Switch positions (fan): auto/on. Premier White®. Programmability 5-2 day (weekdays/weekends) program. Display size: 1.73 square inch. Manual changeover. Setting temperature range: Heat, 40F to 90F; Cool, 50F to 99F (Heat, 4.5C to 32C; Cool, 10C to 37C).
Also known as PRO 4000 or PRO4000