White Rodgers 1F82-261 Thermostat

The White Rodgers 1F82-261 is a robust 5+1+1 programmable heat pump thermostat designed for 24V multi-stage systems. Built for 2H/1C heat pump applications, this digital programmable thermostat provides precise temperature control using solid-state microcomputer technology. It features a large, backlit LCD that alternately displays the time and room temperature, ensuring visibility in low-light mechanical rooms. Contractors value this unit for its permanent program retention, which protects user settings during power loss without requiring batteries. The terminal configuration includes R, C, Y, W2, G, O/B, E, and L, allowing for seamless thermostat wiring in both single and two-transformer setups. With a setpoint range of 45°F to 90°F and an adjustable heating/cooling differential, it optimizes HVAC energy efficiency while maintaining tight deadbands for indoor comfort.

• Multi-Stage Compatibility: Specifically engineered for 2-stage heating and 1-stage cooling heat pump systems.
• Flexible Scheduling: Offers 5+1+1 day programming with four distinct time and temperature periods per day for weekdays, Saturdays, and Sundays.
• Reliable Data Retention: Integrated permanent memory ensures all programmed settings remain intact during unexpected voltage drops or power cycles.
• Professional Interface: Features a soft-touch keypad and a manual override (HOLD) function for immediate temperature adjustments in the field.
• Versatile Powering: Compatible with 24VAC systems and offers dual power or hardwired installation options to suit various field requirements.

Is the White Rodgers 1F82-261 compatible with dual fuel systems?
Yes, this unit is fossil fuel and electric heat compatible, making it a versatile choice for standard 24V heat pump setups with auxiliary heat sources.

Does this thermostat require batteries to keep the time?
While it can be battery-powered, the 1F82-261 is designed for hardwired 24V operation and uses internal memory to retain programming during power interruptions.

How do I configure the O/B terminal for reversing valve operation?
The configuration menu allows for easy keypad selection to set the reversing valve to energize in either heating (B) or cooling (O) modes to match the specific condensing unit.

Disclaimer: While we strive for 100% accuracy, product data and specifications are subject to change. Please contact our team to confirm compatibility or technical details before purchasing.