White-Rodgers · Standalone
White-Rodgers 1F89EZ-0251 Easy Set Heat Pump Thermostat
Non-programmable heat-pump thermostat with one compressor stage, auxiliary/emergency heat and Home, Sleep and Away temperature presets.
Legacy model
Will this work with my system?
Match your equipment to these requirements before ordering.
Works with
- Single-compressor heat pumps with auxiliary/emergency heat
System requirements
- NEC Class II control wiring; do not connect line-voltage heating circuits.
- 20–30 VAC control system; match the O/B reversing-valve setting and auxiliary-heat connection to the equipment.
Limitations & exclusions
- Not a two-compressor-stage heat-pump controller.
Check before you buy
- Compare the installed equipment voltage, stage count and terminal functions with the installation manual before selecting this model.
- Confirm a single compressor stage and the equipment’s auxiliary/emergency-heat sequence.
Manufacturer documentation (1)
Use these documents to compare your exact model and configuration.
Overview
Non-programmable heat-pump thermostat with one compressor stage, auxiliary/emergency heat and Home, Sleep and Away temperature presets.
Three preset buttons recall Home, Sleep and Away temperatures. The Sleep timer and filter reminder are configurable. The wiring diagram distinguishes compressor, fan, reversing-valve and auxiliary/emergency-heat connections.
Selection and installation
Use the linked manufacturer documents to compare the exact model, equipment configuration and installation requirements before ordering.
Product details
- Manufacturer
- Copeland Comfort Control
- SKU
- 907753
- Model / MPN
- 1F89EZ-0251
- Condition
- New
- Lifecycle
- Legacy
Specifications
- Power sources
- Two AA alkaline batteries or 20–30 VAC hardwired power
- Setpoint range
- 45–90 °F
- Operating temperature
- 32–105 °F
- Operating humidity
- 90% RH maximum, non-condensing
- Dimensions
- 3-3/4 in H × 4-3/4 in W × 1-1/2 in D
- Fan modes
- Auto; On
- Changeover modes
- Manual
- Stage modes
- Heat pump: 2H/1C, including one auxiliary/emergency heat stage
- Scheduling modes
- Non-programmable; Home, Sleep and Away presets
- Contact ratings
- 1.5 A per terminal; 2.5 A combined maximum
- System modes
- Heat; Emergency heat; Off; Cool
- C wire requirement
- Optional with batteries; required for continuous backlight