White-Rodgers 1F98EZ-1421 Universal Touchscreen Thermostat System
About This Thermostat
| MFG: | White-Rodgers |
| MFG#: | 1F98EZ-1421 |
| Our#: | 176808 |
| Programmable: | Yes (7 day, 5+1+1, or non-programmable) |
| Stages: | 2H & 2C |
| System Compatibility: | Single Stage, Millivolt, Multi-Stage, Heat Pump |
| Power Options: | 24 VAC Hardwire, Battery |
| Heat/Cool Changeover: | Automatic or Manual |
| Programmable Fan: | Yes |
| Temperature Limits: | Yes |
| Keypad Lockout: | Yes |
| Backlight: | Yes |
| Vacation Hold: | No |
White-Rodgers 1F98EZ-1421 Universal Thermostat System
Upgrade single stage applications to premium high-efficiency systems (staging, heat pump or heat pump with dual fuel) - using existing 4 wires. This 2-piece system includes thermostat, and equipment interface module.
FEATURES:
Programming
Universal - installer selectable system applications - Choice of 7 day or non-programmable (installer selectable)
4 time and 4 temperature settings per program (2 setbacks) heat and cool
Energy savings up to 33%
Display
Large, 12-square-inch touchscreen display - largest in the industry
Lighted display for easier low-light viewing Optional continuous display light Larger, easy-to-read character size
Clean, uncluttered touchscreen display provides easier navigation
Comfort & Convenience
Humidification and dehumidification control
Intuitive menu-driven setup, programming and operation, with audio prompt to confirm touchscreen entries
Permanent program retention during power loss
Indefinite setpoint Hold or temporary temperature override
Auto heat/cool changeover option - automatically switches between heating and cooling programs
Heating and cooling, heating only or cooling only configuration
Setpoint temperature limits
UV lamp change reminder
Furnace filter change reminder
Humidifier pad change reminder
Maintains room temperature to within +/- 1° F
Room temperature display can be recalibrated up to +/- 5° F
Performance
Selectable Energy Management Recovery
Meets California Building Code, Title 24
Fast (FA) or slow (SL) heating cycle anticipation
Exclusive "Call for Service" diagnostic indicator
Compressor lockout protection
Humidification and Dehumidification Control
Flexibility for system integrated control and/or independent humidification and dehumidification
SPECIFICATIONS:
Terminals - RC, RH, C, W/I, W2, Y, Y2, G, O/B, L, +, S, -, HM, HM2, DHM, DHM2
Dimensions
5.8"W x 5.5"H x 1.4"D (control)
5.9"W x 4.6"H x 1.2"D (interface)
Setpoint Temperature Range:
45° to 99° F (7° to 32° C)
Rated Differential:
Heat 0.6° F; Cool 1.2° F
Operating Ambient Temperature:
32° to 105° F (0° to 41° C) - Interface
-30° to 150° F (-34° to 66° C) - Control
Operating Humidity Range:
90% non-condensing maximum
Shipping Temperature Range: -40° to 150° F (-40° to 65° C)
Input Hardwire: 20 to 30 VAC,
NEC Class II, 50/60 Hz or DC
1.5 Amps (load per terminal)
2.5 Amps maximum load (all terminals combined)
Standard Systems
Single Stage gas, oil, electric
Single Stage heat pump
Multi-Stage gas, oil, electric
Multi-Stage heat pump




