White Rodgers 1F98EZ-1621 Specification
WIRELESS
™
BLUE™
EASY
INSTALL
4H/2C
Wireless Thermostat System
Universal – compatible with single and multi-stage, heat pump and heat pump with dual fuel applications
Reduce Hot and Cold Spots
Premium Humidity Control
Easy-to-Read 6" Display
Option to Add 4 Wireless Sensors
1F98EZ-1621
System/
Stages
Covered
Includes Wireless Comfort Interface,
Equipment Control and Return-Air Sensor
Single
Stage
1H/1C
MultiStage
2H/2C 4H/2C
Heat
Pump
Comfort Interface
F145RF-1600
Equipment Control
Wireless Sensor (Indoor/Outdoor) Sold Separately
Wireless Sensor
Return-Air Sensor
Provides Wireless Temperature and Comfort Control for HVAC Systems
Ideal where pulling wires is difficult and additional temperature sensing is desired.
Color-coded LEDs on Equipment Control validates system wiring.
Simplifies Installation
Comfort Interface and Equipment Control are paired at the factory –
nothing to configure.
Wireless Sensor (F145RF-1600) is configurable for indoor or outdoor use.
Easily Reduces Hot and Cold Spots in the Home
Comfort Interface and up to 3 wireless temperature sensors can be located in optimum control locations.
Maximizes Comfort with Premium Humidity Control
Set and control humidification and dehumidification with the Comfort Interface.
Optimizes Efficiency on Heat Pump Systems with Dual Fuel Control
Choice of dual fuel control with wireless temperature sensor or by
Dual Fuel Logic Program in Comfort Interface.
Comfort Interface
Equipment Control
5-Year Warranty
Wireless
Sensor
WIRELESS
BLUE™
Wireless Thermostat System
EASY
INSTALL
™
4H/2C
Wireless Comfort Interface, Equipment Control and Return-Air Sensor
F145RF-1600
Wireless Sensor
1F98EZ-1621
Installation
Universal System Application – installer
selectable
Color-coded LEDs on Equipment Control
validates system wiring
Wireless Comfort Interface mounts in
ideal sensing location
Comfort Interface and Equipment Control are
“paired” out of the box – no button to press
Programming
Choice of 7 day or Ø day/non-programmable
(installer selectable)
Choice of 4 or 2 program periods per day
Occupancy fan option with selectable pre-purge
(1-3 hours)
Energy savings up to 33%
Dual Fuel Heat Pump Control
Choice of dual fuel control with wireless
temperature sensor or by Dual Fuel Logic
Program in Comfort Interface
Equipment Control Terminal Designations*
C
RH
RC
R
W/E
W2 Y
Y2
Dimensions
1F98EZ-1621
6.5"W x 4.3"H x 1.2"D – comfort interface
6.5"W x 6.4"H x 1.4"D – equipment control
F145RF-1600
3.3"W x 4.6"H x 1.5"D – wireless sensor
Thermal Specifications
Setpoint Temperature Range:
45˚ to 99˚ F (7˚ to 37˚ C)
Rated Differential:
Heat 0.6˚ F; Cool 1.2˚ F
Operating Ambient Temperature:
1F98EZ-1621
14˚ to 131˚ F (-10˚ to 55˚ C) – comfort interface
-13˚ to 158˚ F (-25˚ to 70˚ C) – equipment control
F145RF-1600
-4˚ to 129˚ F (-20˚ to 54˚ C) – wireless sensor
Humidification and
Dehumidification Control
Flexibility for system integrated control
and/or independent humidification and
dehumidification
Performance
Reliable Wireless Connection
Selectable Energy Management Recovery
Meets California Building Code, Title 24
Fast (FA), medium (ME) or slow (SL) heating
cycle anticipation
Exclusive “Call for Service” diagnostic indicator
Compressor lockout protection
Display
Large, 6-square-inch display
Large, easy-to-read character size
Clean, uncluttered display provides
simple user operation
Bright, lighted display
G
L
O/B
Operating Humidity Range:
5–90% non-condensing maximum
Shipping Temperature Range:
-4˚ to 150˚ F (-20˚ to 65˚ C)
HM2 DHM
HM
* See installation instructions for terminal descriptions
DHM2
by scanning QR Code on front or at www.white-rodgers.com
Electrical Specifications
Rating
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)
Applications
Single Stage gas, oil, electric
Single Stage heat pump
Multi-Stage gas, oil, electric
Multi-Stage heat pump
Dual Fuel systems
Comfort & Convenience
Reduces hot and cold spots – add up to 4
wireless sensors (3 indoor and 1 outdoor)
Humidification and dehumidification control
Intuitive menu-driven setup, programming and
operation, with audio prompt
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
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
Accessories
Wireless Sensor
F145RF-1600
Thermostat Guards
Clear – F29-0198
Wallplates
F61-2600 (8.1"W x 5.4H")
F61-2634 (6.5"W x 5"H)
For Additional Information
Scan QR Code on front
Visit www.white-rodgers.com
Single
Multi-
Heat
Stage
Stage
Stages
Heat/Cool
by System
2/2 4/2
1/1 7, Ø
B = Battery Powered, H = Humidify, D = Dehumidify * Occupancy Fan Option with selectable pre-purge (1-3 hours)
Pump
Programs
Program
Options
Model
Model
Number
1F98EZ-1621
Applications
Millivolt
3 Wire Zone
Gas/Oil/Electric
✓
‡ Up to 3 indoor sensors and 1 outdoor sensor can be added – F145RF-1600 sold separately
B H, D
Saint Louis, Missouri
314-553-3600
Selectable Performance Features
Fan
Recovery
Power Source
✓
Energy Mgt.
Programmable
Auto Changeover
✓
*
Markham, Ontario
905-948-3411
Humidity Control
Dual Fuel Control
✓
✓
Interface
Keypad Lockout
Wireless Comfort
✓
www.white-rodgers.com
www.emersonclimate.com
Comfort and
Convenience Features
Audible
✓
Ignition
Feedback
✓
Sensor‡
Lighted Display
Wireless Remote
✓
✓
The Emerson logo is a trademark and
a service mark of Emerson Electric Co.
Memory
Permanent
Module Reset
✓
ACCURACY
OPTIMUM COMFORT
AND PERFORMANCE
WR-3979-1
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