White Rodgers 1HDEZ-1521 Emerson Inspire Universal 4-Wire Thermostat System Specification Sheet
RC
RH
W2
Y
W/E
O/B
Y2
G
L
+
S
–
HM
HM2
DHM
DHM2
R
1
2
C
C
2/2
4/2
Single
Stage
Multi-
Stage
Stage
Heat
Pump
Stages
Heat/Cool
by System
Program
Options
Programs
Selectable Performance Features
Comfort and
Convenience Features
H = Hardwired
Applications
Power Source
1/1
7, Ø
Model
Number
Model
1HDEZ-1521
H
H, D
Gas/Oil/Electric
✓
Auto Changeover
✓
3 Wire Zone
✓
Dual Fuel Control
Keypad Lockout
Lighted Display
✓
Millivolt
Programmable
Fan
Humidity Control
(H) Humididy
(D) Dehumidify
Energy Mgt.
Recovery
✓
Audible Feedback
✓
Setpoint
Temperature Limit
✓
✓
Permanent
Memory
✓
Outdoor
Remote Sensor
1
2
R
C
www.white-rodgers.com
www.emersonclimate.com
Markham, Ontario
905-948-3411
Saint Louis, Missouri
314-553-3600
The Emerson logo is a trademark and
a service mark of Emerson Electric Co.
Equipment Control
Terminal Designations*
Terminal Designations*
Thermostat
Terminal Designations*
Terminal Designations*
* See installation instructions or www.white-rodgers.com for terminal descriptions
Dimensions
5.8" W x 5.5" H x 1.4" D (control)
6.1" W x 3.3" H x 0.6" D (interface)
Thermal Specifications
Setpoint Temperature Range:
45° to 99° F (7° to 32° C)
Rated Differential:
Heat 0.6° F; Cool 1.2° F
Heat 1.2° F; Cool 1.2° F (Heat Pump)
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)
Electrical Specifications
Rating
Input Hardwire: 20 to 30 VAC,
NEC Class II, 50/60 Hz or DC
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)
(all terminals combined)
Standard Systems
Single Stage gas, oil, electric
Single Stage gas, oil, electric
Single Stage heat pump
Multi-Stage gas, oil, electric
Multi-Stage heat pump
Accessories
Outdoor Remote Sensor
F145-1378
F145-1378
Thermostat Guards
Clear
Clear
–
F29-0198
Metal – F29-0220 (solid base)
F29-0222 (ring base)
For Additional Information
Visit www.white-rodgers.com
Contractor Favorite Features
Easy Install and Setup to upgrade any standard
system — without running new wires
system — without running new wires
Quick Connect terminals for faster installation
Color-coded system signal LED's for accurate
installation, set-up confirmation and
troubleshooting
installation, set-up confirmation and
troubleshooting
Reusable configuration and check-out tool
connects user interface to equipment control at
the furnace for fast configuration, troubleshooting
and 100% correct installation assurance
connects user interface to equipment control at
the furnace for fast configuration, troubleshooting
and 100% correct installation assurance
Eliminates multiple trips up and down the stairs
USB port to quickly upload your favorite Installation
Settings, Programs and personalized Company
Contact Information
Settings, Programs and personalized Company
Contact Information
Add an outdoor sensor for Heat Pump Dual Fuel
control — to switch from Heat Pump to Furnace,
based on selected outdoor temperature
control — to switch from Heat Pump to Furnace,
based on selected outdoor temperature
Humidification and
Dehumidification Control
Dehumidification Control
Powered or dry contact humidifier /
dehumidifier terminals for integrated
or independent humidity components
dehumidifier terminals for integrated
or independent humidity components
Display
Sharp, color display
Lighted display for easier low-light
viewing
viewing
Optional continuous display light
Large, easy-to-read character size
Energy Performance
Meets California Building Code, Title 24
Energy Aware compliant
Energy savings up to 33% using convenient
heating and cooling program schedule
heating and cooling program schedule
Comfort & Convenience
Choice of 7-Day or Non-Programmable
Easy temperature hold or temporary temperature override
Easy to adjust humidification and dehumidification settings
Intuitive menu-driven setup, programming and operation,
with audio prompt to confirm entries
with audio prompt to confirm entries
Auto heat/cool changeover option – automatically switches
between heating and cooling programs
between heating and cooling programs
Room temperature display can be recalibrated up to +/- 5° F
Maintains room temperature to within +/- 1° F
Setpoint temperature limits
Furnace filter change reminder
Humidifier pad change reminder
Permanent program retention during power loss
Compressor lockout protection
WR-8150
Upgrade single stage applications to premium high-efficiency systems
(staging, heat pump or heat pump with dual fuel) – using existing 4 wires
(staging, heat pump or heat pump with dual fuel) – using existing 4 wires
Up to 4H/2C with Dual Fuel Option
Humidification/Dehumidification
Inspire
™
Universal 4-Wire Color Thermostat System
1HDEZ-1521
Universal