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BLUE Universal Thermostats  
4 square inch display  
Single Stage / Multi-Stage / Heat Pump Applications  
Non-Programmable, Programmable 5/1/1, 5/2 Day or 0 Programmable  
Hardwired or Battery Powered  
ACCURACY  
COMFORT YOU  
CAN COUNT ON  
Includes Wall Plate F61-2634  
PROGRAMMABLE MODELS  
1
1
F85-0471 3/2  
F85CA-0471 3/2  
Comfort-Alert Model  
with Active Protection for Systems with  
ComfortAlert Compressor Diagnostics  
Programmable  
1
F85-0422 2/2  
NON-PROGRAMMABLE MODELS  
1
1
F83-0471 3/2  
F83-0422 2/2  
Quick One-Button Programming  
Non-Programmable  
Exclusive Cool Savings  
Exclusive Battery Power Monitor  
5
-Year Warranty  
Millivolt and Hydonic Zone Valve Compatible  
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1
F85-0471/1F85CA-0471/1F85-0422  
5
/1/1, 5/2 Day or 0 Programmable  
1
F83-0471/1F83-0422  
Non-Programmable  
BLUE Universal Thermostats  
For Single Stage, Multi-Stage and Heat Pump Systems • 5/1/1, 5/2 Day, 0 Programmable or Non-Programmable • Hardwired or Battery Powered  
Exclusive 4" Blue Features  
Large, 4-square-inch Blue display  
with easy-to-see characters  
Programming  
Comfort & Convenience  
Performance  
Choice of 5/1/1 day programmable,  
5/2 day or non-programmable  
Optional minimum and maximum  
temperature configurable  
Dual-Powered…choice of  
battery-powered or hardwired,  
for all applications  
(
1F85-0471, 1F85CA-0471, 1F85-0422)  
Active protection for systems with  
ComfortAlert CA2 module compressor  
diagnostics (1F85CA-0471)  
Permanent program retention  
during power loss  
4
time and 4 temperature settings  
Selectable Energy  
Management Recovery  
(1F85-0471, 1F85CA-0471, 1F85-0422)  
per program (heat & cool)  
Indefinite setpoint Hold  
Quick one-button programming  
Energy savings up to 33%  
Air filter change indicator  
(optional)  
(
See Automatic Schedule section in  
®
Meets ENERGY STAR specifications  
Patented pre-programmed  
software simplifies time and  
temperature programming  
installation instructions)  
(
1F85-0471, 1F85CA-0471, 1F85-0422)  
Simple “set-up” menu to  
activate optional features  
Configures as manual heat/cool,  
auto changeover, heat only  
or cool only  
Meets California Building Code,  
Title 24 (1F85-0471, 1F85CA-0471,  
Display  
Temporary temperature  
1
F85-0422)  
Large LCD with improved  
contrast for easier reading  
override two-hour minimum  
or until next program period  
(1F85-0471, 1F85CA-0471, 1F85-0422)  
Exclusive Cool Savings feature  
Fast (FA) or slow (SL) heating  
cycle anticipation  
saves energy during peak A/C  
demand periods  
Lighted display for easier  
low-light viewing  
Easy-to-wire terminal block  
Compressor lockout protection  
Millivolt compatible  
Hydronic 2 or 3 wire zone valve  
applications  
Soft-touch keypad  
Display temperature  
recalibration (+/- 4°)  
Exclusive battery power monitor  
5-year warranty  
Electric heat option  
Terminal Designations  
RC  
RH  
C
G
W/E W2  
Y
Y2 O/B  
6
L
Dimensions  
Thermal Specifications  
Accessories  
5
.1"W x 3 .9"H x 1.2"D  
Setpoint Temperature Range:  
Wall Plate F61-2634 (6.5"W x 5"H)  
for 80 Series Blue  
4
5° to 90° F (7° to 32° C)  
Electrical Specifications  
(Included with 1F85-0471, 1F85CA-0471,  
8
0 Series Blue Rated  
1
F85-0422, 1F83-0471, 1F83-0422)  
Rating  
Differential: 0.4° to 1.7° F  
with adjustable anticipation  
0
0
2
to 30 VAC, 50/60 Hz or DC  
Thermostat Guard F29-0231  
.05 to 1.5 Amps (load per terminal)  
Operating Ambient Temperature:  
(For additional guard options refer to White-Rodgers  
catalog at www.white-rodgers.com)  
3
2° to 105° F (0° to 40° C)  
Operating Humidity Range:  
0% non-condensing maximum  
Shipping Temperature Range:  
4° to 150° F (-20° to 65° C)  
.5 Amps maximum load  
(
all terminals combined)  
For Additional Information  
9
Standard Systems  
Gas, oil, electric  
Visit www.white-rodgers.com  
-
Single Stage/Heat Pump/Multi-Stage  
Millivolt Systems  
2
or 3 wire hydronic zone valve  
Single Multi- Heat  
Stage Stage Pump  
Programs  
Model  
Applications  
Selectable Performance Features  
Comfort and Convenience Features  
Stages  
Heat/Cool  
by System  
Program  
Options  
Model  
Number  
1
1
1
1
1
/1 2/2 3/2 5+2,5+1+1,Ø 1F85-0471  
B,H  
B,H  
B,H  
B,H  
B,H  
/1 2/2 3/2 5+2,5+1+1,Ø 1F85CA-0471  
/1 2/2 2/2 5+2,5+1+1,Ø 1F85-0422  
/1 2/2 3/2  
/1 2/2 2/2  
Ø
Ø
1F83-0471  
1F83-0422  
B =Battery, H =Hardwired, PA =Power Stealing Assist *** Optional Continuous Display Light w/Hardwire Connection  Only One (1) Remote Sensor May Be Used – Either Indoor or Outdoor; or Logic Program and Indoor Remote Sensor  
St. Louis, Missouri Markham, Ontario  
3
14-553-3600 905-201-4701  
www.white-rodgers.com  
The Emerson logo is a trademark and  
a service mark of Emerson Electric Co.  
WR-7255-2