Emerson 1F85ST 0422 Thermostat User Manual

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BLUE 4"Universal Thermostats 4-square-inch display  
Single Stage / Multi-Stage / Heat Pump Applications  
Programmable 7, 5/1/1, 5/2 or Ø Day and Non-Programmable  
ACCURACY  
OPTIMUM COMFORT  
AND PERFORMANCE  
Dual Powered Hardwired or Battery Powered  
Includes Wall Plate F61-2634  
PROGRAMMABLE MODELS  
1
1
1
F85-0477 3H/2C 7, 5/1/1 or Ø Day Option  
F85-0422 2H/1C 5/1/1, 5/2 or Ø Day Option  
F85ST-0422 2H/1C 5/1/1, 5/2 or Ø Day Option  
Selecto – Spanish Language Model  
Programmable  
NON-PROGRAMMABLE ONLY MODELS  
1
1
F83-0471 3H/2C  
F83-0422 2H/1C  
Emerson BLUE 4" Universal Features:  
Easy-to-Read 4-Square-Inch Blue Display  
Active Comfort Alert Compressor Protection  
Keypad Lockout  
Adjustable Setpoint Temperature Limits  
Battery Power Monitor  
Non-Programmable  
Millivolt and Hydronic Zone Valve Compatible  
Exclusive Cool Savings  
5-Year Warranty  
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1
F85-0477/1F85-0422/1F85ST-0422  
Programmable 7, 5/1/1, 5/2 or Ø Day Option  
1
F83-0471/1F83-0422  
Non-Programmable Only  
BLUE 4"Universal Thermostats  
For Single Stage, Multi-Stage and Heat Pump Systems • Programmable 7, 5/1/1, 5/2 or Ø Day and Non-Programmable • Hardwired or Battery Powered  
Blue 4" Universal Features  
Large, 4-square-inch blue display  
with easy-to-see characters  
Programming  
Comfort & Convenience  
Performance  
Choice of 7, 5/1/1, 5/2 or Ø day  
programmable (1F85-0477, 1F85-0422,  
1F85ST-0422)  
Optional minimum and maximum  
temperature configurable  
Dual-Powered…choice of  
battery-powered or hardwired,  
for all applications –  
Active protection for systems with  
Permanent program retention  
during power loss  
2 AA batteries included  
Comfort Alert CA2 module  
4
time and 4 temperature settings  
compressor diagnostics  
Selectable Energy  
Management Recovery  
per program (heat & cool)  
Indefinite setpoint Hold  
Keypad lockout  
Energy savings up to 33%  
Air filter change indicator  
(optional)  
(1F85-0477, 1F85-0422, 1F85ST-0422 )  
Quick one-button programming  
Pre-programmed software  
simplifies time and  
temperature programming  
(
See Automatic Schedule section in  
Meets California Building Code,  
Title 24 (1F85-0477, 1F85-0422,  
Simple “set-up” menu to  
activate optional features  
installation instructions)  
1F85ST-0422)  
Configures as manual heat/cool,  
auto changeover, heat only or cool only  
Exclusive Cool Savings feature  
saves energy during peak A/C  
demand periods  
Temporary temperature  
override two-hour minimum  
or until next program period  
Display  
Fast (FA), medium (ME) or  
slow (SL) heating and cooling  
cycle anticipation  
Large, 4-square-inch LCD with  
improved contrast for easier reading  
(
1F85-0477, 1F85-0422, 1F85ST-0422)  
Easy-to-wire terminal block  
Compressor lockout protection  
Millivolt compatible  
Lighted display for easier  
low-light viewing  
Soft-touch keypad  
Adjustable setpoint temperature limits  
Display temperature  
recalibration (+/- 4°)  
Hydronic 2 or 3 wire zone valve  
applications  
Electric heat option  
Battery power monitor  
5-year warranty  
Terminal Designations  
Dimensions  
RC  
RH  
C
G
W/E W2  
Y
Y2 O/B  
6
L
Electrical Specifications  
Thermal Specifications  
Accessories  
5
.1"W x 3.9"H x 1.2"D  
Rating  
Setpoint Temperature Range:  
45° to 90°F (7° to 32°C)  
Wall Plate F61-2634 (6.5"W x 5"H)  
(Included with all models)  
0
0
2
to 30 VAC, 50/60 Hz or DC  
.05 to 1.5 Amps (load per terminal)  
.5 Amps maximum load  
Rated Differential: 0.4° to 1.7°F  
with adjustable anticipation  
Thermostat Guard F29-0231  
(
For additional guard options refer to  
White-Rodgers catalog at  
www.white-rodgers.com)  
(
all terminals combined)  
Operating Ambient Temperature:  
3
2° to 105°F (0° to 40°C)  
Single Stage/Heat Pump/  
Multi-Stage Systems  
Gas, Oil, Electric  
Operating Humidity Range:  
90% non-condensing maximum  
For Additional Information  
Visit www.white-rodgers.com  
Millivolt Systems  
Shipping Temperature Range:  
-
4° to 150°F (-20° to 65°C)  
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  
7, 5/1/1, Ø  
1F85-0477  
B,H  
B,H  
B,H  
B,H  
B,H  
/1 2/2 2/1 5/1/1, 5/2, Ø 1F85-0422  
/1 2/2 2/1 5/1/1, 5/2, Ø 1F85ST-0422  
/1 2/2 3/2  
Ø
Ø
1F83-0471  
1F83-0422  
/1 2/2 2/1  
B =Battery, H =Hardwired *** Optional Continuous Display Light w/Hardwire Connection  
St. Louis, Missouri Markham, Ontario  
14-553-3600 905-948-3411  
www.white-rodgers.com  
www.emerson.com  
3
The Emerson logo is a trademark and  
a service mark of Emerson Electric Co.  
WR-7255-4E  

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