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