1
F85-277
1F85-275
White-Rodgers
Multi-Stage/Heat Pump/Single Stage
Day, 5/1/1 Day Programmable
or Non-Programmable
Multi-Stage/Heat Pump/Single Stage
5/1/1 Day Programmable
or Non-Programmable
7
®
1
F83-277
Multi-Stage/Heat Pump/Single Stage
8
0 Series Universal Thermostats
Non-Programmable
•
Auto-Changeover • 7 Day, 5/1/1 Day Programmable or Non-Programmable • Hardwired or Battery Powered
Programming (1F85-277)/(1F85-275)
Performance
Comfort & Convenience
Choice of 7 day or 5/1/1 day
programmable or non-programmable
Universal – Single Stage, Multi-Stage
or Heat Pump
Optional minimum and maximum
temperature configurable
4
time and 4 temperature settings per
Dual Powered (Hardwire and Battery)
(Patented)
Auto Changeover (optional)
program (heat & cool)
Permanent program retention during
power loss, no batteries needed
Energy savings up to 33%
Coded keypad lockout
Patented pre-programmed software
simplifies time and temperature
programming
Selectable Energy Management Recovery
(1F85-275)/(1F85-277)
Indefinite setpoint Hold
Air filter change indicator
®
Meets ENERGY STAR specifications
Simple “set-up” menu to activate
optional features
(1F85-275)/(1F85-277)
Display
4
0% larger LCD with improved contrast for
Meets California Building Code, Title 24
(1F85-275)/(1F85-277)
Programmed temporary temperature
override 4 hours max.
easier reading
Lighted display for easier low-light viewing
Fast (FA) or slow (SL) heating cycle anticipation
Compressor lockout protection (optional)
Setpoint temperature limits
Maintains room temperature differential
within +/- 1°
Display temperature recalibration (+/- 4°)
Includes 2 “AA” alkaline batteries for long
battery life
Terminal Designations
R
C
E/W1 W2
G
Y1
Y2
O
B
L
2
4V
Common
Optional)
Heat
Heat
Relay
(Stg. 2)
Cool
Cool
Relay
(Stg. 2)
24V Hot
Blower/Fan
Energized Energized
System
Monitor
Relay
Relay
in Cool
in Heat
(
(Stg. 1)
(Stg. 1)
Dimensions
.1"H x 3.8"W x 1.1"D
Thermal Specifications
Setpoint Temperature Range:
Accessories
Wall Plate F61-2500 (7.6"W x 4.8"H)
6
4
5° to 90°F (7° to 32°C)
Rated Differential:
.6° to 1.6°F with adjustable anticipation
Operating Ambient Temperature:
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)
Thermostat Guard F29-0231
(For additional guard options refer
to White-Rodgers catalog)
Electrical Specifications
Rating
0
20 to 30 VAC, 50/60 Hz or DC
0.05 to 1.0 Amp (load per terminal)
2.5 Amps maximum load (all terminals combined)
For Additional Information
Visit www.white-rodgers.com
3
9
Standard Systems
Multi-Stage—2 stage heat, 2 stage cool
-
Heat Pump—2 or 3 stage heat, 1 stage cool
Single stage gas, oil, electric
Stages Heat/Cool
by System
Programs
Model
Applications
Selectable Performance Features
Comfort & Convenience Features
Memory
3
Wire
Zone
Valve
Thermostat
Power
Source*
Energy
Management
Recovery
Diplay Alkaline
Size Battery Life
(sq. in.) (Years)
Furnace Lockout
Ignition
Module Reset
Single Multi- Heat
Stage Stage Pump
Program
Options
Model
Number
Gas/Oil/
Electric
Millivolt
Compatible
Auto
Changeover
Program
Override
Programmable Energy
Lighted Cool
Display Savings
Back-up
Warranty
P-Permanent (Years)
B-Battery
Fan
Star
1
1
1
/1
/1
/1
2/2
2/2
2/2
2/1
2/1
2/1
7, 5+1+1,
Ø
1F85-277
1F85-275
1F83-277
✓
✓
✓
✓
✓
✓
H/B
H/B
H/B
✓
✓
✓
✓
✓
✓
✓
✓
✓
2.2
2.2
2.2
2+
2+
2+
✓
✓
✓
✓
✓
✓
P
P
P
1
1
1
5+1+1,
Ø
Ø
*
H/B= Hardwired or Battery option
St. Louis, Missouri Markham, Ontario
14-553-3600 905-201-4701
www.white-rodgers.com
3
The Emerson logo is a trademark and
a service mark of Emerson Electric Co.
WR-2278-2