White Rodgers 1F95-0477 User Manual

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Blue 4” Universal Thermostat with 
Automatic Heat/Cool Changeover Option
Single Stage, Multi-Stage or Heat Pump
Installation and Operating Instructions for Model:
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS 
CAREFULLY BEFORE INSTALLING OR OPERATING 
THIS CONTROL COULD CAUSE PERSONAL INJURY 
AND/OR PROPERTY DAMAGE.
Save these instructions for future use!
APPLICATIONS 
SPECIFICATIONS 
Electrical Rating:
 
Battery Power ....................................................   mV to 30 VAC, NEC Class II, 50/60 Hz or DC
 Input-Hardwire ...................................................   20 to 30 VAC
Terminal Load ...........................................................   1.5 A per terminal, 2.5A maximum all terminals combined
Setpoint Range .........................................................   45° to 90°F (7° to 32°C)
Rated Differentials:                                                      Fast 
Med. 
Slow
 
Heat (SS1, MS2) ...............................................   0.4 °F 
0.6 °F 
1.7 °F
 
Cool (SS1, MS2) ................................................   0.9 °F 
1.2 °F 
1.7 °F
 
Heat Pump (HP1, HP2) .....................................   0.9 °F 
1.2 °F 
1.7 °F
 
Emer (HP1, HP2) ...............................................   0.6 °F 
    – 
1.7 °F
Operating Ambient ....................................................   32° to +105°F (0° to +41°C)
Operating Humidity ...................................................   90% non-condensing max.
Shipping Temperature Range ...................................   -40° to +150°F (-40° to +65°C)
Dimensions Thermostat ............................................   3-7/8”H x 5-1/8”W x 1-1/4”D
1F85-0477 Thermostat
Model
Programming Choices
1F85-0477
7 Day
5/1/1 Day
ATTENTION: MERCURY NOTICE
This product does not contain mercury. However, this product 
may replace a product that contains mercury.
Mercury and products containing mercury must not be 
discarded in household trash. Do not touch any spilled 
mercury. Wearing non-absorbent gloves, clean up any spilled 
mercury and place in a sealed container. For proper disposal 
of a product containing mercury or a sealed container. Refer 
to 
www.white-rodgers.com  for location to send product 
containing mercury.
THERMOSTAT APPLICATION GUIDE
Description
Heat Pump (No Aux. or Emergency Heat)
Yes
Heat Pump (with Aux. or Emergency Heat)
Yes
Systems with up to 2 Stages Heat, 2 Stages Cool
Yes
Heat Only Systems (with optional fan switch)
Yes
Millivolt Heat Only Systems – Floor or Wall Furnaces
Yes
Cool Only Systems
Yes
Gas or Oil Heat
Yes
Electric Furnace
Yes
Hydronic (Hot Water) Zone Heat – 2 Wires
Yes
Hydronic (Hot Water) Zone Heat – 3 Wires
Yes
Index
Page
Installation
2
Wiring Connections
2
Wiring Diagrams
3
Thermostat Quick Reference
5
Installer Configuration Menu
6
Operating Your Thermostat
8
Programming
9
Troubleshooting
10
PART NO. 37-7238A
1118
CAUTION
!
To prevent electrical shock and/or equipment damage, 
disconnect electric power to system at main fuse or 
circuit breaker box until installation is complete.
www.white-rodgers.com
www.emersonclimate.com