White Rodgers 1F85CA-0471 Installation Instruction

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Blue 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)
Differential (Single Stage) .........................................   Heat 0.6°F; Cool 1.2°F (adjustable)
Differential (Heat Pump) ...........................................   Heat 1.2°F; Cool 1.2°F (adjustable)
Operating Ambient ....................................................   32° to +105°F (0° to +41°C)
Operating Humidity ...................................................   90% non-condensing max.
Shipping Temperature Range ...................................   -40° to +150°F (-20° to +65°C)
Dimensions Thermostat ............................................   4.0”H x 5.11”W x 1.3”D
www.white-rodgers.com
1F85CA-0471 Thermostat
Model
Programming Choices
1F85CA-0471
5/1/1 Day
5/2 Day
Non-Programmable
1F85-0471
5/1/1 Day
5/2 Day
Non-Programmable
1F83-0471
Non-Programmable
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.
To prevent electrical shock and/or equipment damage, 
disconnect electric power to system at main fuse or 
circuit breaker box until installation is complete.
CAUTION
!
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
Compressor with Comfort Alert II Module (1F85CA only)
Yes
Index
Page
Installation
2
Wiring Connections
2
Wiring Diagrams
3
Thermostat Quick Reference
4
Installer Confi guration Menu
5
Operating Your Thermostat
7
Programming
7
Troubleshooting
9
PART NO. 37-6920B
Replaces 37-6920A
0905