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White Rodgers 1F85-0471 - User Manual

White Rodgers 1F85-0471
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1
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
Ye s
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

Table of Contents

Questions and Answers

  • C
    Courtney MartinezJul 31, 2025
    How to troubleshoot no heat on White Rodgers Thermostat?
    • J
      Jessica HammondJul 31, 2025
      If your White Rodgers Thermostat isn't producing heat, you can try the following: * Check if the pilot light is lit and relight it if necessary. * Be aware that many furnaces have safety devices that shut down when a lock-out condition occurs. * Set the SYSTEM switch to HEAT and raise the setpoint above room temperature to check for a soft click sound, which indicates proper thermostat function. If there is no click, try resetting the thermostat. If the thermostat clicks, contact the furnace manufacturer or a HVAC service person to verify the heating is operating correctly. If it still doesn't click after being reset, contact your heating and cooling service person or place of purchase for a replacement.
  • J
    Jessica BarryAug 5, 2025
    What to do if White Rodgers 1F85-0471 Thermostat has no heat, no cool, no fan?
    • M
      Mr. Christopher ReyesAug 5, 2025
      If your White Rodgers Thermostat isn't heating, cooling, or running the fan, check the following: * Ensure the fuse hasn't blown or the circuit breaker hasn't tripped; replace the fuse or reset the breaker if needed. * Verify the furnace power switch is set to ON. * Make sure the furnace blower compartment door or panel is correctly installed to engage the safety interlock or door switch. * Confirm that all connections to the thermostat and system are secure and tight.
  • S
    Samantha RamosAug 11, 2025
    Why does my White Rodgers Thermostat heat, cool, or fan run constantly?
    • K
      Karen WhiteAug 12, 2025
      If your White Rodgers Thermostat-controlled heat, cool, or fan runs constantly, it might be due to: 1. A short in the wiring. Check all wire connections to ensure they are not shorted or touching. 2. A short in the thermostat. Try resetting the thermostat. 3. A short in the heat/cool/fan system. 4. The FAN switch being set to Fan ON. If the system then operates correctly, the thermostat should be replaced.
  • J
    josephariasAug 17, 2025
    Why does my White Rodgers 1F85-0471 furnace (air conditioner) cycle too fast or too slow?
    • M
      Matthew HunterAug 18, 2025
      To address a furnace or air conditioner cycling too fast or too slow with your White Rodgers Thermostat, remember that digital thermostats offer more precise control and cycle faster than older mechanical models. If you want to increase the cycle time, select SL (slow cycle) in the Configuration menu, step 6 (heat), 7 (cool) or 8 (heat pump).
  • T
    Theresa SmithAug 23, 2025
    How to adjust thermometer setting on White Rodgers 1F85-0471?
    • R
      rangeljacquelineAug 23, 2025
      If your White Rodgers Thermostat setting and thermometer disagree, you can adjust the thermometer setting by +/- 4 degrees within the Temperature Display Adjustment section of the Configuration Menu.

Summary

Applications and Specifications

Safety and Notices

Important cautions and mercury disposal information.

Installation

Wiring and Diagrams

Wiring Connections

Wiring Diagrams

Visual representations of system wiring configurations.

Installer Configuration Menu

Configuration Options Overview

Detailed table of configurable settings and their options.

Configuration Details

In-depth explanations of installer configuration settings.

Programming

Enter Heating Program

Enter Cooling Program

Troubleshooting

Reset Operation

Procedure for resetting the thermostat to factory settings.

Common Symptoms and Solutions

Table of common issues and their corrective actions.

Comfort Alert Codes

White Rodgers 1F85-0471 Specifications

General IconGeneral
BrandWhite Rodgers
Model1F85-0471
TypeProgrammable Thermostat
Stages1 Heat / 1 Cool
DisplayDigital
Schedule7-Day Programmable
ColorWhite
Power SourceBattery
CompatibilitySingle Stage Systems
Temperature Range45°F to 90°F
Voltage24V

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