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White Rodgers 90 SERIES - User Manual

White Rodgers 90 SERIES
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Installation 2
Wiring Connections 2
Thermostat Quick Reference 3
Installer Configuration Menu 4
Operating Your Thermostat 7
Programming 7
Troubleshooting 11
www.white-rodgers.com
90 Series Blue Single Stage Thermostat with90 Series Blue Single Stage Thermostat with
90 Series Blue Single Stage Thermostat with90 Series Blue Single Stage Thermostat with
90 Series Blue Single Stage Thermostat with
Automatic Heat/Cool Changeover OptionAutomatic Heat/Cool Changeover Option
Automatic Heat/Cool Changeover OptionAutomatic Heat/Cool Changeover Option
Automatic Heat/Cool Changeover Option
PART NO. 37-6814A
0632
Single Stage Installation and Operating
Instructions for Model:
APPLICATIONS
Description
Heat Pump (No Aux. or Emergency Heat) No
Heat Pump (with Aux. or Emergency Heat) No
Systems with up to 3 Stages Heat, 2 Stages Cool No
Heat Only Systems 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
Wired Remote Temperature Sensor (Indoor/Outdoor) Yes
Dual Fuel Feature (Heat Pump Mode) No
THERMOSTAT APPLICATION GUIDE
1F97-1277 Touchscreen Thermostat
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 . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1.5A per terminal, 2.5A maximum all terminals combined
Setpoint Range . . . . . . . . . . . . . . . . . . . . . . . . . . . 45 to 99°F (7 to 32°C)
Differential (Single Stage) . . . . . . . . . . . . . . . . . . . Heat 0.6°F; Cool 1.2°F
Differential (Multi-Stage) . . . . . . . . . . . . . . . . . . . . Heat 0.6°F; Cool 1.2°F
Differential (Heat Pump) . . . . . . . . . . . . . . . . . . . . Heat 1.2°F; Cool 1.5°F
Operating Ambient . . . . . . . . . . . . . . . . . . . . . . . . . 32°F to +105°F (0 to +41°C)
Operating Humidity . . . . . . . . . . . . . . . . . . . . . . . . 90% non-condensing max.
Shipping Temperature Range . . . . . . . . . . . . . . . . -4 to +150°F (-20 to +65°C)
Dimensions Thermostat . . . . . . . . . . . . . . . . . . . . . 4.6"H x 5.9"W x 1.2"D
To prevent electrical shock and/or equipment dam-
age, disconnect electric power to system at main fuse
or circuit breaker box until installation is complete.
CAUTION
!
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 of spilled mercury, place it in a suitable shipping
container and send it to:
White-Rodgers
2895 Harrison Street
Batesville, AR 72501
Index Page
Model Programming Choices
1F97-1277
Non-Programmable 5/1/1 Day 7 Day
Save these instructions for future use!
FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS
CAREFULLY BEFORE INSTALLING OR OPERATING THIS
CONTROL COULD CAUSE PERSONAL INJURY AND/OR
PROPERTY DAMAGE.

Table of Contents

Other manuals for White Rodgers 90 SERIES

Preview: Installation
Installation12 pages
Preview: Installation & Configuration Guide
Installation & Configuration Guide8 pages

Questions and Answers

  • A
    Amanda FisherAug 19, 2025
    Why is my White Rodgers 90 SERIES not blowing heat, cool, or fan?
    • J
      James GambleAug 19, 2025
      Several factors can cause this issue. It could be due to: * A blown fuse or tripped circuit breaker: Replace the fuse or reset the breaker. * The furnace power switch being OFF: Turn the switch to ON. * The furnace blower compartment door or panel being loose or improperly installed: Replace the door panel correctly to engage the safety interlock or door switch. * A loose connection to the thermostat or system: Tighten the connections.
  • S
    sanchezmaryAug 21, 2025
    What to do if my White Rodgers 90 SERIES Thermostat is not heating?
    • P
      Phyllis NelsonAug 21, 2025
      Several factors can cause this issue: * The pilot light might not be lit: Re-light the pilot. * The furnace might be in a Lock-Out Condition: Many furnaces have safety devices that shut down when a lock-out condition occurs. * The heating system requires service or the thermostat requires replacement: If the heat works intermittently, contact the furnace manufacturer or a local HVAC service person for assistance. Also, set the SYSTEM Switch to HEAT and raise the setpoint above room temperature. You should hear a soft click, indicating proper operation. If there's no click, try resetting the thermostat; if it still doesn't click, consider replacing it.
  • V
    Vanessa JonesAug 23, 2025
    Why is my White Rodgers Thermostat temperature setting disagreeing with the thermometer?
    • D
      David MorganAug 23, 2025
      The thermometer can be adjusted +/- 4 degrees. See Temperature Display Adjustment in the Configuration Menu section.
  • G
    gravesbethAug 26, 2025
    What to do if White Rodgers Heat Pump has no heat?
    • C
      Cheryl PriceAug 26, 2025
      If your White Rodgers Heat Pump isn't providing heat, check the following: * Ensure the pilot light is lit. * Confirm the SYSTEM button is set to HEAT, and the temperature is above room temperature. * Verify that all thermostat and system wires are securely attached. If the heat works intermittently, it could be a furnace lock-out condition. Contact a furnace manufacturer or local service person for assistance.
  • M
    Margaret PalmerAug 27, 2025
    How to fix White Rodgers Heat Pump thermostat that doesn't follow program?
    • M
      Michael BrownAug 28, 2025
      If your White Rodgers Heat Pump thermostat isn't following the program, check the current clock and program settings, paying close attention to AM/PM designations for each time period. If a voltage spike or static discharge occurred, use the reset operation.
  • C
    Cheryl Peck MDAug 29, 2025
    How to calibrate White Rodgers Heat Pump thermostat?
    • S
      shannon80Aug 29, 2025
      The thermometer on your White Rodgers Heat Pump can be adjusted +/- 5 degrees. See Temperature Display Adjustment in the Operating Manual under Configuration.
  • M
    Monique PhillipsAug 31, 2025
    Why does my White Rodgers 90 SERIES Thermostat heat, cool, or fan run constantly?
    • G
      gardnerraymondSep 1, 2025
      Several factors can cause this. It could be due to: 1. A short in the wiring: Check each wire connection to make sure they are not shorted or touching. 2. A short in the thermostat: Try resetting the thermostat. 3. FAN Switch set to Fan ON: If the system operates correctly after this adjustment, replace the thermostat.
  • S
    scottthompsonSep 3, 2025
    How to unlock White Rodgers 90 SERIES if I forgot the Keypad Lockout Code?
    • J
      James ByrdSep 3, 2025
      Press the menu button (button will disappear) and hold it in for 20 seconds. This unlocks the thermostat.
  • D
    Diane FieldsSep 5, 2025
    Why does my White Rodgers Thermostat cycle too fast or too slow?
    • J
      John AcevedoSep 5, 2025
      The location of the thermostat and/or the size of the Heating System may be influencing the cycle rate. Digital thermostats provide precise control and cycle faster than older mechanical models. If you would like an increased cycle time, choose SL for slow cycle in the Configuration menu, step 6 (heat) or 7 (cool).
  • K
    Kenneth ZunigaSep 7, 2025
    What to do if White Rodgers Heat Pump has no cool air?
    • V
      Valerie BuchananSep 7, 2025
      If your White Rodgers Heat Pump isn't cooling, make sure the SYSTEM button is set to COOL and the temperature is set below room temperature. Also, check that all thermostat and system wires are securely attached.

Summary

Installation and Wiring

Installation Safety and Procedures

Electrical safety warnings, thermostat removal, installation, and battery replacement steps.

Wiring Connections and Terminals

Thermostat Quick Reference and Configuration

Installer Configuration Menu Introduction

Instructions on how to access and navigate the installer configuration menu.

Configuration Options

Configuration Menu Options

Detailed list of configurable settings and their available options.

Fan, System, and Programming Settings

Thermostat Operation and Programming

Manual Operation and Program Overrides

Entering Heating, Cooling, and Fan Programs

Step-by-step instructions for programming heating, cooling, and fan schedules.

Troubleshooting and Support

Thermostat Reset Procedure

How to reset the thermostat to its factory default settings.

Common Problem Diagnosis

Identifying and resolving common issues like no heat, no cool, or continuous operation.

Specific Issue Troubleshooting

White Rodgers 90 SERIES Specifications

General IconGeneral
Model90 Series
DisplayDigital
ProgrammableNo
CompatibilitySingle Stage Heating and Cooling Systems
Voltage24 VAC
TypeNon-Programmable
Stages1 Heat/1 Cool
Accuracy±1°F

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