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White Rodgers or Emerson Thermostat wiring reference chart - simplest case two-wire thermostat (C) Daniel Friedman How Wire an Emerson or White Rodgers Room Thermostat
White Rodgers Thermostat Wiring Manuals, Connection Tables
New & old Emerson & White Rodgers Heating, Heat Pump, or Air Conditioning Thermostats

Thermostat wiring details & connections for the White Rodgers brand of room thermostats. This article gives a table showing the proper wire connections nearly all types of White Rodgers room thermostats, new and old, used to control heating or air conditioning equipment, including the White Rodgers F90 2-wire and 3-wire thermostat installations.

Room thermostat installation & wiring guide: this article series explains the basics of wiring connections at the thermostat for heating, heat pump, or air conditioning systems.

Photo at page top: a vintage White Rodgers 1F56-444 room thermostat.

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- Daniel Friedman, Publisher/Editor/Author - See WHO ARE WE?

White Rodgers Thermostat Wiring Guide

Emerson White Rodgers 1F80 series thermostats typical wiring diagrams at Inspectapedia.com cited in detail in this article

This page provides PDF downloads of White Rodgers thermostat installation instructions and we include tables of White Rogders thermostat connections for different types of heating or air conditionig (cooling) installation hookups.

Illustrated here: typical wiring configurations for nearly all models of the Emerson / White Rodgers series thermostats.

The complete instructions in PDF files given below

[Click to enlarge any imnage]

Thermostat Wiring Terminal Notes for White Rodgers 1F90 Low Voltage Programmable Digital Comfort-Set

White Rodgers 1F90 Used For 2-wire Heating Only Systems
(W)
White White wire coming to the thermostat from the heater or from the secondary (C) terminal on the transformer, routed through a White Rodgers isolation relay.
(RH)
Red Red wire coming to the thermostat from transformer secondary (R) terminal. The same transformer (R) terminal typically also feeds a gas valve or vent damper, but not through the thermostat. See Note 1 in the table above.
 

White Rodgers 1F90 Used For 3-Wire Series 10 Heating Systems
(W)
White White wire coming to the thermostat from the heater
(RH)
Red Red wire coming to the thermostat from the heater. From transformer secondary (R) terminal. Note 1
(B)
jumper wire Add a jumper between (R) and (B) on the primary control
(R)
jumper wire Add a jumper between (R) and (B) on the primary control. Note 1.

Notes to the table above

1. Color: markings in the thermostat wall plate or in some models at other terminals on the thermostat body itself may indicate conventional wire colors that connect to this terminal, or the terminal ID with a letter such as "R" = red, as we illustrate above.

Watch out: the colors of the wires that you connect to these terminals do not necessarily match the nominal "terminal ID", as we illustrated above at "How Do I Install & Wire Up a Room Thermostat".

To allow for someone not following thermostat wire color conventions, when replacing an existing wall thermostat we identify and label the wires according to the letters marked on the terminal block to which the wires were actually connected.

Lennox thermostat and equipment wiring color codes may vary significantly from common usage. Be sure to consult with Lennox and obtain the proper installation manual for your equipment.

These White Rodgers Tables Map Old Thermostat Wires to New (White Rodgers) Thermostat Terminals & Help Identify Old Thermostat Types

White Rodgers Thermostat Terminal Identification Table
Old Thermostat Terminal Marking or ID Old Thermostat Type
4
W
RC
Y
G
1
RH
W
RC
Y
G
2
M
H
V
C
F
3
RS
4
Y6
G
4
R
W
Y
G
5

Notes to the table above

Map of Old White Rodgers Thermostat Terminals (4 M R R5 RH H W) to New White Rodgers Thermostat Terminals
Old Thermostat Type New Old   New Old   New Old   New Old   New Old
1
RH 4 W W RC RC Y Y G G
2
RH RH W W RC RC Y Y G G
3
RH M W H RC V Y C G F
4
RH R5 W 4     Y Y6 G G
5
RH R W W     Y Y G G

Notes to the table above

1. Source: White Rodgers 1F90 Low Voltage Digital Comfort Set Thermostat Installation Instructions [7]

White Rodgers Thermostat Wiring Diagrams & Drawings

White Rodger 1F90 thermostat (C) InspectApedia.com

The White Rodgers 1F90 and similar models will replace most 2-wire heating thermostats and many 3-wire & 4-wire thermostats used for both heating and cooling.

It is not used on systems without a transformer or relay, hot water heat systems that use 3-wire zone valves, two-stage heating or cooling systems, and certain other applications.

[See the installation instructions given earlier on this page for PDF guides & other examples.]

A nice feature of this system is that the user can adjust the heating or cooling cycle-on time, and provides features similar to adjusting the heat anticipator in older Honeywell thermostats.

White Rodgers 1F90 Thermostat Wiring

Photo below: White Rodgers Classic 80-Series Thermostat #: 1F89-211 that can control two states and operates on 20 to 30 VAC. Features include Compressor Short Cycle Protection, Batteries not Required, Lighted Display.

White Rodgers classic 80 thermostat wiring at InspectApedia.com

This thermostat also appears as the Emerson 70-series room thermostat and in a similar model, the Emerson 80-series thermostat.

White Rodgers 2-Wire Heat Only Thermostat wiring diagram

White Rodgers 4-wire 1F90 thermostat wiring diagram

2-Wire Heat-Only White Rodgers thermostat wiring detail for a White Rodgers 1F90 Low Voltage Digital Comfort-Set thermostat

Also see our tables of White Rodgers thermostat connections above at

White Rodgers 3-Wire 1F90 Heating Thermostat wiring diagram

White Rodgers 4-wire 1F90 thermostat wiring diagram

3-wire heating-only wiring details for a White Rodgers 1F90 Low Voltage Digital Comfort-Set thermostat

White Rodgers 4-Wire 1F90 Thermostat wiring diagram

White Rodgers 4-wire 1F90 thermostat wiring diagram

4-wire heating & cooling applications using a White Rodgers 1F90 thermostat

White Rodgers 5-Wire 1F90 Thermostat wiring diagrams

5-Wire heating & cooling control wiring using a White Rodgers 1F90 thermostat

White Rodgers 4-wire 1F90 thermostat wiring diagram White Rodgers 4-wire 1F90 thermostat wiring diagram

White Rodgers / Emerson P150 Thermostat Wiring Tables

White Rodgers / Emerson P150 Thermostat Wiring cross reference guide - at InspectdApedia.com

These are excerpted from:

WHITE RODGERS P150 THERMOSTAT WIRING MANUAL [PDF] Emerson P150 = White Rodgers P150

[Click to enlarge any image]

White Rodgers Emerson P150 Thermostat jumper guide - at InspectApedia.com

Reader Question: Wiring a non-programmable White Rodgers Thermostat

I have a 1f86 Non programmable White Rogers i matched up the R to Red W to White and O/B to Black But I Get nothing and unfortunately I stay in a condo with base floor panels so i cant really hear if the heat comes on or not. How do i wire this thermostat correctly - Anon 4/24/12

Reply:

Anon, see these White Rodgers Tables Map Old Thermostat Wires to New (White Rodgers) Thermostat Terminals & Help Identify Old Thermostat Types found in the article above.

We provide thermostat wiring connections for just about every type of residential heating or cooling room thermostat as well as a description of thermostat wiring color codes & conventions.

Emerson / White Rogers Thermostat Technical Support

White Rodgers 1E56 thermostat - at InspectApedia.com

Above: the White Rodgers 1E56- type thermostat

Below: typical wiring diagrams for the White Rodgers / Emerson 1E56 heating/cooling thermostat

[Click to enlarge any image]

White Rodgers 1E56 thermostat Wiring Diagrams - cited & discussed at InspectApedia.com

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Reader Comments, Questions & Answers About The Article Above

Below you will find questions and answers previously posted on this page at its page bottom reader comment box.

Reader Q&A - also see RECOMMENDED ARTICLES & FAQs

Question: where to find White Rodgers controls & guides

(Nov 7, 2019) thomas krupa said:

i am trying to find a white rodgers flame sensor part number 3098-183 12" if anyone has one

Reply:

Thomas

Please see the White Rodgers contact information given near the end of this page


...

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Thermostat Wiring & Installation Articles

 

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INDEX to RELATED ARTICLES: ARTICLE INDEX to HVAC THERMOSTATS

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