Single Stage

White-Rodgers

Digital 5/2 Day

 

 

Programmable and

 

Non-Programmable

70 Series

Battery

 

E C O N O M Y

Dimensions

3.25"W x 5.3"H x 1.1"D

Electrical Specifications

Rating

0 to 30 VAC, 50/60 Hz or DC

0.05 to 1.0 Amp (load per terminal)

1.5Amps maximum load (all terminals combined)

Standard Systems

Single stage gas, oil, electric

Single stage heat pump (1E78-151 and 1E78-144)

Millivolt compatible

Thermal Specifications

Setpoint Temperature Range: 45° to 90°F (7° to 32°C)

Rated Differential: 0.6° to 1.9°F with adjustable anticipation

Operating Ambient Temperature: 32° to 105°F (0° to 40°C)

Operating Humidity Range: 90% non-condensing maximum

Shipping Temperature Range: -4° to 150°F (-20° to 65°C)

Accessories

Wall Plate F61-2593 (4.5"W x 6.6"H) Subbase F4-1748 (3.25"W x 5.3"H)

“New Construction Stat” 1D78-140 with heat only 65° setpoint

Thermostat Guard F29-0143

(For additional guard options refer to White-Rodgers catalog.)

For Additional Information

Visit www.white-rodgers.com

Terminal Designations

1E78-151, 1E78-144 and F4-1748

RC RH W Y G O B

1E78-140

RH W

“New Construction Stat”

Wall Plate F61-2593

F4-1748 Subbase mounted on 2" x 4" Junction

1D78-140

 

Box with 1D78-140 “New Construction Stat”

Application Guide

Series

System

Programs

Power Source

90

- Premium

Single Stage

7 day

Power stealing w/battery back-up

80

- Standard

Multi-Stage

5/1/1 day

Hardwired/battery

Heat Pump

5/2 day

Battery

 

 

70 - Economy

 

Non-programmable

Hardwired

Controlling Indoor Comfort Worldwide

Since 1937

 

St. Louis, Missouri

Markham, Ontario

WR-6526

314-577-1300

905-201-4701

www.white-rodgers.com

1E78-151

Single Stage

2 Programs

T h e r m o s t a t

1E78-144

Single Stage

Non-Programmable

T h e r m o s t a t

1E78-140

Single Stage/Heat

Non-Programmable

T h e r m o s t a t

The Emerson logo is a trademark and a service mark of Emerson Electric Co.

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White Rodgers 1E78-151, 1E78-140 Dimensions, Electrical Specifications, Thermal Specifications, Accessories, 1D78-140

1E78-151, 1E78-144, 1E78-140 specifications

The White Rodgers 1E78-140, 1E78-151, and 1E78-144 are advanced electronic thermostats known for their reliability, accuracy, and user-friendly features. Designed to enhance energy efficiency in residential heating and cooling systems, they cater to homeowners who value comfort and cost savings.

One of the standout features of the White Rodgers 1E78 series is its precise temperature control. These thermostats utilize advanced microprocessor technology, allowing for accurate temperature sensing and regulation. Homeowners can set their desired indoor climate with confidence, as the thermostats maintain the temperature within a narrow range, significantly reducing energy waste.

A key characteristic of the 1E78 series is its programmable functionality. Users can create custom schedules to optimize temperature settings based on daily routines. This means that during the hours when the home is unoccupied, temperatures can be adjusted to save energy, while automatically reverting to a more comfortable level before residents return. Depending on the model, up to 7-day programming is possible, providing maximum flexibility and convenience.

Another major feature is the backlit display, which enhances visibility and ease of use, particularly in low-light conditions. The intuitive interface allows for straightforward programming and adjustments, making it accessible to users of all technical abilities.

The White Rodgers 1E78 series is also equipped with features designed to extend the life of HVAC systems. With built-in alerts for filter replacement and system maintenance reminders, homeowners can keep their heating and cooling systems operating at peak efficiency, preventing costly breakdowns and ensuring optimal performance.

Compatibility is a critical consideration, and the 1E78 series is designed to work with a wide array of heating and cooling systems, including gas, oil, and electric systems, as well as heat pumps. This flexibility makes it a versatile choice for various home setups.

In terms of energy efficiency, the White Rodgers 1E78 thermostats are Energy Star rated, which signifies their capability to help reduce energy consumption and lower utility bills. The integration of these features combines comfort and efficiency, making the White Rodgers 1E78-140, 1E78-151, and 1E78-144 excellent choices for those seeking reliable climate control solutions in their homes.