White-Rodgers

1E78-151

5/2 Day Programmable

 

70 Series Single Stage Thermostat

 

 

1E78-144

1E78-140

Non-Programmable

 

Non-Programmable, Heat only

 

 

 

Programming

Choice of 5/2 day programming (weekday/weekend) or non-programmable

4 time and 4 temperature settings per program for heating and cooling (1E78-151)

Energy savings up to 33%

Display

Performance

Large, easy-to-read thermostat display

B & O terminals

Lighted display for easier low-light viewing

Meets California Building Code, Title 24 (1E78-151)

 

Comfort & Convenience

Millivolt compatible

Electronic temperature accuracy

Battery-powered thermostat for maximum

Adjustable room temperature calibration

compatibility (2 “AAA” premium brand batteries included)

Maintains room temperature differential

 

 

within +/- 1 degree

Terminal Designations (1E78-151, 1E78-144, F4-1748)

RC RH W Y G O B

24V Hot

24V Hot

Heating

Cooling

Blower/Fan

Energized

Energized

(cooling)

(heating)

System

System

 

in Cooling

in Heating

 

 

 

 

 

 

 

Terminal Designations (1E78-140)

RH W

24V Hot

Heating

(heating)

System

 

 

Wall Plate F61-2593

“New Construction Stat”

F4-1748 Subbase mounted on 2" x 4" Junction Box (not supplied)

1D78-140

with 1D78-140 “New Construction Stat”

F4-1748

1D78-140

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)

1.5 Amps 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: -40° to 150°F (-40° 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 (Must be used with F4-1748 subbase)

Thermostat Guard F29-0143 (For additional guard options refer to White-Rodgers catalog)

For Additional Information

Visit www.white-rodgers.com

St. Louis, Missouri

Markham, Ontario

314-553-3600

905-201-4701

www.white-rodgers.com

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

WR-6526-2

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Emerson 1E78-144 Programming, Display Performance, Comfort & Convenience, Terminal Designations 1E78-140, Accessories

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

The Emerson 1E78-140, 1E78-144, and 1E78-151 are advanced temperature controllers recognized for their precision and reliability in industrial applications. These models offer a range of features that enhance process monitoring and control, making them highly sought after in various sectors, including manufacturing, HVAC, and food processing.

One of the main features of these controllers is their user-friendly interface. Each model incorporates an intuitive display that provides real-time data visualization, allowing operators to monitor temperature conditions easily. The bright LCD screen is designed for clear visibility, even in low-light environments, and supports multiple languages for global accessibility.

In terms of technology, the Emerson 1E78 series utilizes advanced PID control algorithms. This technology ensures that the temperature remains within specified limits, reducing the risk of overheating or insufficient heating. The controllers have the ability to auto-tune, which simplifies the setup process by automatically determining the optimal control parameters. This feature minimizes the need for manual tuning, saving time and enhancing operational efficiency.

The models also come equipped with a robust communication interface, supporting various protocols such as Modbus and Ethernet. This allows for seamless integration into existing control systems, enabling centralized monitoring and control. The Emerson 1E78 controllers can easily connect to building management systems, providing users with comprehensive oversight of their operations.

Another significant characteristic of these controllers is their versatility. They can be configured to manage various types of sensors, including thermocouples and RTDs, accommodating a wide range of applications. The ability to support different sensor types contributes to their adaptability in diverse environments.

Furthermore, the Emerson 1E78-140, 1E78-144, and 1E78-151 feature robust construction designed to withstand challenging conditions. With protection rated to IP65, they are resistant to dust and moisture, making them suitable for use in harsh industrial settings.

In summary, the Emerson 1E78 series controllers boast a user-friendly interface, advanced PID control technology, versatile sensor compatibility, and robust construction. These features make them an ideal choice for businesses seeking reliable and efficient temperature management solutions, ensuring optimal performance while maintaining safety and precision in their operations.