1G66 and 150

ELECTRIC-HEAT THERMOSTAT

(Double Line Disconnect)

INSTALLATION INSTRUCTIONS

FAILURE TO READ AND FOLLOW ALL INSTRUCTIONS CAREFULLY BEFORE INSTALLING OR OPERATING THIS CONTROL COULD CAUSE PERSONAL INJURY AND/OR PROPERTY DAMAGE.

DESCRIPTION

The Type 1G66 Electric Heat Thermostat is designed for use on all types of electrical heating installations such as cable heat, baseboards, wall insert heaters, etc.

The Type 1G66 thermostat is intended for use on 240 or 277 VAC where local codes require that a double line disconnect thermostat be used. This thermostat can also be used on 120 VAC. (See specific wiring information for 120 VAC.)

Dial Setting: This thermostat may be set anywhere between 40° and 80°F by simply turning the knob so the indicator on knob points to the desired setting.

The knob may be turned past 40° to the “OFF” position to obtain temporary shutdown of the heating equipment for short periods of time such as on weekends, vacation, etc. Turning knob to “OFF” position will break both sides of line.

NOTE: Only one side of line is broken during normal cycling of this thermostat.

50

60

40

70

 

OFF

80

This Thermostat includes:

Wall cover plate (required when thermostat will not hide wall imperfections behind old thermostat)

Two cover mounting screws Three Temperature Limiting Pins

PRECAUTIONS

This control is a precision instrument, and should be handled carefully. Rough handling or distorting components could cause the control to malfunction. Take care not to push or damage the internal bimetal sensing element during installation.

!CAUTION

To prevent electrical shock and/or equipment damage, disconnect electric power to system, at main fuse or circuit breaker box, until installation is complete.

All wiring must conform to local and national electrical codes and ordinances.

!WARNING

Do not use on circuits exceeding specified voltages. Higher voltages will damage control and could cause shock or fire hazard.

Do not use on inductive loads. Inductive (motor) loads will damage control and could cause shock, fire hazard or failure of thermostat.

SPECIFICATIONS

Switch Rating: Non-Inductive

Temperature Range: 40° to 80°F

 

 

22A (5000W) 240VAC

Differential: 3.0°F

 

 

19A (5000W) 277VAC

Switch Action: Open on rise

 

 

22A (2500W) 120VAC

 

 

Contact Structure: Double Line Disconnect - DPST

 

 

 

 

 

 

 

 

 

 

 

White-Rodgers is a division

PART NO. 37-6756A

 

 

 

of Emerson Electric Co.

 

 

 

 

www.white-rodgers.com

0610

 

 

 

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White Rodgers 150, 1G66 installation instructions Installation Instructions, Description, Precautions, Specifications

150, 1G66 specifications

The White Rodgers 150,1G66 is a versatile and efficient thermostat that has garnered attention for its user-friendly features and advanced technology. This model is part of the White Rodgers product line, which is known for its commitment to quality and innovation in climate control solutions.

One of the primary features of the White Rodgers 150,1G66 is its compatibility with a wide range of heating and cooling systems. It supports both single-stage and multi-stage systems, making it suitable for various residential and commercial applications. Homeowners and HVAC professionals appreciate its adaptability, allowing for easy integration into many existing setups without the need for extensive modifications.

The thermostat employs digital technology, enabling precise temperature control and improved energy efficiency. Users can program their heating and cooling schedules to optimize comfort while minimizing energy consumption. This feature is particularly beneficial for those looking to reduce their utility bills. With multiple program options, users can customize settings for different days of the week, ensuring that the environment is comfortable when needed and energy is conserved when it isn’t.

Another standout characteristic of the White Rodgers 150,1G66 is its intuitive interface. The large, easy-to-read display allows users to navigate settings effortlessly. Features such as backlighting make it simple to read in low-light conditions, while straightforward buttons and menus ensure that even those who are not tech-savvy can operate the thermostat with ease.

In terms of installation, the White Rodgers 150,1G66 is designed for convenience. It comes with a straightforward setup guide and is compatible with various mounting options, which means it can be installed quickly by homeowners or HVAC technicians alike. Additionally, its durable design ensures longevity, promising reliable performance over the years.

Energy-saving technologies are increasingly vital in today’s environment-conscious society, and the White Rodgers 150,1G66 meets this demand. With its ability to learn user preferences and adjust accordingly, it can significantly contribute to energy efficiency over time. This feature not only aids in reducing energy consumption but also supports a more sustainable lifestyle.

Overall, the White Rodgers 150,1G66 stands as a commendable choice for those seeking a reliable, user-friendly thermostat that balances technology with efficiency. Its range of features, coupled with its ease of use, make it an appealing option for homeowners desiring comfort and control over their indoor climate. Whether for new installations or replacements, the 150,1G66 sets a high standard in thermostat technology.