WHITE-RODGERS

3L09

Limit Controls

 

INSTALLATION INSTRUCTIONS

Operator: 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.

This series of limit controls has a normally closed SPST switch that opens on temperature rise to limit the maxi- mum allowable temperature in forced air heating sys-

DESCRIPTION

tems. A small bimetal sensing element is located in the air stream for quick response. These controls have a fixed temperature setting and fixed differential.

THIS CONTROL MUST BE INSTALLED BY A QUALI- FIED INSTALLER.

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

This control is a precision instrument, and should be handled carefully. Rough handling or distorting compo- nents could cause the control to malfunction.

This control has been accurately calibrated at the factory. Any attempt to re-calibrate this control will void the White- Rodgers warranty.

!WARNING

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

If in doubt about whether your wiring is millivolt, low or line voltage, have it inspected by a quali- fied heating and air conditioning contractor or a licensed electrician.

PRECAUTIONS

!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.

Label all wires prior to disconnection when ser- vicing controls. Wiring errors can cause improper and dangerous operation.

Following installation or replacement, follow appliance manufacturers’ recommended instal- lation/service instructions to insure proper op- eration.

 

 

SPECIFICATIONS

 

 

ELECTRICAL RATING:

Temperature Setting:

Resistive: 15 amps @ 120 VAC

Fixed setting stamped on control

13 amps @ 240 VAC

 

 

9.3 amps @ 277 VAC

 

 

Inductive: 5.8 FLA, 34.8 LRA @ 120 VAC

2.9FLA, 13.0 LRA @ 240 VAC Pilot Duty: 278 VA

INSTALLATION

This control must be mounted in the air stream of the appliance. Follow the original equipment manufacturers’ recommendations for proper location and wiring.

Wiring

All wiring must conform to local and national

electrical codes and ordinances.

WHITE-RODGERS DIVISION

EMERSON ELECTRIC CO.

9797 REAVIS ROAD

ST. LOUIS, MISSOURI 63123-5398

PART NO. 37-6133A

Printed in U.S.A.

9949

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White Rodgers 3L09 specifications Description, Precautions, Installation

3L09 specifications

The White Rodgers 3L09 is a highly regarded thermostat known for its reliability and advanced features, making it a popular choice for both residential and commercial applications. This device is designed to provide precise temperature control while offering various functionalities that enhance user experience.

One of the main features of the White Rodgers 3L09 thermostat is its user-friendly interface, which includes an easy-to-read digital display. This display allows users to monitor and adjust their heating and cooling settings with minimal effort, ensuring comfort and efficiency within any space. The unit is equipped with a simple set of buttons that facilitate straightforward programming and adjustment, ideal for those unfamiliar with complex thermostat systems.

In terms of technology, the 3L09 utilizes advanced microprocessor controls. This technology enables the thermostat to maintain a consistent temperature by continuously measuring the ambient temperature and making necessary adjustments to the HVAC system. Furthermore, the microprocessor aids in energy management, optimizing the operation of heating and cooling systems to minimize energy consumption without sacrificing comfort.

Another notable characteristic of the White Rodgers 3L09 is its compatibility. It works seamlessly with a wide range of HVAC systems, including gas, oil, and electric models. This versatility makes it an attractive option for a variety of setups, allowing it to replace outdated thermostats easily. Additionally, the thermostat supports both conventional and heat pump systems, making it suitable for diverse heating and cooling requirements.

The 3L09 also features a programmable scheduling option, which allows users to set specific temperature settings for different times of the day. This capability is particularly beneficial for homeowners seeking to reduce energy usage while ensuring optimal comfort during peak hours of activity. The programming functions are intuitive, enabling users to create schedules that align with their daily routines.

Moreover, the White Rodgers 3L09 boasts a backup battery feature, providing added reliability in case of power outages. This ensures that users can maintain their programmed settings, further enhancing user satisfaction.

Overall, the White Rodgers 3L09 thermostat combines advanced technology, user-friendly design, and a flexible range of features, making it an excellent choice for anyone looking to improve their home's climate control. Its efficient operation and ease of use position it as a leading option in the realm of residential heating and cooling solutions.