Blue 4” Universal Thermostat with

Automatic Heat/Cool Changeover Option

Single Stage, Multi-Stage or Heat Pump

Installation and Operating Instructions for Model:

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.

Model

 

Programming Choices

 

 

 

 

1F85-0477

7 Day

 

5/1/1 Day

 

 

 

 

APPLICATIONS

THERMOSTAT APPLICATION GUIDE

Description

 

1F85-0477 Thermostat

 

 

 

 

 

Heat Pump (No Aux. or Emergency Heat)

Yes

 

 

 

 

Heat Pump (with Aux. or Emergency Heat)

Yes

 

 

 

 

Systems with up to 2 Stages Heat, 2 Stages Cool

Yes

 

 

 

 

Heat Only Systems (with optional fan switch)

Yes

 

 

 

 

Millivolt Heat Only Systems – Floor or Wall Furnaces

Yes

 

 

 

 

Cool Only Systems

Yes

 

 

 

 

Gas or Oil Heat

Yes

 

 

 

 

Electric Furnace

Yes

 

 

 

 

Hydronic (Hot Water) Zone Heat – 2 Wires

Yes

 

 

 

 

Hydronic (Hot Water) Zone Heat – 3 Wires

Yes

 

 

 

 

SPECIFICATIONS

Electrical Rating:

 

Battery Power

mV to 30 VAC, NEC Class II, 50/60 Hz or DC

Input-Hardwire

20 to 30 VAC

Terminal Load

1.5 A per terminal, 2.5A maximum all terminals combined

Setpoint Range

45° to 90°F (7° to 32°C)

Differential (Single Stage)

Heat 0.6°F; Cool 1.2°F (adjustable)

Differential (Heat Pump)

Heat 1.2°F; Cool 1.2°F (adjustable)

Operating Ambient

32° to +105°F (0° to +41°C)

Operating Humidity

90% non-condensing max.

Shipping Temperature Range

-40° to +150°F (-20° to +65°C)

Dimensions Thermostat

3-7/8”H x 5-1/8”W x 1-1/4”D

 

 

!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.

Index

Page

Installation

2

Wiring Connections

2

Wiring Diagrams

3

 

 

Thermostat Quick Reference

5

Installer Confi guration Menu

6

Operating Your Thermostat

8

Programming

8

Troubleshooting

11

ATTENTION: MERCURY NOTICE

This product does not contain mercury. However, this product may replace a product that contains mercury.

Mercury and products containing mercury must not be discarded in household trash. Do not touch any spilled mercury.Wearing non-absorbent gloves, clean up any spilled mercury and place in a sealed container. For proper disposal of a product containing mercury or a sealed container. Refer to www.white-rodgers.comfor location to send product containing mercury.

PART NO. 37-7050A

www.white-rodgers.com

09331

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White Rodgers 1F85-0477 specifications Applications, Specifications, Save these instructions for future use

1F85-0477 specifications

The White Rodgers 1F85-0477 is a popular thermostat designed to offer homeowners an efficient and user-friendly control over their heating and cooling systems. As part of the White Rodgers brand, which has been synonymous with reliable HVAC controls for decades, the 1F85-0477 stands out with a variety of features and technologies that enhance user experience.

One of the main features of the 1F85-0477 is its digital display, which provides clear and easy-to-read temperature settings. The intuitive interface allows users to adjust the temperature with just a few button presses, making it accessible for people of all ages. The large, backlit screen also ensures visibility even in low-light conditions, adding to its usability.

The 1F85-0477 supports both heating and cooling functions, making it versatile for year-round temperature control. This model is compatible with a range of HVAC systems, including gas, oil, and electric systems, as well as heat pumps. This broad compatibility ensures that homeowners can seamlessly integrate the thermostat into their existing setups without the need for extensive modifications.

Another significant feature is the programmable functionality, which allows users to set different temperature schedules for weekdays and weekends. This feature helps optimize energy use by ensuring that the heating or cooling system operates only when needed, thus contributing to lower energy bills. The thermostat can be programmed for up to seven days, offering flexibility and comfort tailored to individual lifestyles.

In terms of technology, the White Rodgers 1F85-0477 employs a precise temperature sensing mechanism that ensures accurate readings. This technology minimizes temperature fluctuations, which increases overall comfort levels within the home. Additionally, the model includes a built-in memory that retains settings even in the event of a power outage, ensuring that users don't have to reprogram their preferences.

The thermostat also boasts a sleek, modern design that fits well with contemporary home décor. Its user-friendly installation process allows homeowners to set it up quickly and easily, with minimal tools required.

Overall, the White Rodgers 1F85-0477 combines convenience, efficiency, and modern design into a reliable thermostat solution. With advanced features and robust technologies, it is an ideal choice for homeowners looking to enhance their HVAC control while enjoying optimal comfort and energy savings.