Setup & Testing

System test mode

The system test mode is used to test a system after installation.. The outputs of the thermostat can be manually activated one at a time to test their function. The following instructions show how to enter the test mode and turn outputs on and off. The charts on the following pages show the output status for each test step for Heat/Cool and Heat Pump mode..

The test steps are:

Test Number

Heat/Cool

Heat Pump

 

 

 

50

Heating (W) (W2)

Aux Heating (W) (W2)

 

 

 

51

Cooling (Y) (Y2)

Compressor Cooling (Y) (Y2)

 

 

 

52

Fan (G)

Compressor Heating (Y) (Y2)

 

 

 

53

 

Fan (G)

 

 

 

Setup & Testing

System test mode (continued)

How to enter the system test menu

Press

repeatedly until system is set to OFF..

Press and hold

and

for three seconds..

The screen of the first test step #50 is displayed:

SYSTEM TEST

FLASHES IF 24VAC

IS NOT PRESENT

NUMBER

 

 

MODE (SW1 SETTING)

OUTPUT STATUS

 

Press to turn on the output (01).. For multi stage

output, press again to turn on the 2nd stage (02)..

Press to turn off the output (00)..

Press to change to the next test step.

Press after the last test step. “DONE” will be displayed..

The thermostat will return to Normal mode if no button is pressed in 3 seconds..

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Aprilaire 8476 Test steps are, System test mode How to enter the system test menu Press, Press and hold

8476 specifications

The Aprilaire 8476 is a smart thermostat designed to enhance home climate control while promoting energy efficiency. This advanced thermostat stands out with its innovative features and user-friendly design, making it a top choice for homeowners looking to optimize their indoor environment.

One of the key features of the Aprilaire 8476 is its built-in Wi-Fi capability, which allows users to easily connect and control their home’s heating and cooling systems remotely via a smartphone or tablet. This connectivity ensures that users can adjust their home’s temperature settings anytime, anywhere, making it ideal for busy lifestyles.

The intuitive touchscreen interface offers easy navigation and clear visibility of current temperature settings and schedules. This modern design enhances user interaction, allowing for straightforward programming of heating and cooling schedules to suit individual preferences.

Energy efficiency is a top priority with the Aprilaire 8476. Its intelligent algorithms are designed to learn user habits over time, optimizing energy usage and reducing utility bills. The thermostat can provide energy reports and insights, helping homeowners make informed decisions about their energy consumption.

The Aprilaire 8476 also features advanced zoning capabilities, which means it can control multiple zones in a home independently. This feature ensures consistent comfort in different areas, allowing for customized climate control when needed.

For homes equipped with humidification systems, the Aprilaire 8476 integrates seamlessly, offering advanced humidity control. This capability helps maintain optimal indoor air quality and comfort levels, preventing issues associated with extreme dryness or humidity.

Compatibility is another strong point for the Aprilaire 8476, as it works with various HVAC systems, including conventional, heat pump, and multi-stage systems. This versatility means that homeowners do not need to worry about system incompatibilities when upgrading their thermostat.

In summary, the Aprilaire 8476 is an industry-leading smart thermostat that combines innovative technology with user-friendly features. Its Wi-Fi connectivity, touchscreen interface, energy efficiency practices, zoning capabilities, humidity control, and broad compatibility make it an excellent choice for homeowners seeking to enhance their comfort while reducing energy costs.