Aprilaire 8476W Safety & Installation Instructions
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Aprilaire 8476W Safety & Installation Instructions

Thermostat with wi-fi and event-based air cleaning
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See also: Owner's Manual
Model 8476W Thermostat
with Wi-Fi and
Event-Based
Air Cleaning
™
Safety &
Installation
Instructions
READ AND SAVE THESE INSTRUCTIONS

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Summary of Contents for Aprilaire 8476W

  • Page 1 Model 8476W Thermostat with Wi-Fi and Event-Based Air Cleaning ™ Safety & Installation Instructions READ AND SAVE THESE INSTRUCTIONS...

  • Page 2: Table Of Contents

    TABlE OF CONTENTS WI-FI SETUP For detailed instructions for connecting the thermostat to a Wi-Fi network and registering it to an Aprilaire account, WI-FI SETUP refer to the Wi-Fi Quick Start Guide included in the box. Wi-Fi setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .3...

  • Page 3: Installation

    INSTAllATION INSTAllATION OUTDOOR TEMPERATURE SENSOR (OPTIONAl) THERMOSTAT MOUNTINg Outdoor temperature can be measured by attaching an • Install on side of building out of direct sunlight 1. Remove the rear mounting plate from the thermostat. 8052 sensor to the S1 and S2 terminals. System setting (north side recommended) .

  • Page 4: Wiring Terminal

    INSTAllATION INSTAllATION WIRINg TERMINAl WIRINg – SINglE TRANSFORMER (USE WIRINg – TWO TRANSFORMERS (REMOVE JUMPER WIRE) FOR HEAT/COOl SYSTEM JUMPER WIRE) FOR HEAT/COOl SYSTEM Wire specifications RC – 24 VAC supply cooling* 18-24 gauge thermostat wire R – 24 VAC supply heating* W –...

  • Page 5: Setup & Testing

    INSTAllATION SETUP & TESTINg WIRINg – SINglE TRANSFORMER (USE WIRINg – TWO TRANSFORMERS (REMOVE SYSTEM SETUP INSTRUCTIONS JUMPER WIRE) FOR HEAT PUMP SYSTEM JUMPER WIRE) FOR HEAT PUMP SYSTEM The following instructions show how to enter the system setup menu and change settings . The table on the following pages lists the settings and their details.

  • Page 6: System Setup Instructions

    (CONTINUED) (CONTINUED) The Model 8476W thermostat has the option of being used in heat pump or heat/cool systems. Switch SW1 located Factory default setting (bold) on the back of the thermostat is used to select this . System setting number 01 will only be shown on these models...
  • Page 7 0: Not installed 26. Away Enables the Away feature. The Away feature 0: Disable allows the Aprilaire mobile and web apps to use 1: Installed 1: Enable a single button press to set the thermostat to a 18. Compressor Min Off Time Minimum off time for compressor protection.
  • Page 8 SETUP & TESTINg SETUP & TESTINg SYSTEM SETUP INSTRUCTIONS SYSTEM SETUP INSTRUCTIONS (CONTINUED) (CONTINUED) Factory default setting (bold) Factory default setting (bold) System setting Description and setting range System setting Description and setting range 28. Blast Offset Amount of heating when Heat Blast is initiated. 3°F (1.5°C) 55.

  • Page 9: System Test Mode

    SETUP & TESTINg SETUP & TESTINg SYSTEM TEST MODE SYSTEM TEST MODE (CONTINUED) The system test mode is used to test a system after installation . The outputs of the thermostat can be manually How to enter the system test menu Press to turn on the output (01) .
  • Page 10 SETUP & TESTINg SETUP & TESTINg Test steps for Heat/Cool Test steps for Heat Pump System Setting Display (Output) System Setting Display (Output) 01 AUX 02 AUX Step Key Input Step Key Input HEATINg HEATINg COOlINg COOlINg FAN ON HEATINg HEATINg COOl/HEAT COOl/HEAT...

  • Page 11: Quick Reference To Controls & Display

    QUICK REFERENCE TO CONTROlS & DISPlAY THERMOSTAT FEATURES • Remote access and control over Wi-Fi. CURRENT INDOOR TEMPERATURE CURRENT TIME OUTDOOR TEMPERATURE (OPTIONAL) • Event-Based Air Cleaning. ™ SYSTEM MODE SETTING • Large, clear, backlit display is easy to read – even in the dark. TEMPERATURE SETTING •...

  • Page 12: Troubleshooting

    TROUBlESHOOTINg TROUBlESHOOTINg DISPlAY IS BlANK HEATINg SYSTEM DOES NOT RESPOND COOlINg SYSTEM DOES NOT RESPOND HEAT/COOl BOTH ON AT SAME TIME (“HEATINg” APPEARS ON SCREEN) (“COOlINg” APPEARS ON SCREEN) • Check SW1 (Equipment Type), to make sure it is set •...

  • Page 13: Specifications

    Maximum surge current: 5A P.O. Box 1467 • Madison, WI 53701-1467 • Phone: 800/334-6011 • Fax: 608/257-4357 www.aprilairepartners.com 61001119 5 .15 U.S. Patent Numbers 8,146,376, 8,596,078 and other patents pending. B2206487A © 2015 Aprilaire – A division of Research Products Corporation...

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