Aprilaire 8620W Safety & Installation Instructions
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Aprilaire 8620W Safety & Installation Instructions

Thermostat with wi-fi, event-based air cleaning and humidity or ventilation contro
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See also: Owner's Manual

TAblE Of CONTENTS

WI-fI SETUp
Wi-Fi Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Installation location recommendations . . . . . . . . . . . . . 2
Outdoor temperature sensor (included) . . . . . . . . . . . . . 2
Remote temperature sensor (optional) . . . . . . . . . . . . . 3
Thermostat mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Power & reset options . . . . . . . . . . . . . . . . . . . . . . . . . . 4
Wiring terminal . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 4

WIRINg DIAgRAMS

Conventional heat/cool single transformer . . . . . . . . . . 5
Conventional heat/cool two transformer . . . . . . . . . . . 5
Heat pump single transformer . . . . . . . . . . . . . . . . . . . . 5
Heat pump two transformer . . . . . . . . . . . . . . . . . . . . . 5
Indoor Air Quality equipment - dehumidifier . . . . . . . . 6
Indoor Air Quality equipment - humidifier . . . . . . . . . . 6
Indoor Air Quality equipment - ventilation . . . . . . . . . . 6
Model 8620W Thermostat with
Wi-fi, Event-based
Humidity or Ventilation Control
READ AND SAVE THESE INSTRUCTIONS
Equipment type selection switch (SW1) . . . . . . . . . . . . 7
Installer setup menu . . . . . . . . . . . . . . . . . . . . . . . . . . . 7
Change system settings . . . . . . . . . . . . . . . . . . . . . . . . . 7
HVAC installer system settings table . . . . . . . . . . . . 8-9
Air cleaning sytem settings table . . . . . . . . . . . . . . 10
Humidifier system settings table . . . . . . . . . . . . . . . 10
Dehumidifier system settings table . . . . . . . . . . . . . 11
Ventilation system settings table . . . . . . . . . . . . 11-12
System test menu . . . . . . . . . . . . . . . . . . . . . . . . . 13-14
System test tables . . . . . . . . . . . . . . . . . . . . . . . . . 15-16
REfERENCES
Quick reference to controls & display . . . . . . . . . . . . . 17
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 18
Error codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Thermostat features . . . . . . . . . . . . . . . . . . . . . . . . . . 19
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 20
Air Cleaning and
™
Safety &
Installation
Instructions

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Summary of Contents for Aprilaire 8620W

  • Page 1: Table Of Contents

    Model 8620W Thermostat with Wi-fi, Event-based Air Cleaning and ™ Humidity or Ventilation Control Safety & Installation Instructions READ AND SAVE THESE INSTRUCTIONS TAblE Of CONTENTS WI-fI SETUp SETUp & TESTINg Wi-Fi Setup . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2 Equipment type selection switch (SW1) .

  • Page 2: Wi-Fi Setup

    WI-fI SETUp INSTAllATION For detailed instructions for connecting the thermostat to a Wi-Fi network and registering it to an Aprilaire account, REMOTE TEMpERATURE SENSOR (OpTIONAl) refer to the Wi-Fi Quick Start Guide included in the box. A remote temperature sensor can be used for control if the thermostat is to be mounted in a concealed location or a remote sensor can be averaged with the thermostat sensor to control a large space .

  • Page 3: Power & Reset Options

    INSTAllATION INSTAllATION pOWER & RESET OpTIONS CONVENTIONAl HEAT/COOl WIRINg DIAgRAMS The thermostat is powered from 24VAC . In the case of SINglE TRANSfORMER (USE JUMpER WIRE) TWO TRANSfORMERS (REMOVE JUMpER WIRE) power loss the thermostat will maintain the clock for 24 RESET hours .

  • Page 4: Setup & Testing

    INSTAllATION SETUp & TESTINg INDOOR AIR QUAlITY EQUIpMENT WIRINg DIAgRAMS EQUIpMENT TYpE SElECTION SWITCH (SW1) This thermostat has the option of being used in heat DEHUMIDIfIER WIRINg HUMIDIfIER WIRINg pump or heat/cool systems . Switch SW1 located on the HEAT/COOL back of the thermostat’s face is used to select this option.

  • Page 5: Hvac Installer System Settings Table

    Cool Only 26 . Away Enables the Away feature . The Away feature Disable allows the Aprilaire mobile and web apps to use Enable 05 . Heat/Cool: Cooling Stages Heat/Cool: Number of Cooling Stages. a single button press to set the thermostat to a Heat Pump: Compressor Heat Pump: Number of Compressor Stages.

  • Page 6: Indoor Air Quality System Settings Tables

    Whole Home sensor, will be presented prior to entering the Indoor Air Quality system settings. Air Conditioner Please refer to the Model 8620W Owner’s Manual for further information about thermostat features. Humidity Setpoint Deadband Select the minimum difference between the humidifier 10 percent RH and dehumidifier setpoints .

  • Page 7: Climate Map For Ashrae Fresh Air Setup

    SETUp & TESTINg SETUp & TESTINg Ventilation System Settings Table (continued) REMOVAl Of INDOOR AIR QUAlITY CONTROl bUTTONS factory default setting (bold) If any of the Indoor Air Quality control features are not installed, the corresponding button can be removed using the System setting Description and setting range...

  • Page 8: System Test Tables

    SETUp & TESTINg SETUp & TESTINg SYSTEM TEST MENU SYSTEM TEST TAblES (CONTINUED) Each equipment test will begin with the selection of turning on the output or stage as shown below . Heat / Cool Heating Equipment Test press to change the selection . Heat Type press [NEXT] to accept the selection and proceed to the next step.

  • Page 9: Quick Reference To Controls & Display

    SETUp & TESTINg QUICK REfERENCE TO CONTROlS & DISplAY SYSTEM TEST TAblES HOME SCREEN (CONTINUED) ROOM TEMPERATURE CURRENT DAY OUTDOOR TEMPERATURE TEMPERATURE SETTING ROOM RELATIVE HUMIDITY Heat / Cool Cooling Equipment Test AIR CLEANING BUTTON FAN MODE (ENTERS EVENT-BASED ™ SETTING 1st Stage Test CLEANING CONTROL SCREEN)

  • Page 10: Troubleshooting

    TROUblESHOOTINg ERROR CODES If the thermostat enters an error mode, all outputs are turned off. The thermostat attempts to recover every 10 minutes. DISplAY IS blANK HEAT pUMp ISSUES COOl AIR IN HEAT MODE, OR WARM AIR IN COOl MODE Error code Message Error Description...

  • Page 11: Specifications

    Dehumidification: 40% to 90% R .H . P.O. Box 1467 • Madison, WI 53701-1467 • Phone: 800/334-6011 • Fax: 608/257-4357 www.aprilairepartners.com 61001109 5 .15 U.S. Patent Numbers 8,146,376, 8,596,078 and other patents pending. B2206471A © 2015 Aprilaire – A division of Research Products Corporation...

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