Aprilaire Home Comfort Control 8910W User Manual

Home Comfort Control
™
with Wi-Fi
Model 8910W
Thermostat installation location recommendations ...2
Thermostat mounting...........................2
Equipment control module installation location
recommendations..............................2
Equipment control module mounting ..............2
Thermostat wiring .............................3
Remote temperature sensor (optional) .............3
Equipment control module wiring .................4
Outdoor temperature sensor (included).............5
Optional wireless outdoor temperature sensor ......5
Return air temperature sensor (optional) ...........6
Leaving air temperature sensor (optional) ..........6
Wi-Fi Setup ..................................2
TABLE OF CONTENTS
INSTALLATION
WI-FI SETUP
HVAC WIRING DIAGRAMS
INDOOR AIR QUALITY WIRING DIAGRAMS
POWER & RESET OPTIONS
SETUP & TESTING
REFERENCES
Power and reset options .......................10
Removal of Indoor Air Quality control buttons ......10
Equipment type selection switch (SW1) ...........11
Installer setup menu ..........................11
Change system settings........................11
HVAC installer system settings table ..........12-13
Indoor Air Quality system settings tables..........14
Air cleaning system settings table..............14
Humidifier system settings table ...............14
Dehumidifier system settings table .............15
Ventilation system settings table............15-16
System test menu .........................17-18
System test tables.........................18-20
Quick reference to controls & display..........21-22
Troubleshooting ...........................22-23
Error codes ..................................23
Home Comfort Control features .................23
Specifications................................24
Conventional heat/cool single transformer..........7
Conventional heat/cool two transformer ...........7
Heat pump single transformer....................8
Heat pump two transformer .....................8
Indoor Air Quality wiring with separate transformers ...9
Indoor Air Quality wiring with a single transformer.....9
Safety &
Installation
Instructions
READ AND SAVE THESE INSTRUCTIONS

Aprilaire Home Comfort Control 8910W Specifications

General

Display	Color touchscreen
Wi-Fi Connectivity	Yes
Scheduling	7-day programmable
Humidity Control	Yes
Operating Modes	Heat, Cool, Auto, Off
Remote Access	Yes
Energy Star Certified	Yes
Compatibility	Compatible with most HVAC systems
Mobile App	Aprilaire App
Power Source	Hardwired
Stages	2 heating, 2 cooling
Voice Control	Compatible with Amazon Alexa and Google Assistant

Summary

Wi-Fi Setup

Installation

Thermostat Wiring

Wiring specifications and notes for connecting the thermostat.

Equipment Control Module Wiring

Wiring diagram and notes for the equipment control module.

Outdoor Temperature Sensor (Included)

HVAC Wiring Diagrams

Conventional Heat/Cool Single Transformer

Conventional Heat/Cool Two Transformer

Heat Pump Single Transformer

Heat Pump Two Transformer

Indoor Air Quality Wiring Diagrams

Indoor Air Quality Wiring with Separate Transformers

Indoor Air Quality Wiring with a Single Transformer

Setup & Testing

Equipment Type Selection Switch (SW1)

Installer Setup Menu

Steps to enter and navigate the installer setup menu.

Change System Settings

How to navigate and change system settings within the menu.

HVAC Installer System Settings Table

Details and default settings for various HVAC system configurations.

Indoor Air Quality System Settings Tables

System settings and details for Indoor Air Quality functions.

Air Cleaning System Settings Table

Humidifier System Settings Table

Dehumidifier System Settings Table

Ventilation System Settings Table

How to Enter the System Test Menu

Instructions for accessing the system test mode.

System Test Steps

Steps involved in performing system tests.

System Test Tables

Tables detailing test procedures for various equipment stages.

Troubleshooting

Display Is Blank

Cooling System Does Not Respond

Troubleshooting steps for when the cooling system is not responding.

Heat Pump Issues Cool Air In Heat Mode, Or Warm Air In Cool Mode

Diagnosing and resolving heat pump operational issues.

Error Codes

List of error codes and their meanings for troubleshooting.