Aprilaire 8910 Safety & Installation Instructions
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Aprilaire 8910 Safety & Installation Instructions

Touch screen thermostat with integrated indoor air quality solutions
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READ AND SAVE THESE INSTRUCTIONS
Safety &
Installation
Instructions

TABLE OF CONTENTS

Thermostat mounting . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
recommendations . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2
Equipment control module mounting . . . . . . . . . . . . . . 2
Thermostat wiring . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3
Remote temperature sensor (optional) . . . . . . . . . . . . . 3
Equipment control module wiring . . . . . . . . . . . . . . . . . 4
Outdoor temperature sensor . . . . . . . . . . . . . . . . . . . . . 5
and humidity sensor . . . . . . . . . . . . . . . . . . . . . . . . . . . . 5
Conventional heat/cool single transformer . . . . . . . . . . 7
Conventional heat/cool two transformer . . . . . . . . . . . 7
Heat pump single transformer . . . . . . . . . . . . . . . . . . . . 8
Heat pump two transformer . . . . . . . . . . . . . . . . . . . . . 8
Model 8910 Touch Screen
Thermostat with Integrated
Indoor Air Quality Solutions
Power and reset options . . . . . . . . . . . . . . . . . . . . . . . 10
Equipment type selection switch (SW1) . . . . . . . . . . . 11
Installer setup menu . . . . . . . . . . . . . . . . . . . . . . . . . . 11
Change system settings . . . . . . . . . . . . . . . . . . . . . . . . 11
HVAC installer system settings table . . . . . . . . . . 12-13
Air cleaning sytem settings table . . . . . . . . . . . . . . 14
Humidifier system settings table . . . . . . . . . . . . 14-15
Dehumidifier system settings table . . . . . . . . . . . . . 15
Ventilation system settings table . . . . . . . . . . . . . . . 16
System test menu . . . . . . . . . . . . . . . . . . . . . . . . . 17-18
System test tables . . . . . . . . . . . . . . . . . . . . . . . . . 18-20
REFERENCES
Quick reference to controls & display . . . . . . . . . . 21-22
Troubleshooting . . . . . . . . . . . . . . . . . . . . . . . . . . . 22-23
Error codes . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Thermostat features . . . . . . . . . . . . . . . . . . . . . . . . . . 23
Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 24

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Summary of Contents for Aprilaire 8910

  • Page 1: Table Of Contents

    Model 8910 Touch Screen Thermostat with Integrated Indoor Air Quality Solutions READ AND SAVE THESE INSTRUCTIONS Safety & Installation Instructions TABLE OF CONTENTS INSTALLATION POWER & RESET OPTIONS Power and reset options . . . . . . . . . . . . . . . . . . . . . . . 10 Thermostat installation location recommendations .

  • Page 2: Installation

    INSTALLATION INSTALLATION THERMOSTAT INSTALLATION LOCATION RECOMMENDATIONS THERMOSTAT WIRING Thermostat should be mounted: Do not mount thermostat: Wire specifications: • On an interior wall, in a frequently occupied space . • Behind doors, in corners or other dead air spaces . 18-24 gauge thermostat wire •...

  • Page 3: Equipment Control Module Wiring

    INSTALLATION INSTALLATION EQUIPMENT CONTROL MODULE WIRING OUTDOOR TEMPERATURE SENSOR Outdoor temperature can be measured by installing an 8052 sensor (included) to the ODT terminals and enabling the outdoor sensor in the installer set-up menu . When an outdoor sensor is installed, the features below will be enabled . In heat pump mode the outdoor temperature sensor can be used to efficiently utilize an air source heat pump: •...

  • Page 4: Return Air Temperature Sensor (Optional)

    Do not mount the sensor in direct line-of-sight of the heat exchanger, cooling coils, or UV lights as this may cause the sensor to report false temperature readings . COOLING TRANSFORMER 1 . Locate the Aprilaire Model 8052 sensor in the supply trunk, after the heat exchanger and cooling coils . (See THERMOSTAT shaded areas in figure below .) 2 .

  • Page 5: Hvac Wiring Diagrams

    HVAC WIRING DIAGRAMS INDOOR AIR QUALITY WIRING DIAGRAMS HEAT PUMP SINGLE TRANSFORMER (USE JUMPER WIRE) INDOOR AIR QUALITY WIRING WITH SEPARATE TRANSFORMERS TRANSFORMER HUMIDIFIER HEAT PUMP TRANSFORMER THERMOSTAT DHnc HEATING HEATING DEHUMIDIFIER TRANSFORMER REVERSING VALVE NORMALLY COMPRESSOR CLOSED DAMPER COMPRESSOR TRANSFORMER REVERSING VALVE PILOT RELAY FOR...

  • Page 6: Power & Reset Options

    POWER & RESET OPTIONS SETUP & TESTING The equipment control module is powered from EQUIPMENT TYPE SELECTION SWITCH (SW1) 24VAC . The thermostat is powered from the equipment RESET interface module and has a battery back-up option for BUTTON This thermostat has the option of being used in heat the clock .

  • Page 7: Hvac Installer System Settings Table

    SETUP & TESTING SETUP & TESTING HVAC INSTALLER SYSTEM SETTINGS TABLE HVAC INSTALLER SYSTEM SETTINGS TABLE (CONTINUED) The following table contains the system settings and their details . Default settings are shown in bold . Some settings Factory default setting (bold) are only available dependent upon the value of other settings .

  • Page 8: Indoor Air Quality System Settings Tables

    First Reminder Month Change Water Panel Reminder set to 2 per Season: February Please refer to the Model 8910 Owner’s Manual for further information about thermostat features . (Change Water Panel Determines the first month the “Change Water Panel” March...

  • Page 9: Ventilation System Settings Table

    SETUP & TESTING SETUP & TESTING Ventilation System Settings Table SYSTEM TEST MENU Factory default setting (bold) The system test menu is used to test a system after installation . The outputs of the thermostat can be manually System setting Description and setting range activated to test their function .

  • Page 10: System Test Tables

    SETUP & TESTING SETUP & TESTING SYSTEM TEST MENU SYSTEM TEST TABLES (CONTINUED) (CONTINUED) While the equipment test is active the corresponding test information will be shown . Heat Pump Heating Equipment Test (Electric Heat) Press [NEXT] to accept the selection and proceed to the next test selection . Compressor Stages Stages...

  • Page 11: 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 ™ BUTTON 1st Stage Test CLEANING CONTROL SCREEN)

  • Page 12: Troubleshooting

    QUICK REFERENCE TO CONTROLS & DISPLAY TROUBLESHOOTING EQUIPMENT CONTROL MODULE LEDs HEAT/COOL BOTH ON AT SAME TIME “HEATING” IS NOT DISPLAYED • Check SW1 (Equipment Type), to make sure it is set • Check Installer System Setting number 05 POWER/STATUS – On solid during normal operation . Flashes to match the installed heating/cooling equipment .

  • Page 13: Specifications

    P .O . Box 1467 • Madison, WI 53701-1467 • Phone: 800/334-6011 • Fax: 608/257-4357 www.aprilairepartners.com 61000850 2 .17 U .S . Patent Numbers 8,146,376, 8,596,078 and other patents pending B2205646E © 2017 Aprilaire – A division of Research Products Corporation...

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