Aprilaire 8910 Safety & Installation Instructions

Model 8910 Touch Screen
Thermostat with Integrated
Indoor Air Quality Solutions
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 .....................5
Optional wireless outdoor temperature
and humidity sensor............................5
Return air temperature sensor (optional) ...........6
Leaving air temperature sensor (optional) ..........6
TABLE OF CONTENTS
INSTALLATION
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.......14-16
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
Quick reference to controls & display..........21-22
Troubleshooting ...........................22-23
Error codes ..................................23
Thermostat features ..........................23
Specifications................................24
HVAC WIRING DIAGRAMS
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 DIAGRAMS
Indoor Air Quality wiring with separate transformers ...9
Indoor Air Quality wiring with a single transformer.....9
Safety &
Installation
Instructions
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Aprilaire 8910 Specifications

Power

power voltage	24 VAC
power voltage range	18-30 VAC
maximum load per terminal	1 amp
total maximum load	2.5 amp

Thermal Specifications

control range	40º to 99ºF (7º to 32ºC)
display range	32º to 99ºF (0º to 40ºC)
accuracy	± 1ºF (± .5ºC)
temperature offset	± 4°

Operating Environment

storage temperature	-30º to 140ºF (-34.4º to 60ºC)
operating humidity	5% to 90% relative humidity non-condensing
operating ambient temperature of user interface	32º to 120ºF (0º to 48.9ºC)
operating ambient temperature of ECM	32º to 158ºF (0º to 70ºC)
shipping temperature range	-30º to 140ºF (-34.4º to 60ºC)

Dimensions

user interface dimensions	6” x 4.85” x 1.25”
equipment control module dimensions	8.6” x 9.6” x 1.9”
screen size	10.3 sq. in.