Aprilaire 8800 Installation Instructions

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Safety &
Installation
Instructions
Model 8800 Universal
Communicating Thermostat
Installation location recommendations.............2
Thermostat mounting...........................2
Outdoor temperature sensor (optional) .............2
Remote temperature sensor (optional) .............3
Power & reset options..........................3
Wiring terminal ...............................4
Wiring diagrams ............................5-7
TABLE OF CONTENTS
INSTALLATION
SETUP & TESTING
REFERENCES
Equipment type selection switch (SW1) ............7
Installer setup menu ...........................7
Installer system settings table ................8-10
System test menu ............................11
System test tables............................12
Quick reference to controls & display..........13-14
Thermostat features ..........................14
Troubleshooting ..............................15
Error codes ..................................16
Specifications................................16
61000761A 8800 Tstat Install.indd 1 3/28/11 3:25:13 PM

Aprilaire 8800 Specifications

Thermal Specifications

control temperature range	45º to 99ºF (7º to 32ºC)
display temperature range	32º to 99ºF (0º to 40ºC)
accuracy	± 1ºF (± .5ºC)

Operating Environment

storage temperature	-30º to 140ºF (-34.4º to 60ºC)
operating humidity	5% to 90% relative humidity
operating ambient temperature	32º to 120ºF (0º to 48.9ºC)

Electrical Specifications

voltage AC	24 VAC (18-30 VAC)
maximum load per terminal	1 amp
total maximum load	2.5 amp

Screen

screen size	10.3 sq. in.
backlit	constant low intensity light option
font size	large

Weight and Dimensions

height	4 15/16 inches
width	6 inches
depth	1 5/16 inches