READ AND SAVE THESE INSTRUCTIONSSafety & Installation InstructionsModel 8800 Universal Communicating ThermostatInstallation location recommendati
18 19ERROR CODESIf the thermostat enters an error mode, all outputs are turned off. The thermostat attempts to recover every 10 minutes. If the error
P.O. Box 1467 • Madison, WI 53701-1467 • Phone: 800/334-6011 • Fax: 608/257-4357www.aprilairepartners.com61000761 1.12B2205382C © 2012 Aprilaire – A
2 3INSTALLATIONINSTALLATION LOCATION RECOMMENDATIONSThermostat should be mounted:• On an interior wall, in a frequently occupied space.• Approximate
4 5WIRING TERMINALWire specifications:18-24 gauge thermostat wireCAT-5 or equivalent for communication terminalsInstallation notes:• Ensure power at
6 7INSTALLATIONSINGLE TRANSFORMER (USE JUMPER WIRE)2nd COMPRESSOR2nd AUX HEATINGFAN1st COMPRESSOR1st AUX HEATINGOUTDOOR TEMP SENSORJUMPERREVERSING VAL
8 9SETUP & TESTINGINSTALLER SETUP MENUHOW TO ENTER THE INSTALLER SETUP MENU TO CHANGE SYSTEM SETTINGS:Press [MODE] to set system to OFF. Press [ME
10 11INSTALLER SYSTEM SETTINGS TABLE (CONTINUED)SETUP & TESTINGSystem setting DescriptionFactory default setting (bold) and setting range19. THI
12 13SETUP & TESTINGSYSTEM TEST MENUThe system test menu is used to test a system after installation. The outputs of the thermostat or humidistat
14 15QUICK REFERENCE TO CONTROLS & DISPLAYHOME SCREENNOTE: BACKLIGHT IS ACTIVATED WITH FIRST BUTTON PRESS AND AUTOMATICALLY TURNS OFF.CURRENT DAYF
16 17TROUBLESHOOTINGDISPLAY IS BLANK • Check circuit breaker and reset if necessary.• Make sure power switch at heating & cooling system is on.•
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