Aprilaire 61000652C 8400 Tstat installation instructions Safety Installation Instructions

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8400 Series Thermostats

Safety &

Installation

Instructions

READ AND SAVE THESE INSTRUCTIONS

61000652C 8400 Tstat Install.indd 1

10/13/09 11:08:56 AM

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Contents Safety Installation Instructions Table of contents Do not mount thermostat InstallationOutdoor temperature sensor optional For heat pump models 8446, 8448HP, 8465, 8466HP Thermostat mounting Power & Reset optionsInstallation notes Wiring terminal Wire specificationsWiring Model 8463 & 8444 Two Transformers Remove Jumper Wire Wiring Model 8465 & 8446 Two Transformers Remove Jumper Wire RC R RC R W Y G C S1 S2 O/B L W2 Y2 System setup instructions Setup & TestingSW1 Fahrenheit Auto mode is disabledNo offset applied Minutes1F 0.5C Progressive recovery is enabledB energized in cooling O 3F 2C60F 16C 20F -7CTest steps are System test modePress and hold System test mode How to enter the system test menu PressTest steps for 8444 System Setting Display OutputTest steps for 8448HC & 8466HC Test steps for 8446 Test steps for 8448HP & 8466HP Non-Programmable models 8444, 8446 Quick Reference to controls & DisplayProgrammable models 8463, 8465 All 8400 series thermostats Thermostat FeaturesProgrammable models only 8463, 8465 Temperature settings do not change TroubleshootingDisplay is blank Fan does not turn on in a call for heat Heating equipment is running in cool modeHeat/cool both on at same time Heating is not displayedEnvironment SpecificationsElectrical Thermal