Aprilaire 61000652C 8400 Tstat installation instructions Table of contents

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Table of contents
Installation
Installation location recommendations	3
Outdoor temperature sensor (optional)	4
Thermostat mounting	.5
Power & reset options	. 5
Wiring terminal	6
Wiring diagrams	.7
Setup & Testing
System setup instructions	11
System test mode	16
References
Quick reference to controls & display
• Non-programmable models (8444, 8446, 8448)	22
• Programmable models (8463, 8465, 8466)	23
Thermostat features	24
Troubleshooting	25
Specifications	27

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61000652C 8400 Tstat Install.indd 2

10/13/09 11:08:56 AM

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Contents Safety Installation Instructions Table of contents Installation Do not mount thermostatOutdoor temperature sensor optional Thermostat mounting Power & Reset options For heat pump models 8446, 8448HP, 8465, 8466HPWiring terminal Wire specifications Installation notesWiring 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 Setup & Testing System setup instructionsSW1 No offset applied Auto mode is disabledFahrenheit MinutesB energized in cooling O Progressive recovery is enabled1F 0.5C 3F 2C20F -7C 60F 16CSystem test mode Test steps areSystem test mode How to enter the system test menu Press Press and holdSystem Setting Display Output Test steps for 8444Test steps for 8448HC & 8466HC Test steps for 8446 Test steps for 8448HP & 8466HP Quick Reference to controls & Display Non-Programmable models 8444, 8446Programmable models 8463, 8465 Programmable models only 8463, 8465 Thermostat FeaturesAll 8400 series thermostats Display is blank TroubleshootingTemperature settings do not change Heat/cool both on at same time Heating equipment is running in cool modeFan does not turn on in a call for heat Heating is not displayedElectrical SpecificationsEnvironment Thermal