Aprilaire 61000652C 8400 Tstat installation instructions Specifications, Environment, Electrical

Page 27

Specifications

		Environment
	Temperature	Operating: 32° to 120°F (0° to 48.9°C)
	Temperature	Shipping: -30° to 140°F (-34.4° to 60°C)
		Shipping: -30° to 140°F (-34.4° to 60°C)

	Relative humidity	Operating: 5% to 90% R.H. (non-condensing)

		Electrical
	Operating voltage	24 VAC (18 – 30 VAC)

	Current	Maximum: 2.5A (total), 1.0A (single output)
	Current	Maximum surge current: 5A
		Maximum surge current: 5A

		Dual power. Can be battery or 24 VAC powered.
	Power supply	When both the sources are available, battery will be used as
		back up power.

	Battery power	Battery power: AA size alkaline battery x 2
	Battery power	Battery life: Approximately 1 year
		Battery life: Approximately 1 year

27

61000652C 8400 Tstat Install.indd 27

10/13/09 11:09:03 AM

Image 27

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 Minutes Auto mode is disabledFahrenheit No offset applied3F 2C Progressive recovery is enabled1F 0.5C B energized in cooling O60F 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 Thermostat Features All 8400 series thermostats Programmable models only 8463, 8465 Troubleshooting Temperature settings do not changeDisplay is blank Heating is not displayed Heating equipment is running in cool modeFan does not turn on in a call for heat Heat/cool both on at same timeSpecifications EnvironmentElectrical Thermal