Siemens 125-5050 owner manual Power Wiring, Application

		Chapter 1 – Product Overview
Digital
		Application
	Damper Actuator	All
	Fan	2865, 2866, 2867
 First valve actuator (required)		2863
 Stage 1 electric reheat; or, 2-position heating valve		2862
 Stage 1 electric reheat		2864, 2866
 Stage 2 electric reheat (optional)		2862, 2864, 2866
 Stage 3 electric reheat (optional)		2862
	Valve actuator	2865, 2867

Power Wiring

The controller is powered by 24 Vac. Power wiring connects to the two screw terminals on the controller labeled “C” (Common) and “H” (Hot) on the terminal block labeled “24 VAC”. No earth ground connection is required. See the following figure.

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Siemens Industry, Inc.	BACnet ATEC Owner's Manaul
125-5050, Rev. AA	4/20/2010