White Rodgers UP400 installation instructions 2.2Label and disconnect the wires cont, X, C

2.2Label and disconnect the wires (cont.)

2.2.2Label each wire that comes out of the wall and attaches to terminals on the old thermostat. Use labels provided with your new thermostat.

1.Note the letter printed near each wired terminal

2.For each out-of-the-wall wire:

–find its terminal letter(s) in the left column of the table on page 9,

–label the wire according to the right column of the table.

3.Make the following notes in the right column of the table on page 9:

If the OLD thermostat’s		…Then label its wire with
terminal is wired into the wall
and identified by this letter…		this letter:
wall	G	wall
		G
wall	RC, R	wall
		RC
wall	RH, 5, R5	wall
		RH
wall	W, 4, W1	wall
		W
wall	W2, W-U	wall

wall

C

wall

RC

wall

RH

Examples

–Circle all your out-of-the-wall labeled wires

–Pencil in any jumper wire connecting 2 terminals

		W2
wall	Y, Y1	wall
		Y
wall	Y2	wall
		Y2
wall	O	wall
		O
wall	L, F	wall

You’ll need this information further in the installation process!

Note: No thermostat installation uses all of the wires shown on page 9. In most cases, between 4 and 5 terminals are wired.

Mislabeling the wires could result in damage to your heating and cooling unit.

Contact White-Rodgers™Customer Service at 1-877-654-9394 if your old thermostat contains any wired terminals not listed in the table.

		L
wall	X, C	wall
		C
		If terminal “O” is NOT wired. wall
wall	B		B
		If terminal “O” is wired.	wall

C

8 9