Emerson UP400 User's Guide download pdf (Page 6)

8 9

If the OLD thermostat’s

terminal is wired into the wall

and identiﬁ ed by this letter…

…Then label its wire with

this letter:

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

2.2.2 Label 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:

– ﬁ nd 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:

– Circle all your out-of-the-wall

labeled wires

– Pencil in any jumper wire

connecting 2 terminals

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.

Note: No thermostat installation uses all of the wires shown

on page 9. In most cases, between 4 and 5 terminals are wired.

wall

RC, R

RH, 5, R5

W, 4, W1

W2, W-U

Y, Y 1

L, F

X, C

wall

If terminal “O” is NOT wired.

If terminal “O” is wired.

2.2 Label and disconnect the wires (cont.)

Examples

1 2 3 4 5 6 7 8 9 10 11 ... 17 18

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Emerson UP400 User's Guide Page 6

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