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6
Remove any jumpers
A jumper is used to connect two terminals. It may look
like a small staple or a colored wire.
Do not discard.
Keep jumpers with your old wallplate.
7
Label the wires
Use the stickers provided with your new thermostat to
label each wire on your existing wall plate.
Do not label jumpers. Your new thermostat does not
need jumpers.
8
Write down the colors of the wires
Check the boxes and write down the color of the wires connected to terminals that are coming
from the wall. Check all that apply (not all will apply).
Terminal
¨
A or L/A
¨
C
¨
E
¨
G
¨
K
¨
O/B
¨
U (1 or 2)**
* A C-wire or C-Wire Power Adapter (see included free offer) is required.
** The T9 Smart thermostat cannot control equipment wired to U1 or U2.
If there are wires in terminals that are not listed, you will need additional wiring support. Visit
Resideo.com
to find out more.
Wire Color
¨
¨
Required*
¨
¨
¨
¨
¨
Example
of a jumper
Terminal
Wire Color
R
R
c
R
h
W
W2 or Aux
Y
Y2
8
Y R RC
Terminals
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