3
RCHT8600 Series
5 Take a picture of how your wiring
looks right now.
Be sure to include the letters
next to the terminals where the
wires are inserted. This will be a
helpful reference when wiring your
thermostat.
Tip: If the color of your wires has
faded or if 2 terminals have the
same wire color, use the wire labels
provided in the package to label
each wire.
6 Record if you have wires in the following terminals.
Do not include jumpers as a part of your count. The thermostat does not
need jumpers.
Terminal Wire Color
R
R
h
Rc
7 Write down the color of the wires.
Check mark the wires that are connected to terminals. Next to the check mark,
write down the color of the wire. Do not include jumpers as a part of your
count.
Check all that apply (Not all will apply):
Terminal Wire Color
Y
Y2
G
C
Terminal Wire Color
A or L/A
O/B
W2 or AUX
E
W
K
The RCHT8600 thermostat does not support U terminals.
If there are wires in terminals that are not listed, you will need additional
wiring support. Visit yourhome.honeywell.com/support to find out if the
thermostat will work for you.
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