White Rodgers UNP300 Installation Instructions & User Manual page 6

2.2 Label and disconnect the wires (cont.)
2.2.2 Label each wire that comes
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
on page 9,
– label the wire according to the
3. Circle all your out-of-the-wall labeled wires in the
the table on page 9:
wall
C
Example
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:
✔ You see RC and RH terminals not jumped together and both
wired into the wall.
✔ Your old thermostat contains any wired terminals not listed in the
table on page 9.
out of the wall and attaches to
left column of the table
right column of the table.
right column
8
If the OLD thermostat's
terminal is wired into the wall
and identifi ed by this letter...
wall
wall
wall
of wall
wall
wall
wall
wall
wall
wall
wall
...Then label its wire with
this letter:
G
wall
G
R, 5, R5, RC or RH
wall
R
W, 4, W1
wall
W
W2, W-U
wall
W2
Y, Y1
wall
Y
Y2
wall
Y2
O
wall
O
6
wall
6
L, F
wall
L
X, C
wall
C
If terminal "O" is NOT wired.
B
If terminal "O" is wired.
9
wall
B
wall
C