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Connect Wires - Honeywell CT55N Owner's Manual

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English:
Page 1 •
Français:
Mount thermostat base
1 Drill holes at pencil-marked
locations (3/16" holes for
drywall, 7/32" holes for
plaster).
2 Use hammer to tap anchors
into holes until flush with
wall.
3 Pull wires through thermo-
stat base and insert screws.
Check level if desired, then
tighten screws.

Connect wires

1 Match each labeled wire
with same letter on terminal.
2 Use a screwdriver to loosen
screw terminals, insert bare
wires beneath screws, then
tighten screws.
3 Push any excess wire back
into the wall opening.
Labels don't match?
If labels do not match letters on
thermostat, see table below.
Existing wires
R
RH
4
V
Rc
O
B
G
F
W
W1
H
Y
Y1
M
C
X
B
Page 6 •
Español:
Connect to:
Terminal "R"
[1]
Terminal "Rc"
[1]
Terminal "O"
[2]
Terminal "B"
[2]
Terminal "G"
Terminal "W"
Terminal "Y"
Do not use
[3]
Página 11
[1]
If wires will be connected to both R and Rc
terminals, remove metal jumper.
[2]
Do not connect both O and B if you have a
heat pump. Connect only the O wire. Wrap
B wire with electrical tape and do not use.
[3]
Do not use C, X or B. Wrap bare end of
wire with electrical tape.
3

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Ct51nCt51 series