Honeywell CT87N User Manual

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3 69-1919EFS—04
1. Match each labeled wire with same
letter on terminal.
2. Use a screwdriver to loosen screw
terminals, insert bare wire into slots,
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 Connect to:
R• RH•4• V Terminal “R” [1]
Rc Terminal “Rc”[1]
O Terminal “O” [2]
B Terminal “B” [2]
G•F Terminal “G”
W•W1•H Terminal “W”
Y •Y1•M Terminal “Y”
C•X •B Do not use [3]
1. Pull wires through wire hole.
Position coverplate on wall,
level and mark hole positions.
2. Drillholes(3/16”fordrywall,
7/32”forplaster)andtapin
supplied wall anchors.
3. Pullwirethroughcoverplate
and subbase, position over
anchors, then insert and
tighten mounting screws.
Check level if desired.
4. Apply the large-print labels to
the coverplate, matching the
labels on the subbase.
Wiring
[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.
[4] If you have two wires, connect wires to
R and W.
Coverplate
Subbase
Large-print
subbase switch
labels
Subbase and base installation

Honeywell CT87N Specifications

General

Type	Non-programmable Thermostat
Temperature Control Range	40°F to 90°F (4°C to 32°C)
Stages	1 Heat/1 Cool
Color	White
Display	Analog
Voltage	24VAC
Mounting	Wall
Power Source	Battery (2 x AA)