Wire Connections - Honeywell CT30 Owner's Manual

Owner's Manual
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 [Optional] Pull
wires through
cover plate (if
needed to cover
marks left by your
old thermostat).
4 Connect wires first
(see below), then
insert screws.
Check level if
desired, then
tighten screws.

Wire connections

1 Match each labeled wire
with same letter on terminal.
2 Use a screwdriver to loosen
screw terminals, wrap bare
wire securely around termi-
nals, 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
W • W1 • H
Y • Y1 • M
G • F
Rc
Optional cover plate
Connect to:
Terminal "R"
Terminal "W"
Stop! See note
Stop! See note
Stop! See note
If any of these wires are present, you
cannot use this thermostat with your
system. See page 2.
4
Thermostat base
Back of thermostat base