Owner’s Manual
4
Wire connections
1Match each labeled wire
with same letter on terminal.
2Use a screwdriver to loosen
screw terminals, wrap bare
wire securely around termi-
nals, then tighten screws.
3Push any excess wire back
into the wall opening.

Labels don’t match?

If labels do not match letters on
thermostat, see table below.
Mount thermostat base
1Drill holes at pencil-marked locations (3/16” holes for drywall, 7/32” holes for plaster).
2Use 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).
4Connect wires first
(see below), then
insert screws.
Check level if
desired, then
tighten screws.
Thermostat base
Optional cover plate
Back of thermostat base

Existing wires Connect to:

RRH 4VTerminal “R
WW1 HTerminal “W
YY1 M Stop! See note
GF Stop! See note
Rc Stop! See note
If any of these wires are present, you
cannot use this thermostat with your
system. See page 2.