Honeywell RTH221B Home 1 Week Programmable Thermostat

Owner’s Manual - Page 5

For RTH221B. Also, The document are for others Honeywell models: RTH2300, RTH221

PDF File Manual, 36 pages, Read Online | Download pdf file

RTH221B photo
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5
5 Mount Wallplate
Mount the new wallplate using the included screws and anchors.
Drill 3/16-in. holes for drywall
Drill 3/32-in. holes for plaster
6 Connect Wires
Simply match wire labels.
If labels do not match letters on the thermostat, check “Alternate Wiring” on
page 6 and connect to terminal as shown here (see notes, below).
Thermostat does not work on Heat Pumps with auxiliary/backup heat.
W/
Aux
Not
Used
M32714
Remove metal
jumper if you
have both
R and
Rc wires.
M32732
SCREW
INSERT WIRES
AND TIGHTEN
SCREWS
WIRE
HOLE
LABELED
WIRES
W
G
R
Not
Used
W
Y
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