Honeywell RTH6500WF Wi-Fi Programmable Thermostat User Guide
Installing your thermostat
6
Mount wallplate for thermostat.
Mount your new wallplate using screws and
anchors included with the thermostat.
Wallplate
If necessary:
Drill 3/16-in holes for drywall.
Drill 7/32-in holes for plaster.
Note: You may be able to use your existing wall
anchors. Hold the wallplate up to the existing
anchors to check for alignment
MCR33857
Important! The thermostat requires a C wire to operate. The C, or common, wire
brings 24 VAC power to the thermostat. Many older mechanical or battery operated
thermostats do not require a C wire. If you don’t have a C wire, try:
• Looking for an unused wire that is pushed into the wall. Connect that wire to C and
check that it is connected to the 24 VAC common at your heating/cooling system.
Note: Not all heating/cooling systems label the 24 VAC common C. Check your system
manual or contact the manufacturer to find out which terminal is the 24 VAC common.
View the Alternate Wiring videos at honeywellhome.com/wifi-thermostat
Wiring
For conventional heating/cooling systems (natural gas, oil or electric furnace, air
conditioner), see page 5. See “Glossary” on page 23 for further definition.
For a heat pump system, see page 7. See “Glossary” on page 23 for further
definition.
Wiring (conventional system)
Remove metal jumper
only if you have both R
and RC wires
7A Wire the thermostat to your conventional system.
a
Starting with the C Wire, match the sticky tag on
the wire to the terminal labels.
You must have a C wire.
b
Loosen screw, insert wire on inside edge
of terminal, then tighten screw.
G
W
C
K
Y2
W2
Y
R
RC
CONVENTIONAL
c
Verify wire is firmly secured by gently
pulling on wire.
d
e
Repeat steps a–c for all other wires.
K
L AUX/E G O/B C
Y
R
RC
HEAT PUMP
Push any excess wire back into the wall
opening after all wires are installed.
Note: The wiring for your
application might be
different from the shown
above.
f
Continue to page 8.
Labels don’t match? See alternate
wiring key on pages 6.
5
69-2715EF—07
| General | Details |
|---|---|
| Name | Honeywell RTH6500WF Wi-Fi Programmable Thermostat User Guide |
| Make | Honeywell |
| Language | English |
| Filetype | PDF (Download) |
| File size | 1.05 MB |

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