Automation and Control Solutions
Honeywell International Inc.
1985 Douglas Drive North
Golden Valley, MN 55422
wifithermostat.com
® U.S. Registered Trademark.
© 2012 Honeywell International Inc.
69-2720—01 M.S. 08-12
Printed in U.S.A.
Apple, iPhone, iPad, iPod touch and iTunes are
trademarks of Apple Inc. All other trademarks
are the property of their respective owners.
M33856
PULL HERE
TO REMOVE
PULL HERE
TO REMOVE
Finger holds
Wallplate (back view)
Thermostat
1.5 Separate Wi-Fi thermostat
and its wallplate
On your new thermostat, grasp the
finger holds on the top and bottom of
the wallplate with one hand and the
thermostat (front) with the other
hand. Pull pieces apart.
Quick Start Guide
Wi-Fi Programmable
Thermostat
RTH6500WF Wi-Fi Series
Install your thermostat
1
69-2720-01
Wallplate
1.6 Mount wallplate for Wi-Fi
thermostat
Mount your new wallplate using screws
and anchors included with the
thermostat.
If necessary:
• Drill3/16-inholesfordrywall
• Drill7/32-inholesforplaster
Note: You may be able to use your
existing wall anchors. Hold the wallplate
up to the existing anchors to check
for alignment.
MCR33857
W2
G W
YR RCK
Y2
C
MCR33878
Y
HEAT PUMP
CONVENTIONAL
AUX/E
G O/B
YRRCK
L
C
C
G
W
R
1.8 Install quick reference card
Fold quick reference card along score
lines, and slide it into the slot on the
back of the thermostat.
1.9 Attach thermostat to
wallplate
Align the thermostat onto
wallplate and snap into place.
Back of thermostat
Quick
reference
card
MCR33858
MCR33916
M33860
HOLD
Install your thermostat.
Connect your home Wi-Fi network.
Register online for remote access.
Before you begin
1
2
3
Welcome
Getting set up and ready is simple.
View the installation video at
wifithermostat.com/support
Gather
• Smallscrewdriver
• ThermostatIDcard
• YourhomeWi-Fi
network password
This thermostat works with common 24
volt systems such as forced air, hydronic,
heat pump, oil, gas, and electric. It will not
work with millivolt systems, such as a gas
fireplace, or with 120/240 volt systems such
as baseboard electric heat.
1.1 Switch OFF power to your
heating/cooling system
1.1a Important! To protect your
equipment, switch OFF the
powertoyourheating/cooling
system at the breaker box or
the system switch.
1.1b Confirm power is OFF.
Trytoturnonheating/
cooling equipment by
changing temperature
on your old thermostat.
Your power is OFF if your
system does not turn ON.
or
M31535
Circuit
breaker
box
Heating/cooling
system power
switch
If you have an older thermostat with a
sealed mercury tube, see warning page
for proper disposal instructions.
1.2 Remove old thermostat
faceplate and leave wires
connected
1.2a Take a picture of the
wire connections for
later reference.
1.2b If no wire is connected
to a terminal labeled C
or no C terminal exists
on the old thermostat, view
the Alternate Wiring videos at
wifithermostat.com/videos
Important! C wire is required and is the
primary power source for your thermostat.
Without a C wire, your thermostat will not
power up.
C
C
MCR33823
C
C
MCR31537
Blank
sticky
tag
Terminal
designation
1.3 Label wires
Do not label by wire color.
Use the supplied sticky tags to label
each wire as you disconnect it. Label
wires according to old thermostat
terminal designations, not by wire
color.
Note: If no tag matches a terminal
designation, write the appropriate
letter on a blank sticky tag.
1.4 Remove wallplate
Remove the old wallplate from
the wall after all wires are
labeled and disconnected.
Sticky
tag
1.7 Connect wires
1.7a Starting with the C Wire, match the
sticky tag on the wire to the terminal
labels.
Important! C wire is required and is the
primary power source. Without a C wire,
your thermostat will not power up.
View the Alternate Wiring videos at
wifithermostat.com/videos
1.7b Loosen screw, insert wire on inside
edge of terminal, then tighten screw.
1.7c Verify wire is firmly secured by gently
pulling on wire.
1.7d Repeat steps 1.7a–1.7c for all other wires.
1.7e 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 wiring shown above.
Labels don’t match or have heat pump system?
See User Guide.
Remove metal jumper only if you
have both R and RC wires
Circuit
breaker
box
Heating/cooling
system power
switch
1.10 Switch heating/cooling
system ON
Important!
1.10a Verify that the C
wire is connected at the
thermostat and at the
heating/coolingsystem.
1.10b Makesuretheheating/cooling
system door is firmly secured.
1.10c Switch power back ON for
yourheating/coolingsystem
at the breaker box or its
power switch.
or
M31544
1.11 Set date and time
1.11a Press s or t to set clock.
1.11b Press Set Day.
1.11c Press s or t to select the day
of week.
1.11d Press Done to save.
(Press and hold a st button to
quickly change a setting.)
MCR33908
HOLD
MCR33909
HOLD
Turn over
69-2720_A.indd 1 8/3/2012 3:43:52 PM
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