Quick Links
Quick Start Guide
Wi-Fi Touchscreen
Programmable
Thermostat
RTH8500WF Wi-Fi Series
Welcome
Getting set up and ready is simple.
1
Install your thermostat.
2
Connect your home Wi-Fi network.
3
Register online for remote access.
Before you begin
View the installation video at
Gather
• Small screw driver
wifithermostat.com/support
• Thermostat ID card
• Your home Wi-Fi
network password
1
Install your thermostat
1.1 Switch OFF power to your
heating/cooling system
1.1a
Important!
To protect your
equipment, switch OFF the
or
power to your heating/cooling
system at the breaker box or
the system switch.
1.1b Confirm power is OFF.
Circuit
Heating/cooling
Try to turn on heating/
M31535
breaker
system power
cooling equipment by
box
switch
changing temperature
on your old thermostat.
This thermostat works with common 24 volt
Your power is OFF if your
systems such as forced air, hydronic, heat
system does not turn ON.
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.
1.2 Remove old thermostat
faceplate and leave wires
If you have an older thermostat with a
connected
sealed mercury tube, see warning page
for proper disposal instructions.
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
C
on the old thermostat,
view the Alternate Wiring videos at
wifithermostat.com/videos
Important!
C wire is required and is the
MCR33823
primary power source for your thermostat.
Without a C wire, your thermostat will not
power up.
1.3 Label wires
Sticky
tag
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
Blank
designation, write the appropriate
sticky
letter on a blank sticky tag.
tag
1.4 Remove wallplate
Remove the old wallplate from
the wall after all wires are
Terminal
labeled and disconnected.
C
designation
MCR31537
Apple, iPhone, iPad, iPod touch and iTunes are
trademarks of Apple Inc. All other trademarks
are the property of their respective owners.
69-2717-05
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.
69-2717—05 M.S. Rev. 07-12
Printed in U.S.A.
1.5 Separate Wi-Fi thermostat
and its wallplate
On your new thermostat, grasp the
Finger holds
finger holds on the top and bottom of
the wallplate with one hand and the
Thermostat
thermostat (front) with the other
hand. Pull pieces apart.
Wallplate (back view)
M31538
1.6 Mount wallplate for Wi-Fi
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
HEAT PUMP
CONVENTIONAL
Note:
You may be able to use your
Y2
RC
RC
M31543
R
R
L
existing wall anchors. Hold the wallplate
E/AUX
W2
W
O/B
K
Y
Y
K
G
G
up to the existing anchors to check
C
C
for alignment.
MCR31539
1.7 Connect wires
only
Remove metal jumper
if you
have both R and RC wires
1.7a Starting with the C Wire, match the
sticky tag on the wire to the terminal
labels.
HEAT PUMP
Important!
C wire is required and is the
CONVENTIONAL
primary power source. Without a C wire,
RC
RC
Y2
your thermostat will not power up.
R
R
L
View the Alternate Wiring videos at
W
O/B
E/AUX
W2
wifithermostat.com/videos
K
Y
Y
K
G
G
1.7b Loosen screw, insert wire on inside
C
C
edge of terminal, then tighten screw.
1.7c Verify wire is firmly secured by gently
MCR31541A
pulling on wire.
Insert wires here
1.7d Repeat steps 1.7a–1.7c for all other wires.
Note:
The wiring for your
1.7e Push any excess wire back into the wall
application might be different
opening after all wires are installed.
than the wiring from above.
Labels don’t match or have heat pump system?
See User Guide.
1.8 Install battery
Insert the coin cell battery
(included), observing
the correct polarity.
Note:
A correctly inserted battery will
extend about halfway out of the battery
Thermostat interior
slot on the thermostat, allowing for
M31542
easier removal.
This battery maintains time and date
Wallplate
during power outages. It does not
power the thermostat (C wire
required).
HEAT PUMP
CONVENTIONAL
Y2
RC
RC
M31543
R
R
L
AUX
W2
W
O/B
/E
K
Y
Y
1.9 Attach thermostat
K
G
G
C
C
to wallplate
Align the thermostat onto
wallplate and snap into place.
Thermostat
1.10 Switch heating/cooling
system ON
Important!
1.10a Verify that the C
wire is connected at the
thermostat and at the
heating/cooling system.
1.10b Make sure the heating/cooling
or
system door is firmly secured.
1.10c Switch power back ON for
your heating/cooling system
at the breaker box or its
Circuit
Heating/cooling
power switch.
M31544
breaker
system power
box
switch
1.11 Set date and time
Touch
or
buttons to change
s
t
Day
displayed time and date.
Y ear, Month, Day(Top)
Press and hold a button to
Y ear, Month, Day(Top)
quickly change a setting.
Year
Month
Set Time
Set Time
Time
Turn over
Related Manuals for Honeywell RTH8500WF Wi-Fi Series
Summary of Contents for Honeywell RTH8500WF Wi-Fi Series
-
Page 1: Quick Start Guide
Automation and Control Solutions Honeywell International Inc. Month 1985 Douglas Drive North Set Time Set Time Time Golden Valley, MN 55422 wifithermostat.com ® U.S. Registered Trademark. © 2012 Honeywell International Inc. Turn over 69-2717—05 M.S. Rev. 07-12 Printed in U.S.A. - Page 2 • Laptop (recommended) and snap it back into place. • Smartphone • MAC CRC ® U.S. Registered Trademark. Return to 2.1 © 2012 Honeywell International Inc. 69-2723EFS—01 M.S. 04-12 69-2723EFS-01 View the Wi-Fi Enrollment video Printed in U.S.A. Note: These IDs are listed on the at wifithermostat.com/videos...