Owner's Manual

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78 72 ° 72
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
Honeywell
Quick Start Guide
Wi-Fi Color Touchscreen
Programmab le Thermostat
RTH9585 Wi-Fi
/
You will also need:
View the installation video at You will need your camera
• Small screw driver
wifithermostat.comlsupport to take a picture of your old
wire connections.
• Pen
• Thermostat
10 card
• Your
home Wi-Fi
network password
(j) Install your thermostat
1.1 Switch OFF power to your
heating/cooling system
1.1a Important! To protect your
equipment, switch OFF the
power to your heating/
cooling system
at the
breaker box
or the system
switch.
1.1b Confirm power is OFF.
Try to tum on heating/
cooling equipment by
changing temperature
on your
old thermostat.
Your
power is OFF if your
system does not turn ON.
1.2 Remove old thermostat
faceplate and leave wires
connected
e 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
power source for your
thermostat. Without a C wire, your
thermostat
will not power up.
1.3 Label wires
Do oot 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,
DQ1 by wire
color.
Note: If no tag matches a terminal
designation, write the appropriate
letter on a blank sticky tag.
Note: Wrap the wires around a pencil
to prevent them from
falling
back into
the
wall.
1.4 Remove wall plate
Remove the old wallplate from
the
wall after all wires are
labeled and disconnected.
Circuit
breaker
box
Heating/cooling
system
power
switch
A ::: :;:;::::~~c~;:sfo~c:I~'J:;;,!!Ic ,
heat pump. oil, gas. and electric. It will not
work with millivolt
systems, such as a gas
fireplace, or with 1201240 volt systems such
es bes,.boerd electric heel.
Note: You will need a
picture
of your wire
connections to wire the
new thermostat.
~
~
designation
A If you have an older thermostat wi th a
A& sealed mercury tube, see warning page
for proper disposal instructions.
Sticky }ag
I
I
Blank tags
©~ ~ w ©
~r' o }'
relminal
designation
1.5 Moun1 wall plate for Wi-Fi
thermostat
Mount your new wallplate using
screws and anchors included
with the thermostat.
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.
1.6 Connect wires
Important! C wire is required and
is the
power source. Without a C wire,
your thermostat
will
not power up.
See the C Wire Addendum
document for more information.
I:J View _the Alternate Wiring videos
·- at wiflthermostat.com/videos
1.6a Starting with the C Wire, match
the sticky tag on the wire to the
terminal labels.
1 .6b Straighten wire and gently slide
into terminal hole until it clicks
into place.
(If
you need to
remove a wire, use a pen tip to
press the terminal release
and
then pull the wire out.)
Note: Refer to the wiring picture
you took in
Step 1.2.
Tip: To make it easier to slide the
wire into place,
use a pen tip to
hold down the terminal release.
1.6c
In the image
on the right, check
the box next to each connection.
You
will
use this checklist in
Step 1.9.
1.6d
Verify wire is firmly secured by
gently pulling on wire.
1.6e Repeat steps
a-d for all other
1.6f Push
any excess wire back into
the
wall
opening after
all wires
are installed.
Note: The L terminal on the lower
right is used only for Heat Pump
systems.
Note: If the old thermostat for Heat
Pump System has separate wires
on
Aux and E, use a wire nut to
attach both wires to a separate
wire. Slide this third wire into the
W2-Aux1E terminal.
1. 7 Attach thermostat
towallplate
Align the thermostat with
wallplate and snap into
place.
1.8 Switch heating/cooling
system ON
Important!
1.8a Verify that the C wire is
connected at the thermostat
and at the heating/cooling
system.
1.8b
Make sure the heating/
cooling system
door is
firmly secured.
1.8c Switch
power back ON for
your heating/cooling system
at the breaker box
or its
power switch.
Home and Building Technologies
In the U.S.:
Honeywell
1985 Douglas Drive North
Golden Valley, MN 55422-3992
wifithermostat.com
Wallplate
Thermostat
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Note: The wiring for your application
might be different than the wiring
shown below.
Terminal release
EXAMPLE WIRING
Yoursmaylookd1f!erent
Remove jumper loop ONLY if
you have
both R and Rc wires.
Labels don 't match or have
heat pump system?
See User Guide.
Important!
~ Check the box for each wire
(f you connect. You will need
' this information in
Step 1.9.
c D W-0/B
KD D v
Re D O G
R D 0 W2-Au'4E
Q Y2
O L
Labels don 't match or have
heat pump system?
See User Guide.
- ~
~
@
-:-:---
-\W- lEI r---
CJ
Circuit
breaker
box
Heating/cooling
system
power
switch
Turn over.,.
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33-00268-02
Honeywell