Y2
W2
K
RC
R
W
Y
G
C
RC
R
O/B
Y
G
C
R
W
G
C
Y
HEAT PUMP
CONVENTIONAL
L
E
AUX
K
MCR35007
Y2
Install your thermostat.
Setup your thermostat
Connect thermostat to the Z-Wave network.
1
2
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.
Automation and Control Solutions
Honeywell International Inc.
1985 Douglas Drive North
Golden Valley, MN 55422
yourhome.honeywell.com
® U.S. Registered Trademark.
© 2013 Honeywell International Inc.
33-00012—01 M.S. 10-13
Printed in U.S.A.
C
C
MCR31537
M31545
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.
M31538
Finger holds
Wallplate (back view)
Thermostat
1.5 Separate Z-Wave 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.
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 turn on heating/cooling
equipment by changing
temperature on your old
thermostat. Your power is
OFF if your system does not
turn ON.
Install your thermostat
Turn over
Welcome
Getting set up and ready is simple.
1
or
M31535
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, call 1-800-468-
1502 for wiring assistance.
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
Wallplate
1.6 Mount wallplate for Z-Wave
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.
M31543
Y2
W2
K
RC
R
W
Y
G
C
RC
R
O/B
Y
G
C
HEAT PUMP
CONVENTIONAL
L
E/AUX
K
R
Y
C
W
G
MCR31539
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.
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
than the wiring from 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
Insert wires here
1.8 Remove battery tab
The thermostat is shipped from the
factory with the coin cell installed. To
keep the battery from discharging during
shipment and storage, the thermostat is
shipped with a plastic tab inserted in the
battery holder. Simply pull the plastic tab
out of the battery tray. Make sure that
the battery tray is fully inserted into the
thermostat.
1.9 Attach thermostat to wallplate
Align the thermostat onto wallplate and
snap into place.
Circuit
breaker
box
Circuit
breaker
box
Heating/cooling
system power
switch
Heating/cooling
system power
switch
Thermostat
Wallplate
M31543
Y2
W2
K
RC
R
W
Y
G
C
RC
R
O/B
Y
G
C
HEAT PUMP
CONVENTIONAL
L
AUX
/E
K
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 system door is firmly
secured.
1.10c Switch power back ON for
your heating/cooling system
at the breaker box or its
power switch.
or
M31544
1.11 Set date and time
1.11a Touch
s
or
t
buttons to
change displayed time and date.
1.11b Press and hold an arrow to
quickly change a setting.
1.11c Press
DONE
to save changes.
Day
Time
Month
Year
Sticky
tag
Quick Start Guide
Touchscreen
Thermostat
RTH8580ZW
Before you
begin
Gather
• Small screw driver
• Drill (if needed)
Need Help?
For assistance with this product please
visit
http://yourhome.honeywell.com
or call Honeywell Customer Care toll-
free at
1-800-468-1502.
Remove tab.
3
33-00012-01