Honeywell RCHT8610WF T5 Plus Smart Thermostat Installation Guide
Read and save these instructions.
Tools you will need
Removing your old thermostat
1
Turn power OFF
To protect yourself and your
equipment, Turn off the power
at the breaker box or switch that
controls your heating/cooling
system.
ON
OFF
Smartphone
To install your
thermostat and
OFF
Phillips screwdriver
photograph existing
wiring.
Switch
Breaker box
Small flat head screwdriver
2
Check that your system is off
Change the temperature on
your old thermostat. If you don’t
hear the system turn on within 5
minutes, the power
Pencil
75
is off.
Level
Home Wi-Fi
Password
Resideo app
Note: If you have a digital thermo-
stat that has a blank display, skip
this step.
To configure your
system and connect to
your smartphone.
3
Remove your old thermostat from
the wall plate
You may need
On most thermostats, you can take
off the thermostat by grasping and
gently pulling. Some thermostats
may have screws, buttons, or
clasps.
Do not remove any wires from
your thermostat at this time!
Wire stripper
4
Make sure there are no
120/240V wires
Needle-nose pliers
Drill and
drill bit (7/32 in)
Do you have thick black wires
with wire nuts?
Is your thermostat 120V or
higher?
If you answered yes to either of
these questions, you have a line
voltage system and the thermostat
will not work.
CAUTION: ELECTRICAL HAZARD
Can cause electrical shock or equipment damage. Disconnect power before beginning
installation.
Wire nut
Thick black wire
CAUTION: EQUIPMENT DAMAGE HAZARD
If you are unsure visit:
honeywellhome.com/support
Compressor protection is bypassed during testing. To prevent equipment damage,
avoid cycling the compressor quickly.
5
Take a picture of how your wiring
looks right now
CAUTION: MERCURY NOTICE
If this product is replacing a control that contains mercury in a sealed tube, do not
place the old control in the trash. Contact your local waste management authority for
instructions regarding recycling and proper disposal.
Be sure to include the letters
next to the terminals where the
wires are inserted. This will be a
helpful reference when wiring your
thermostat.
REQUIRED: 24 VAC POWER (“C” WIRE)
C-Wire Power Adapter available to provide power if needed.
Tip: If the color of your wires has
faded or if 2 terminals have the
same wire color, use the wire
labels provided in the package to
label each wire.
Compatibility
•
Compatible with most heating, cooling, and heat pump systems.
•
Required: 24 VAC power (“C” wire). C-Wire Power Adapter (THP9045A)
can be used if Y and G are used but no C wire is available.
6
Remove any jumpers
A jumper connects one terminal to
another terminal. It may look like
a small staple or even a colored
wire and must be removed before
continuing. Use a screwdriver to
release wires from terminals.
Y
•
•
•
•
•
Does not work with electric baseboard heat (120-240V).
Does not work with millivolt systems.
Does not support input (S terminals) for indoor and outdoor sensors.
Does not support relay (U terminals) for ventilation.
Android or iOS smartphone, tablet, or device.
Terminals
Example of
a jumper
The thermostat does not
need jumpers.
For help, contact
WEB honeywellhome.com/support
PHONE 1-800-633-3991
SOCIAL Twitter: @Honeywell_Home, Facebook: Honeywell Home
2
| General | Details |
|---|---|
| Name | Honeywell RCHT8610WF T5 Plus Smart Thermostat Installation Guide |
| Make | Honeywell |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.66 MB |

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