Honeywell T9 User Manual

6
10
Do you have a CWire?
Look at the thermostat wiring
checklist from Step 8, or the photo
you took. Is the CTerminal checked?
This means you will not need
to install the included CWire
Adapter. Skip to Installing Your
New Thermostat (page 9).
This means you don’t have
a C-wire connected to your
thermostat. Continue to next
step.
Compatibility Check
YES
NO
9
8
Disconnect the wires and remove
the old wall plate
You may need a screwdriver to
release wires from terminals.
Tip: Wrap the wires around a pencil
to prevent them from falling in the
wall.
Write down the colors of the wires
Check the boxes and write down the color of the wires connected to terminals
that are coming from the wall. Check all that apply (not all will apply).
Terminal Wire Color Terminal Wire Color
¨
A or L/A
¨
R
¨
C Required*
¨
Rc
¨
E
¨
Rh
¨
G
¨
W
¨
K
¨
W2 or Aux
¨
O/B
¨
Y
¨
U (1 or 2)
¨
Y2
*A C-wire or CWire Power Adapter (included) is required.
If there are wires in terminals that are not listed, you will need additional
wiring support. Visit honeywellhome.com/support to find out more.
C
C
U
GY
GY
A

Honeywell T9 Specifications

General

Model	T9
Brand	Honeywell
Type	Smart Thermostat
Connectivity	Wi-Fi
Display	Touchscreen
Sensors	Temperature, Humidity, Proximity
Energy Saving	ENERGY STAR certified
App Control	Honeywell Home App
Warranty	3-year limited warranty
Compatibility	Amazon Alexa, Google Assistant
Features	Geofencing, Smart Alerts
Zones Supported	Multiple zones with additional sensors
Power Source	C-Wire (Required), Battery Backup
Compatibility with HVAC systems	Most 24V heating and cooling systems: forced air, heat pump, gas, electric