Honeywell RTH9580 Wi-Fi Color Touchscreen Programmable Thermostat User Guide
1.2 Remove old thermostat
faceplate and leave wires
connected
Note: You will need a
picture of your wire
connections to wire the
new thermostat.
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
C
Important! C wire is required
and is the power source for your
thermostat. Without a C wire, your
thermostat will not power up.
Terminal
designation
M33823A
If you have an older thermostat with a
sealed mercury tube, see warning page
for proper disposal instructions.
4
| General | Details |
|---|---|
| Name | Honeywell RTH9580 Wi-Fi Color Touchscreen Programmable Thermostat User Guide |
| Make | Honeywell |
| Language | English |
| Filetype | PDF (Download) |
| File size | 0.34 MB |

Honeywell T6 Pro Programmable Thermostat User Manual

Honeywell D1-528 Direct Thermostat Installation Guide

Honeywell FocusPRO P200 Programmable Thermostat User Guide

Honeywell RCHT8610WF Series Smart Thermostat Installation Guide

Honeywell T9 Smart Thermostat Installation Guide

Honeywell TH2320WF4011 FocusPRO Smart S200 Series Thermostat User Guide

Honeywell TL116A Thermostat Installation Guide

T10 Pro Smart Thermostat with Redlink Room Sensor

Honeywell TH6320WF2003 Lyric T6 Pro Wi-Fi Programmable Thermostat User Guide

Honeywell Smart Color Touchscreen Programmable Thermostat RTH9590 User Manual

































