
Current display. Underlined label
signifies the current display.
Mode control buttons. Use to change
settings for Fan or System Heat/Cool.
Menu. Select options to: set schedules,
view equipment status, change IAQ
settings, access installer options*, etc.
Current status. Shows system mode
(heat/cool), outdoor temperature and
humidity (with optional outdoor sensor).
Current schedule. Shows desired
temperature and schedule status.
Indoor conditions. Shows indoor
temperature and humidity.
Current Time.
Alert Light. On when alert
message is active or system is set to Em
Heat. Flashes for battery-only power; on
continuous for 24 VAC.
microSD Card Port. Use
card to load settings and dealer
information.
Reference to key features
* Password is the date code.
Getting started
Follow these basic steps to install this
thermostat, link it with the wireless
accessories, and set installer options.
1 Installing the thermostat
2 Powering optional RedLINK accessories
3 Performing initial setup
4 Finding your password (Date Code)
• To add or remove RedLINK accessories
• To make changes to Installer Setup
• To perform an Installer Test
1-800- 468-1502
Cus t o m er .Re s id e o
.co m
Manu factur ed by Resideo Technologies, Inc.,
1985 D ouglas Dr . N. Golden Val ley, MN 55 422
Country of origi n: Mexico
Pays d’origine : Mexiqu e
RoHS Complia nt
Conformité RoHS
TH8321R1001
4
2126
1-800-468-1502
Customer.Resideo
.com
Manufactured by Resideo Technologies, Inc.,
1985 Douglas Dr. N. Golden Valley, MN 55422
Count of origin: Mexicory
Pays d’origine : Mexique
RoHS Compliant
Conformité RoHS
TH8321R1001
4
2126
Thermostat (back view)
Password
(Date Code)