How do I enter the Setup menu for my T5 7-Day Programmable Thermostat?

  • Press and hold MENU and + buttons for approximately 5 seconds to enter advanced menu.
  • Press SELECT to enter system setup (ISU) menu.
  • Press SELECT to cycle through ISU numbers. NOTE: See "System Setup Options" on page 9 of the quick install guide for a full list of ISU numbers and options.
  • Press + or - to change values or select from available options.
  • Press SELECT to save changes and advance to the next ISU number.
  • Once you have cycled through all of the ISU numbers, "Done" is displayed. Press SELECT to save and exit. To save and exit early, press HOME to return to the Home screen.
Last updated: July 06, 2018
Was this article helpful?



Tweet Us

Follow us for the latest news on Honeywell Home.
7 AM – 7 PM CST,
7 days a week.

Live Chat

Live Chat

8 AM to 10 PM CST,
7 days a week.

Send Mail

Email Us

Don’t need urgent assistance? We’ll get back to you within 48 hours.

Call Us

Call Us

Experts are ready to help Monday to Sunday.