Honeywell T8611 User Manual

Programmable Heut Pump Thermostat
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Your new programmable heat pump thermostat is a precision instrument:that’s quality-built to
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while still maintaining the standard,Cf comWyo,u want in your home.
This Owner’s Guide will show you how to get the,most benefit from your new thermostat.

Honeywell T8611 Specifications

General

Brand	Honeywell
Model	T8611
Category	Thermostat
Language	English

Summary

Programming Your Thermostat: A Four-Step Guide

Step 1: Set Current Time and Day

Instructions for setting the current time and day on the thermostat.

Step 2: Set Heating Schedule and Temperatures

Guide to programming the heating schedule and temperature settings.

Step 3: Set Cooling Temperatures

Instructions for setting cooling temperatures for the programmed schedule.

Step 4: Set System and Fan Switches

Guide to configuring the system and fan operating modes.

Programming Your Thermostat: Day and Time Setup

Setting the Current Day and Time

Detailed steps for setting the current day and time accurately.

Programming the Weekday WAKE Period

Setting the initial WAKE time and temperature for weekdays.

Programming Your Thermostat: Weekday Schedule Details

Adjusting Temperature Settings

Using WARMER/COOLER keys to adjust temperature settings.

Programming the LEAVE Period

Setting the LEAVE period for energy savings while away.

Programming Your Thermostat: Weekday Schedule Continuation

Programming the RETURN Period

Setting the RETURN period for evening comfort.

Programming the SLEEP Period

Setting the SLEEP period for overnight energy savings.

Programming Your Thermostat: Weekend Schedules

Setting the Saturday Schedule

Setting the Sunday Schedule

Programming Your Thermostat: Cooling Temperature Setup

Setting Cooling Temperatures

Instructions for setting the WAKE cooling temperature for weekdays.

Understanding Cooling Temperature Limits

Programming Your Thermostat: Weekend Cooling Setup

Setting LEAVE Cooling Temperature

Setting RETURN Cooling Temperature

Setting SLEEP Cooling Temperature

Setting Weekend Cooling Schedules

Programming Your Thermostat: Activating the Program

Setting Sunday Cooling Schedule

Starting the Program Execution

Programming Your Thermostat: System and Fan Configuration

Setting the Fan Switch

Setting the System Switch

Operating Your Thermostat: Temporary Program Adjustments

Skipping to Next Program Period

Returning to Previous Program Period

Temporary Temperature Adjustment

Canceling Temporary Settings

Operating Your Thermostat: Permanent Changes and Manual Hold

Permanently Modifying Program Settings

Updating program settings without altering other parts of the schedule.

Manual Hold for Extended Absences

Operating Your Thermostat: Program Management and Review

Canceling Specific Program Periods

Reviewing Programmed Settings

Operating Your Thermostat: Checking Temperature Settings

Verifying Current Temperature Setting

Troubleshooting Common Thermostat Issues

Display and Programming Errors

Resolving issues with display not coming on or flashing during programming.

Program and Time-Related Problems

Addressing lost programs, power outages, and incorrect time changes.

Heating and Cooling System Malfunctions

Troubleshooting for when heating or cooling systems do not operate.

Building Temperature Irregularities

Diagnosing and resolving issues with the building being too warm or too cool.

Battery Replacement Alerts