Honeywell T6 Pro Hydronic User Manual

T6 Pro Hydronic
Programmable Thermostat
User Guide
Package Includes:
• T6 Pro Hydronic Programmable
Thermostat
• Floor sensor (model AQ12C20)
• UWP™ Mounting System
• Honeywell Standard Installation
Adapter (J-box adapter)
• Honeywell Decorative Cover Plate –
Small; size 449/64 in x 449/64 in x
11/32 in (121 mm x 121 mm x 9 mm)
• Screws and anchors
• 2 AA Batteries
• Installation Instructions and User
Guide
Call Honeywell Customer Care toll-free at 18004681502.
Customer assistance
Thermostat controls
• System status
information
Heat On/Recovery
• Schedule information
Following time based
schedule
• Actual time
• Mode
Select system mode
Heat/Off
• Menu
Press to display options.
Start here to set a
program schedule
• Indoor temperature
setpoint
Press + or – to change
temperature setting
• Actual indoor
temperature
• Temperature/
Navigation buttons
Press to increase or
decrease temperature
setpoint and to
navigate menus and
menu options
The screen will wake up by pressing any of the five buttons. If powered by the C wire, the screen stays lit for 45 seconds
after you complete changes. If powered by battery only, the screen stays lit for 8 seconds. Depending on how your
thermostat was installed, the screen light may always be on.

Honeywell T6 Pro Hydronic Specifications

General

Humidity Control	No
Compatibility	Hydronic systems
Power Source	24 VAC
Programmability	7-day programmable
Stages	1 Heat / 1 Cool
Terminal Designations	R, W, C, Y, G
Display Type	LCD
Operating Modes	Heat, Cool, Auto, Off

Summary

Thermostat Controls Overview

System Status and Schedule Information

Displays current system status and schedule adherence.

Time and Mode Settings

Shows actual time and allows mode selection (Heat/Off).

Temperature Setpoint and Display

Indicates actual indoor temperature and adjustable setpoint.

Navigation and Menu Access

Buttons for adjusting temperature and accessing the menu.

Customer Assistance Information

Temperature Control Modes Explained

A Mode: Air Temperature Only

Controls and displays only the ambient air temperature.

F Mode: Floor Temperature Only

Controls and displays floor temperature via an external sensor.

AF Mode: Air and Floor Temperatures

Manages both ambient air and floor temperatures simultaneously.

System Operation Settings

System Modes: Heat and Off

Allows selection between heating operation and turning the system off.

Setting Time and Date

Configuring the Time

Steps to accurately set the current time on the thermostat.

Configuring the Date

Steps to accurately set the current date on the thermostat.

Programming Daily Schedules

Temporary Program Schedule Override

Permanent Program Schedule Override

Vacation Program Schedule Override

ECO (Economy) Mode Activation

Temperature Unit Settings

Keypad Lockout Adjustment

Adaptive Intelligent Recovery Feature

Battery Replacement Guidance

Alerts and Warnings

Low Battery Warning Indicator

Notifies users when the thermostat's batteries require replacement.

Managing Thermostat Alerts

Thermostat Troubleshooting Guide

Resolving Blank Display Issues

Steps to fix problems when the thermostat screen is blank.

Heating System Non-Response

Troubleshooting steps if the thermostat does not control the heating.

Temperature Setting Ineffectiveness

Solutions for when temperature changes do not affect the room.

Five-Year Limited Warranty Details