Honeywell Home Pro Series Thermostat
Thermostats · 21 Q&As

Honeywell Home Pro Series Thermostat

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— answers from the official manual

Answers from the official manual.

Common questions

Common Questions

21 total
1

What is included in the Honeywell Home Pro Series Thermostat package?

The package includes the T6 Pro Thermostat, UWP Mounting System, Honeywell Standard Installation Adapter (J-box adapter), Decorative Cover Plate, screws and anchors, 2 AA Batteries, and Installation Instructions and User Guide. All components are provided to facilitate easy installation and setup of your thermostat.

2

How do I install the Honeywell Home Pro Series Thermostat with the UWP mounting system?

First, turn off power at the breaker box, then position and level the UWP on the wall, marking and drilling holes as needed. Insert wall anchors, open the UWP door, pass wires through the wiring hole, and mount the UWP securely by tightening the mounting screws. Close the door, attach the thermostat by aligning it with the UWP and pushing gently until it snaps in place, then restore power at the breaker box.

3

What are the temperature range settings for the Honeywell T6 Pro thermostat?

The heating temperature range is 40°F to 90°F (4.5°C to 32°C), and the cooling temperature range is 50°F to 99°F (10°C to 37°C). These ranges ensure optimal performance for both heating and cooling system operations.

4

What does the R Slider Tab do and how do I use it?

The R Slider Tab differentiates between one or two transformer systems. Position it up if you have one R wire connected to R, Rc, or RH terminal (single transformer), or position it down if you have two R wires—one connected to R terminal and one to Rc terminal (dual transformer).

5

How do I access the Installer Setup (ISU) menu on the Honeywell Pro Series thermostat?

Press and hold the CENTER and + buttons for approximately 3 seconds to enter the Advanced Menu, then press Select to access the Installer Setup. Use Select to cycle through menu options, + or – to adjust settings, and press Home to save and return to the home screen.

6

What does the 'Lo Batt' error message mean and how do I fix it?

The 'Lo Batt' message indicates that the battery level is low and needs replacement. Replace the 2 AA batteries in the thermostat to restore normal operation.

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