Honeywell Home ProSeries Thermostat Manual: Installation & Programming

The Honeywell Home ProSeries Thermostat is a high-tech device that offers advanced features to make your home more comfortable and energy-efficient. The Honeywell Pro Series Thermostat Manual provides detailed instructions for installation and programming of the T6 Pro model. The package includes the thermostat, UWP mounting system, Honeywell standard installation adapter, decorative cover plate, screws and anchors, and 2 AA batteries. The manual also includes instructions for optional cover plate installation and UWP mounting system installation. The wiring terminal designations are provided for conventional systems, heat-only systems, heat-only systems with fan, cool- only systems, and heat pump systems. The thermostat mounting instructions are also provided to ensure proper installation. The manual also includes information on system operation settings, fan operation settings, installer setup (ISU), advanced setup options (ISU), and system test. The default security code for the Honeywell Pro Series thermostat is 1234. The Honeywell Pro Series Thermostat Manual is an essential guide for anyone looking to install or program the T6 Pro model.

Honeywell Pro Series Thermostat

Honeywell Pro Series Thermostat
Model : T6 Pro

Other Honeywell Pro Thermostat Manuals:

• T4 Pro
• T6 Pro
• RTH5160 Non-Programmable Thermostat
• WiFi Touchscreen Thermostat Installation Manual
• WiFi Color Touchscreen Thermostat
• VisionPRO WiFi Thermostat

Package Includes

• T6 Pro Thermostat
• 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 x11/32 in (121 mm x 121 mm x 9 mm)
• Screws and anchors
• 2 AA Batteries
• Installation Instructions and User Guide

Optional Cover Plate installation

NOTE: If Optional Cover Plate is not required, see “UWP Mounting System installation” on next page.

Use the Optional Cover Plate when:

• Mounting the thermostat to an electrical junction box
• Or when you need to cover paint gap from old thermostat.

1. Separate the Junction Box Adapter from the Cover Plate. See Figure 1.

2. Mount the Junction Box Adapter to the wall or an electrical box using any of the eight screw holes. Insert and tighten mounting screws supplied with Cover Plate Kit. Do not overtighten. See Figure 2. Make sure the Adapter Plate is level.

3. Attach the UWP by hanging it on the top hook of the Junction Box Adapter and then snapping the bottom of the UWP in place. See Figure 3.

4. Snap the Cover Plate onto the Junction Box Adapter. See Figure 4. UWP Mounting System installation

5. Before starting, turn the power off at the breaker box or switch. Open package to find the UWP. See Figure 5.

6. Position the UWP on wall. Level and mark hole positions. See Figure 6. Drill holes at marked positions, and then lightly tap supplied wall anchors into the wall using a hammer.
   Drill 7/32” holes for drywall.

7. Pull the door open and insert the wires through wiring hole of the UWP. See Figure 7.

8. Place the UWP over the wall anchors. Insert and tighten mounting screws supplied with the UWP. Do not overtighten. Tighten until the UWP no longer moves. Close the door. See Figure 8.

Power options

Insert R and C wires into designated terminals for primary AC power (C terminal is optional if batteries are installed, but it is recommended). Remove wires by depressing the terminal tabs.

Insert AA batteries for primary or backup power.

Setting Slider Tabs

Set R Slider Tab

• Use built-in jumper (R Slider Tab) to differentiate between one or two transformer systems.
• If there is only one R wire, and it is connected to the R, Rc, or RH terminal, set the slider to the up position (1 wire).
• If there is one wire connected to the R terminal and one wire connected to the Rc terminal, set the slider to the down position (2 wires).

NOTE: Slider Tabs for U terminals should be left in place for T6 Pro models.

Wiring terminal designations

Note: Not all terminals may be used, depending on the system type that is being wired. The most commonly used terminals are shaded.

• Terminal can be jumped using Slider Tab. See “Setting Slider Tabs” above.
• The THP9045A1023 Wire Saver Module is used on heat/cool systems when you only have four wires at the thermostat, and you need a fifth wire for a common wire. Use the K terminal in place of the Y and G terminals on conventional or heat pump systems to provide control of the fan and the compressor through a single wire—the unused wire then becomes your common wire. See THP9045 instructions for more information.

Wiring conventional systems: forced air and hydronics
Shaded areas below apply only to TH6320U/TH6220U or as otherwise noted.

• 1H/1C System (1 transformer)
• R Power [1]
• Rc [R+Rc joined by Slider Tab] [2]
• Y Compressor contactor
• C 24VAC common [3]
• W Heat relay
• G Fan relay

Heat-only System

• R Power [1]
• Rc [R+Rc joined by Slider Tab] [2]
• C 24VAC common [3]
• W Heat relay

Heat-only System (Series 20) [5]

• R Series 20 valve terminal “R” [1]
• Rc [R+Rc joined by Slider Tab] [2]
• Y Series 20 valve terminal “W”
• C 24VAC common [3]
• W Series 20 valve terminal “B”

Heat-only System (power open zone valve) [5]

• R Power [1]
• Rc [R+Rc joined by Slider Tab] [2]
• W Valve
• C 24VAC common [3]

1H/1C System (2 transformers)

• R Power (heating transformer) [1]
• Rc Power (cooling transformer) [1]
• Y Compressor contactor
• C 24VAC common [3, 4]
• W Heat relay
• G Fan relay

Heat-only System with Fan

• R Power [1]
• Rc [R+Rc joined by Slider Tab] [2]
• C 24VAC common [3]
• W Heat relay
• G Fan relay

Cool-only System

• R Power [1]
• Rc [R+Rc joined by Slider Tab] [2]
• Y Compressor contactor
• C 24VAC common [3]
• G Fan relay

2H/2C System (1 transformer) [6]

• R Power [1]
• Rc [R+Rc joined by Slider Tab] [2]
• Y Compressor contactor (stage 1)
• C 24VAC common [3]
• W Heat relay (stage 1)
• G Fan relay
• W2 Heat relay (stage 2)
• Y2 Compressor contactor (stage 2)

NOTES

Wire specifications: Use 18- to 22-gauge thermostat wire. Shielded cable is not required.

1. Power supply. Provide disconnect means and overload protection as required.
2. Move R-Slider Tab on UWP to the R setting. For more information, see “Setting Slider Tabs” on page 3
3. Optional 24VAC common connection.
4. Common connection must come from cooling transformer.
5. In ISU set Heat system type to Radiant Heat. Set number of cool stages to 0.
6. In Installer Setup, set system type to 2Heat/2Cool Conventional

Wiring heat pump systems
Shaded areas below apply only to TH6320U/TH6220U or as otherwise noted.

• 1H/1C Heat Pump System
• R Power [1]
• Rc [R+Rc joined by Slider Tab] [2]
• Y Compressor contactor
• C 24VAC common [3]
• O/B Changeover valve [7]
• G Fan relay

2H/1C Heat Pump System [8]

• R Power [1]
• Rc [R+Rc joined by Slider Tab] [2]
• Y Compressor contactor
• C 24VAC common [3]
• O/B Changeover valve [7]
• G Fan relay
• Aux Auxiliary heat
• E Emergency heat relay
• L Heat pump fault input

2H/2C Heat Pump System [9]

• R Power [1]
• Rc [R+Rc joined by Slider Tab] [2]
• Y Compressor contactor (stage 1)
• C 24VAC common [3]
• O/B Changeover valve [7]
• G Fan relay
• Y2 Compressor contactor (stage 2)
• L Heat pump fault input

3H/2C Heat Pump System (TH6320U only) [10]

• R Power [1]
• Rc [R+Rc joined by Slider Tab] [2]
• Y Compressor contactor (stage 1)
• C 24VAC common [3]
• O/B Changeover valve [7]
• G Fan relay
• Aux Auxiliary heat
• E Emergency heat relay
• Y2 Compressor contactor (stage 2)
• L Heat pump fault input

Dual Fuel System

• R Power [1]
• Rc [R+Rc joined by Slider Tab] [2]
• Y Compressor contactor (stage 1)
• C 24VAC common [3]
• O/B Changeover valve [7]
• G Fan relay
• Aux Auxiliary heat
• E Emergency heat relay
• Y2 Compressor contactor (stage 2 – if needed)
• L Heat pump fault input
• S Outdoor sensor
• S Outdoor sensor

NOTES
Wire specifications: Use 18- to 22-gauge thermostat wire. Shielded cable is not required.

1. Power supply. Provide disconnect means and overload protection as required.
2. Move R-Slider Tab on UWP to the R setting. For more information, see “Setting Slider Tabs” on page 3
3. Optional 24VAC common connection.
4. In Installer Setup, set system type to 2Heat/2Cool Conventional.
5. In Installer Setup, set changeover valve to O (for cool changeover) or B (for heat changeover).
6. In ISU set Heat system type to Heat pump. 1 compressor and 1 stage of backup heat.
7. In ISU set Heat system type to Heat pump. 2 compressors and 0 stage of backup heat.
8. In ISU set Heat system type to Heat pump. 2 compressors and 1 stage of backup heat.

Thermostat mounting

1. Push excess wire back into the wall opening.
2. Close the UWP door. It should remain closed without bulging.
3. Align the UWP with the thermostat, and push gently until the thermostat snaps in place.
4. Turn the power on at the breaker box or switch.

System operation settings

1. Press the Mode button to cycle to the next available System mode.
2. Cycle through the modes until the required System mode is displayed and leave it to activate.

NOTE: Available System modes vary by model and system settings.

System modes:

• Auto
• Heat
• Cool
• Em Heat
• Off

Fan operation settings

1. Press the Fan button to cycle to the next available Fan mode.
2. Cycle through the modes until the required Fan mode is displayed and leave it to activate.

NOTE: Available Fan modes vary with system settings.

Fan modes:

• Auto : Fan runs only when the heating or cooling system is on.
• On : Fan is always on.
• Circ : Fan runs randomly about 33% of the time.

Installer setup (ISU)

1. Press and hold CENTER and + buttons for approximately 3 seconds to enter advanced menu.
2. Press Select to enter ISU.
3. Press Select to cycle through menu setup options.
4. Press + or – to change values or select from available options.
5. Press Select and confirm your settings or press Back to ignore changes and return to ISU menu screen to continue editing another setup option.
6. To finish setup process and save your setting, press Home and return to Home screen.

NOTE: A complete list of all setup (ISU) parameters and options starts below and continues through page 10.

Advanced setup options (ISU)

NOTE: Depending on system settings, not all options may be available.

Installer system test

To perform a System Test:

1. Press and hold CENTER and + buttons for approximately 3 seconds to enter advanced menu.
2. Use + to go to TEST. Press Select to enter System Test.
3. Use + to change between Heat, Cool, Fan, Em Heat, or Ver (thermostat version information). Press Select.
4. Press + to turn stages on one at a time, and press – to turn them off.
5. Use the Home button to exit the System Test.

System test System status
Shaded areas below apply only to TH6320U/TH6220U or as otherwise noted.

Default security code

The default security code for the Honeywell Pro Series thermostat is 1234

Heat

0 All Off
1 Heat Stage 1 on
2 Heat Stage 2 also on
3 Heat Stage 3 also on

Cool
0 All Off
1 Cool Stage 1 on
2 Cool Stage 2 also on

Em Heat
0 All Off
1 Em Heat on

Fan
0 Fan Off
1 Fan On

Specifications

Temperature Ranges
Heat: 40 °F to 90 °F (4.5 °C to 32.0 °C)
Cool: 50 °F to 99 °F (10.0 °C to 37.0 °C)

Working Ambient Temperature
32 °F to 120 °F (0 C° to 48.9 °C)

Operating Ambient Temperature
37 °F to 102 °F (2.8 °C to 38.9 °C)

Shipping Temperature
-20 °F to 120 °F (-28.9 °C to 48.9 °C)

Operating Relative Humidity
5% to 90% (non-condensing)

Physical Dimensions in inches (mm) (H x W x D)
4-1/16” H x 4-1/16” W x 1-5/32” D
103.5 mm H x 103.5 mm W x 29 mm D

Electrical Ratings

CAUTION: ELECTRICAL HAZARD
Can cause electrical shock or equipment damage. Disconnect power before
beginning installation.

CAUTION: EQUIPMENT DAMAGE HAZARD
Compressor protection is bypassed during testing. To prevent equipment damage, avoid cycling the compressor quickly.

CAUTION: MERCURY NOTICE
If this product is replacing a control that contains mercury in a sealed tube, do not place the old control in the trash. Contact your local waste management authority for instructions regarding recycling and proper disposal.

Pull to remove the thermostat from the UWP

Customer assistance

For assistance with this product, please visit customer.honeywell.com
Or call Honeywell Customer Care toll-free at
1-800-468-1502.

Automation and Control Solutions
Honeywell International Inc.
1985 Douglas Drive North
Golden Valley, MN 55422
customer.honeywell.com
® U.S. Registered Trademark.
© 2016 Honeywell International Inc.
33-00181EFS—01 M.S. 06-16
Printed in U.S.A.
Printed in U.S.A.

SPECIFICATION

Installation Adapter (J-box adapter), Honeywell Decorative Cover Plate –Small; size 4-49/64 in x 4-49/64 in x11/32 in (121 mm x 121 mm x 9 mm), Screws and anchors, 2 AA Batteries, Installation Instructions and User Guide
Optional Accessories| Cover Plate
Wiring Terminal Designations| Conventional systems, Heat-only systems, Heat- only systems with fan, Cool-only systems, and Heat pump systems
Power Options| Primary AC power or AA batteries for primary or backup power
System Operation Settings| Auto, Heat, Cool, Em Heat, Off
Fan Operation Settings| Auto, On, Circ
Installer Setup (ISU)| Advanced setup options for system type, changeover valve, and heat system type
Advanced Setup Options (ISU)| Heat system type, number of cool stages, and radiant heat system type
Installer System Test| Heat
Default Security Code| 1234

FAQS

Does it switch from heat to cool automatically?

Yes, but “System Changeover” in the ISU menu must be changed from the default value of 0 (“Manual”) to 1 (“Automatic”), then “Auto” can be selected as one of the operating modes using the “Mode” button.

Does this work with 24 voltage ?

Yes, it’s a low-voltage (24 VAC) thermostat, compatible with the vast majority of forced air HVAC systems.

Can you program Thermostat +2 or – 2 degrees before unit cycles?

No goes by cycles per hour you program in , This is a smart stat, adjusts itself to maintain that 3 degree swing. Gas or Oil 3-5 times a hour is good, heat pump 5-7 times a hour

can I control the thermostat from my phone?

no. need a wifi stat for that. But is a good thermostat.

Does it work with Alexa ?

This thermostat does not have a wifi connection it will not work with Alexa, phone, or any device. It must be programmed on the thermostat itself by pushing buttons although it is digital. It’s a very nice thermostat and works great.

Why is it blowing cold air when we bring the temperature lower than the room temperature on the heat mode? we expected it to turn off

A couple of possible and easy to address reasons. First, you may have the fan set to “circulate”, which means the thermostat turns the furnace blower on periodically to circulate air throughout the home. If so, set the fan to “auto” on the front of the thermostat. Second possible reason, you may have an separate air circulation system hooked to the furnace fan to circulate and introduce fresh air into the home. This system is common in newer, sealed, homes built in past 15 or so years. If so, check to see what the programmed schedule for this separate device (typically mounted to the exterior of the furnace) is set to operate and adjust if desired.

How wide is this unit?

I had to use touch up paint because the thermostat is smaller than the previous one and I had painted the room after moving in my home.

Is this thermostat dual fuel

If by dual fuel you mean one source for heat and a different source for A/C, then yes. I have gas heat and electric air on two separate units and have this thermostat controlling both units.

can I schedule the thermostat to turn off at 5 am?

2-programs per day or 4-programs per day, or no programs per day adjustable for 5-1-1, or 5-2days, as far as off and on, can not do that just to the lowest, or highest temp.

what is the difference in the t4, t5, or t6 thermostats?

T4 is a basic stat that works on batteries or 24vac, it is no programmable good for milli volt fireplaces, or furnaces. T5 does not have emergency heat for heat pumps, t6 has programming capability select able requires 24 vac from furnace. still has batteries just to maintain setback programs

Is this item returnable?

Absolutely YES. Everything is returnable. — If dealing with a shady company, then you may have to pay the return shipping and file a claim with your credit card company, to have your money refunded, but credit cards are a CONSUMER PROTECTION device, so that’s why we use them 🙂

Is it hard to program

Sometimes annoying. To change one time, cycle or temp program, you have to go through too many program changes. For instance you have to go through separate ac, and heat programs for each step. Temporary or locked permanent temperature changes however are easy.

What is the wifi version of this model?

t6 lyric

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

The package includes the thermostat, UWP mounting system, Honeywell standard installation adapter, decorative cover plate, screws and anchors, and 2 AA batteries.

What are the wiring terminal designations provided for?

The wiring terminal designations are provided for conventional systems, heat- only systems, heat-only systems with fan, cool-only systems, and heat pump systems.

What is the default security code for the Honeywell Pro Series thermostat?

The default security code for the Honeywell Pro Series thermostat is 1234.

What is the purpose of the Optional Cover Plate?

The Optional Cover Plate is used when mounting the thermostat to an electrical junction box or when you need to cover paint gap from old thermostat.

How do you install the UWP Mounting System?

Before starting, turn the power off at the breaker box or switch. Position the UWP on the What is the purpose of the Installer system test?wall. Level and mark hole positions. Drill holes at marked positions, and then lightly tap supplied wall anchors into the wall using a hammer. Pull the door open and insert the wires through the wiring hole of the UWP. Place the UWP over the wall anchors. Insert and tighten mounting screws supplied with the UWP. Do not over-tighten. Tighten until the UWP no longer moves. Close the door.

What are the available System modes for the thermostat?

The available System modes for the thermostat are Auto, Heat, Cool, Em Heat, and Off.

What are the available Fan modes for the thermostat?

The available Fan modes for the thermostat are Auto, On, and Circ.

How do you enter the advanced menu for Installer setup (ISU)?

Press and hold the CENTER and + buttons for approximately 3 seconds to enter the advanced menu.

What is the purpose of the Installer system test?

The Installer system test is used to test the heating and cooling systems to ensure they are working properly.

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