Honeywell TH6220U2000 T6 Pro Instruction Manual

Manual Honeywell TH6220U2000 T6 Pro Instruction Manual

Honeywell TH6220U2000 T6 Pro Instruction Manual

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Honeywell TH6220U2000 T6 Pro

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Honeywell TH6220U2000 T6 Pro

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Honeywell TH6220U2000 Instructions

Here we offer the Honeywell TH6220U2000 T6 Pro manual completely free and in English. We have cataloged this manual in the Thermostats section on Manualverse, and it has been rated by 1 users with an average rating of 5. If you have any specific questions about Honeywell TH6220U2000 T6 Pro, we suggest checking the Frequently Asked Questions (FAQs) section of this manual.


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Honeywell TH6220U2000 T6 Pro Specifications

Category Specification
Heat Temperature Range 40 °F to 90 °F (4.5 °C to 32.0 °C)
Cool Temperature Range 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 (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 Rating (W Heating) 20-30 Vac, 0.02-1.0 A
Electrical Rating (W2 (Aux) Heating) 20-30 Vac, 0.02-1.0 A
Electrical Rating (E Emergency Heat) 20-30 Vac, 0.02-0.5 A
Electrical Rating (Y Compressor Stage 1) 20-30 Vac, 0.02-1.0 A
Electrical Rating (Y2 Compressor Stage 2) 20-30 Vac, 0.02-1.0 A
Electrical Rating (G Fan) 20-30 Vac, 0.02-0.5 A
Electrical Rating (O/B Changeover) 20-30 Vac, 0.02-0.5 A
Electrical Rating (L/A Input) 20-30 Vac, 0.02-0.5 A

Honeywell TH6220U2000 T6 Pro Details

The Honeywell TH6220U2000 T6 Pro boasts an intuitive display that wakes upon any button press. For C-wire powered units, the screen stays lit for 45 seconds after changes; otherwise, it lasts 8 seconds, balancing visibility with battery efficiency. Navigation and settings adjustments are handled easily via dedicated Mode, Menu, Fan, and temperature (+/-) buttons.

Operating modes are versatile, including Auto, Heat, Cool, Em Heat, and Off, accommodating various HVAC systems. Fan control offers Auto (fan runs with heating/cooling), On (continuous operation), or Circulate (intermittent fan for 33% of the time), providing flexible airflow options for user comfort.

Setting the time and date is straightforward through the Menu. Users can choose 12-hour or 24-hour formats and precisely adjust hours, minutes, year, month, and day. This accurate clock is essential for the thermostat's time-sensitive features, ensuring programmed schedules execute correctly and maintain desired comfort levels.

The T6 Pro features a default 5-1-1 programmable schedule with four daily periods: Wake, Away, Home, and Sleep. Users can customize heating and cooling setpoints for each. This capability optimizes energy usage by adapting temperatures to occupancy patterns, contributing to both comfort and significant energy savings throughout the week.

For immediate control, the thermostat offers Temporary Hold, overriding the schedule until the next period, and Permanent Hold for indefinite changes. An optional Keypad Lockout (configurable via installer setup) allows Partial (temperature changes only) or Full restriction, protected by a 4-digit password, preventing unauthorized alterations.

A key intelligent feature is Adaptive Intelligent Recovery (AIR). The system "learns" how long it takes to reach desired temperatures. It then initiates heating or cooling earlier, ensuring your home achieves the programmed setpoint precisely at the start of scheduled periods like Wake or Home, enhancing overall daily comfort effortlessly.

To protect equipment, Built-in Compressor Protection enforces a mandatory delay before restarting the compressor after shutdown, preventing damage from rapid cycling. During this safeguard period, the display flashes "Cool On" or "Heat On," ensuring the longevity and reliable operation of your HVAC system without user intervention.

The thermostat can use AC power with optional battery backup, or solely AA alkaline batteries. "BATT" icon alerts signal low battery two months prior to depletion, prompting replacement. Additionally, Air Filter Reminders are provided, which users can snooze for seven days or clear via the Menu after performing maintenance, promoting system health.

Frequently Asked Questions (FAQs)

Can't find the answer you need? Here are some frequently asked questions about the Honeywell TH6220U2000 T6 Pro, and we answer them below.


My thermostat display is blank. What should I do?
First, check your circuit breaker and reset it if necessary. Ensure the power switch for your heating/cooling system is on and the furnace door is securely closed. If powered by batteries, confirm that fresh AA alkaline batteries are correctly installed.

My heating or cooling system is not responding to the thermostat. How can I fix this?
Ensure the thermostat's system mode is correctly set (e.g., Heat mode if heating, Cool mode if cooling). Verify your desired temperature is set appropriately (higher than room temp for heating, lower for cooling). Check the circuit breaker, power switch, and furnace door. Finally, wait at least 5 minutes for the system to respond due to built-in delays.

Why can't I change the temperature settings beyond certain limits?
The Honeywell T6 Pro has pre-defined acceptable temperature ranges. For heating, the range is 40 °F to 90 °F (4.5 °C to 32.0 °C). For cooling, it's 50 °F to 99 °F (10.0 °C to 37.0 °C). Settings outside these ranges will not be accepted.

The message 'Cool On' or 'Heat On' is flashing on my screen. What does this mean?
This indicates that the thermostat's Compressor Protection feature is engaged. To prevent damage, the compressor is forced to wait a few minutes before restarting. The message will stop flashing, and the system will turn on once the safe wait time has elapsed.

How do I set the time and date on my thermostat?
Press the Menu button, then navigate to TIME or DATE using the up/down arrows and press Select. Follow the on-screen prompts to adjust the hour, minutes, year, month, and day, pressing Select after each adjustment.

How do I change the system or fan operation mode?
To change the system mode (e.g., Heat, Cool, Auto), press the Mode button repeatedly until the desired mode is displayed. For fan operation (Auto, On, Circulate), press the Fan button until your preferred setting appears.

Can I temporarily or permanently override my program schedule?
Yes. To temporarily override, simply press the up or down arrows to adjust the temperature. The new setpoint will hold until the next scheduled period. To set a permanent hold, adjust the temperature, and while "TEMPORARY HOLD" flashes, press the Hold button. To cancel either, press the up or down arrows, then Cancel.

What is Adaptive Intelligent Recovery?
Adaptive Intelligent Recovery (AIR) is a feature that learns how long it takes your heating or cooling system to reach a desired temperature. It then activates the system earlier than scheduled to ensure your home reaches your setpoint precisely by the start of your programmed time period.

When should I replace the batteries in my thermostat?
The low battery icon (BATT) will appear approximately two months before the batteries are fully depleted. It is recommended to replace them immediately with fresh AA alkaline batteries when this warning appears, or at least once a year, especially before extended absences.

How do I clear an Air Filter Reminder?
When the alert icon appears, press Menu, then navigate to ALRT and press Select. The message REPL (REPLACE AIR FILTER) will be displayed. You can press Select to SNZE (snooze) the reminder for 7 days, or press Select again and use the arrow to select CLER (clear), then Select to clear it. Resideo recommends changing the filter before clearing.

What if my Aux heat runs in cooling mode or cool runs with a call for heat (Heat Pump systems)?
For heat pump systems, verify that there is no wire attached to the W terminal on the UWP mounting system. Incorrect wiring can cause these issues; refer to the "Wiring heat pump systems" section in your installation guide for proper terminal connections.

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