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To program your thermostat:
To reset your thermostat to factory default settings:
To connect your thermostat to a Wi-Fi network:
To set the temperature on your thermostat:
If your thermostat is not heating:
If your thermostat is not connecting to Wi-Fi, it could be due to one of the following reasons:
If your thermostat is not cooling:
If your thermostat screen is blank:
If you are experiencing Wi-Fi connection issues with your thermostat, consider the following troubleshooting steps:
Your thermostat might not be changing temperature for several reasons:
If your thermostat is not turning on (screen is blank):
If your thermostat is connected to Wi-Fi but cannot establish an internet connection (appears offline):
To install your thermostat:
If your thermostat is not reading the temperature correctly, the displayed temperature on the Home screen may not match the temperature near the thermostat. This can happen if your system uses indoor sensors and the thermostat is reading a sensor in a different location. The thermostat also has an "Indoor Temperature Offset" setting which can cause the displayed temperature to be higher or lower than the actual measured temperature.
You can optimize energy savings with your thermostat by:
To set your thermostat to heat mode:
You can lock your thermostat to prevent unauthorized changes to system settings:
To access advanced settings (Installer Options) on your thermostat:
Your thermostat may not go below a certain temperature due to its configured limits:
To clear all settings and return your thermostat to factory default settings:
To set a security code (password) on your thermostat:
Your thermostat does not have a physical reset button. To reset it to factory default settings, you need to access the Installer Options menu:
To enable or disable the key lock feature on your thermostat:
Your thermostat displays "Wait" because the compressor protection timer is active. This feature keeps the compressor off for a few minutes before restarting to prevent equipment damage. You should wait approximately 5 minutes for the system to restart safely.
The different system modes on your thermostat mean:
The indoor and outdoor temperature sensors on your thermostat are calibrated at the factory and cannot be recalibrated in the field. However, an installer can adjust the displayed indoor temperature using the "Indoor Temperature Offset" setting (ISU 1402) to display a temperature up to 3°F lower or higher than the actual measured temperature.
Your thermostat might seem like it won't turn off if certain installer settings are configured to keep the equipment running until the setpoint is met. For example, the "Finish With High Cool Stage" or "Finish With High Heat Stage" features can keep the high stage of your cooling or heating equipment running until the desired setpoint is reached.
The Honeywell VisionPRO 8000 thermostat supports:
To use auto mode on your thermostat:
The Honeywell VisionPRO 8000 thermostat is designed for:
Yes, the Honeywell VisionPRO 8000 thermostat has humidity control capabilities. It features an on-board humidity sensor and can control humidification and dehumidification. The humidification setting range is 10% to 60% RH, and the dehumidification setting range is 40% to 80% RH.
"Temporary Hold]" mode on your thermostat allows you to temporarily set a new temperature that will be maintained until a specified "Hold Until" time expires. Once this time is reached, the thermostat will automatically resume its programmed schedule.
Your thermostat uses auxiliary heat (also referred to as backup heat) in the following situations:
Installer Setup on your thermostat is a menu that allows a trained, experienced service technician to configure various system settings one by one. These settings include options for application type (residential or commercial), thermostat type (programmable or non-programmable), heating system, and many other advanced parameters to tailor the thermostat to your HVAC system and preferences.
To clean the screen of your thermostat:
Need help?
Do you have a question about the VisionPRO 8000 and is the answer not in the manual?
Questions and answers
Activate aux heat at temp
To activate auxiliary heat on the Honeywell VisionPRO 8000 at a specific temperature, follow these steps:
1. If you have an optional outdoor sensor, set option 350 to the desired outdoor temperature at which the system switches from heat pump to gas.
2. Ensure the thermostat settings are configured correctly:
- Option 170 = 7
- Option 200 = 1
- Option 210 = 1 (if using an external fossil fuel kit) or 0 (if using the outdoor sensor for backup heat control).
3. The thermostat will automatically turn on auxiliary heat when needed, indicated by "Aux Heat On" on the display.
This setup ensures that auxiliary heat activates based on the system’s programmed temperature thresholds.
This answer is automatically generated
What out door temperature does aux temp come on
The Honeywell 8000 auxiliary heat will come on at the outdoor temperature you set in the "Backup Heat Lockout" setting. To make auxiliary heat come on only when the outdoor temperature is 20°F or below, set the Backup Heat Lockout to 20°F and leave the Heat Pump Lockout off.
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Aux heat setting by te
To set the auxiliary heat on the Honeywell VisionPRO 8000:
1. Touch the System button until Emergency Heat appears.
2. Ensure that the thermostat model supports auxiliary heat (TH8320 or TH8321).
3. Verify the following settings:
- Option 170 = 7
- Option 200 = 1
- Option 210 = 1 (if using an external fossil fuel kit) or 210 = 0 (if using an optional outdoor sensor for backup heat control).
4. If you have an optional outdoor sensor, set Option 350 to adjust the outdoor temperature at which the system switches from heat pump to gas.
When auxiliary heat is activated, the thermostat will display "Aux Heat On."
This answer is automatically generated
What outdoor temperature does aux heat come on
The Honeywell VisionPRO 8000 allows the auxiliary heat to be locked out at temperatures between 40 to 60 degrees Fahrenheit when using an outdoor sensor. However, with certain setups, the auxiliary heat may not turn on until the temperature drops below 15 degrees Fahrenheit.
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