To Next PageTo Next PageWhy can't I set my Honeywell VISIONPRO TB8220U Thermostat to heat?
If you cannot set the system setting to Heat, it might be because the System Type (Installer Setup Number 0170) is set to Cool Only. Set the System Type (Installer Setup Number 0170) to match the installed heating and/or cooling equipment.
Why I cannot set my Honeywell VISIONPRO TB8220U to cool?
General| Brand | Honeywell |
|---|---|
| Model | VISIONPRO TB8220U |
| Category | Thermostat |
| Language | English |
Covers general installation steps, safety precautions, and location selection.
Warning about potential electrical shock and equipment damage.
Diagrams showing terminal assignments for conventional and heat pump systems.
Example wiring for a single transformer 1-Heat, 1-Cool system.
Example wiring for a dual transformer 1-Heat, 1-Cool system.
Wiring for a dual transformer system with multiple heating and cooling stages.
Wiring for a 1H/1C heat pump system without auxiliary heat.
Instructions for connecting the common wire for 24 Vac power.
Guide to setting the current date and time on the thermostat.
Instructions for testing heating, cooling, and fan functions.
Warning regarding potential equipment damage during system tests.
Setting up system type, economizer, reversing valve, and changeover.
Configuring remote sensors, heat pump compressor/auxiliary lockouts.
Performing tests to verify heating, cooling, and fan operation.
Setup for dual fuel heat pumps involving outdoor sensors and balance points.
Configuration for heat pumps with auxiliary heat and outdoor sensors.
Diagnosing why the heating or cooling system is not starting.
