Brand: Braeburn
Category: Thermostat
Manual Type:
Language:
Manual for 2020NC - Troubleshooting and error codes + PDF Download
Uploaded: April 8, 2025, 1:49 p.m.
Manual Publish Date: 2018-01-01
Warranty Summary
This Braeburn thermostat is backed by a 5 year limited warranty when installed by a professional contractor.
System Mode: Select COOL, OFF, or HEAT using the SYSTEM switch to control cooling, heating, or turn off the system.
Fan Mode: Choose AUTO (fan runs only when heating/cooling) or ON (fan runs continuously) using the FAN switch for fan operation.
Temperature Adjustment: Utilize the â–² or V buttons to adjust and set the desired room temperature.
Program Mode: Press PROG to enter programming mode and set schedules for different days and times to automate temperature settings.
Hold Mode: Activate HOLD to temporarily override the programmed schedule and maintain a constant temperature.
Troubleshooting and error codes
| Terminal | Function | Description |
|---|---|---|
| Rc | Input | 24 Volt AC Cooling Transformer (Dual Transformer Systems Only) |
| Rh | Input | Power Connection (24 Volt AC Heating Transformer or Millivolt Power Source) |
| 0 | Output | Reversing Valve (Cool Active) |
| B | Output | Reversing Valve (Heat Active) |
| Y1 | Output | Compressor Relay |
| G | Output | Fan Control |
| W1 | Output | Conventional Heat Relay |
| C | Input | 24 Volt AC Transformer Common |
Troubleshooting and error codes
| Terminal | Function | Description |
|---|---|---|
| Rc | Input | 24 Volt AC Cooling Transformer (Dual Transformer Systems Only) |
| Rh | Input | Power Connection (24 Volt AC Heating Transformer or Millivolt Power Source) |
| 0 | Output | Reversing Valve (Cool Active) |
| B | Output | Reversing Valve (Heat Active) |
| Y1 | Output | Compressor Relay |
| G | Output | Fan Control |
| W1 | Output | Conventional Heat Relay |
| C | Input | 24 Volt AC Transformer Common |