1. Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your Braeburn Model 5220 Low Voltage Programmable Thermostat. This thermostat is designed for use with most 24 Volt AC heating and cooling systems, including single-stage, multi-stage, and heat pump systems. It features a modern blue LCD display with touch button controls for easy programming and system management.
2. Safety Information
WARNING: Always turn off power to the heating and cooling system at the main fuse or circuit breaker panel before installing or servicing this thermostat. Failure to do so could result in electrical shock or equipment damage. Installation should be performed by a qualified technician if you are unsure about any steps.
- Ensure all wiring complies with local electrical codes and ordinances.
- Do not short out terminals on the gas valve or at the system control to test the thermostat. This will damage the thermostat and void the warranty.
- This thermostat is designed for low voltage (18-30VAC) applications only.
3. Package Contents
- Braeburn Model 5220 Thermostat
- Wall Plate
- Mounting Hardware (screws and wall anchors)
- Installation and Operation Manual (this document)
- 2 AA Alkaline Batteries
4. Installation
4.1. Mounting Location
Install the thermostat on an inside wall, approximately 5 feet (1.5m) above the floor. Avoid locations that are:
- Near windows or doors.
- Above or near heat-generating appliances.
- In direct sunlight or near heat sources.
- Near supply registers or return air ducts.
- In areas with poor air circulation.
4.2. Removing the Old Thermostat
- Turn off power to your heating and cooling system at the main fuse or circuit breaker.
- Remove the cover of your old thermostat.
- Take a picture of the existing wiring connections for reference. This is crucial for correct installation.
- Disconnect the wires one by one, labeling each wire with the terminal designation it was connected to.
- Remove the old thermostat's mounting plate.
4.3. Wiring the Thermostat
Mount the new wall plate using the provided screws and anchors. Connect the wires to the corresponding terminals on the new thermostat's wall plate. Refer to the terminal designations below and your reference photo.
| Terminal | Description |
|---|---|
| RC | Cooling Transformer Power |
| RH | Heating Transformer Power |
| W2 | Second Stage Heat (Conventional) |
| W1/E/W3 | First Stage Heat (Conventional) / Emergency Heat / Third Stage Heat (Heat Pump) |
| C | Common Wire (24VAC) |
| L | Fault Indicator (Heat Pump) |
| Y1 | First Stage Cooling (Conventional) / Compressor (Heat Pump) |
| O/B/V3 | Reversing Valve (Heat Pump) / Third Stage Cooling (Conventional) |
| G | Fan Relay |
| S2 | Remote Sensor Input |
| S1 | Remote Sensor Input |
After wiring, gently push any excess wire back into the wall opening. Attach the thermostat body to the wall plate.
4.4. Battery Installation
Insert the two AA alkaline batteries into the battery compartment, observing the correct polarity (+/-). The thermostat will power on and display initial settings.
Turn on power to your heating and cooling system at the main fuse or circuit breaker.
5. Operation
5.1. Thermostat Overview
This image displays the Braeburn Model 5220 thermostat. It features a white casing with a prominent blue backlit LCD screen. The screen shows a room temperature of 70 degrees Fahrenheit, a set temperature of 70 degrees, and the time as 12:00 PM. The system is set to 'HEAT ON' and the fan is on 'AUTO'. Below the screen are several control buttons: SYSTEM, DAY/TIME, PROG, HOLD, RETURN, and FAN. A vertical pair of up/down arrow buttons is located on the right side of the unit.
The Braeburn Model 5220 features a clear blue backlit LCD display and intuitive touch buttons for control. The display shows the current room temperature, the set temperature, the current time and day, and the active system and fan modes.
5.2. Setting Current Time and Day
- Press the DAY/TIME button. The time display will flash.
- Use the UP or DOWN arrow buttons to adjust the time.
- Press DAY/TIME again to advance to setting the day.
- Use the UP or DOWN arrow buttons to select the current day.
- Press RETURN to save and exit.
5.3. System Mode Selection
Press the SYSTEM button to cycle through the available modes:
- OFF: Turns the heating and cooling system off.
- HEAT: The thermostat will control the heating system.
- COOL: The thermostat will control the cooling system.
- AUTO: The thermostat automatically switches between heating and cooling as needed to maintain the set temperature range.
5.4. Fan Mode Selection
Press the FAN button to cycle through the available modes:
- AUTO: The fan runs only when the heating or cooling system is actively operating.
- ON: The fan runs continuously, regardless of whether the heating or cooling system is active.
5.5. Adjusting Temperature
Use the UP or DOWN arrow buttons on the right side of the thermostat to adjust the desired set temperature. The new set temperature will flash and then become active.
5.6. Programming Schedules
The Braeburn 5220 offers flexible programming options: 7-day, 5-2 day, 5-1-1 day, or non-programmable. It supports up to 4 temperature settings per day (Wake, Leave, Return, Sleep). Refer to the detailed programming instructions in the full manual for specific steps on setting up your desired schedule.
- Press the PROG button to enter programming mode.
- Use the UP or DOWN arrows and DAY/TIME or PROG buttons to navigate and adjust program times and temperatures.
- Press RETURN to save and exit programming.
5.7. Hold Function
The HOLD button allows you to temporarily or permanently override the programmed schedule. Press HOLD once to temporarily hold the current temperature until the next program period. Press HOLD again to permanently hold the temperature until you press RETURN to cancel the hold.
6. Maintenance
6.1. Battery Replacement
Replace the two AA alkaline batteries annually, or when the low battery indicator appears on the display. To replace, remove the thermostat from its wall plate, replace the batteries, and reattach the thermostat.
6.2. Cleaning
Clean the thermostat's exterior with a soft, damp cloth. Do not use abrasive cleaners or solvents.
7. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Display is blank | No power or dead batteries. | Check circuit breaker. Replace batteries. Ensure C-wire is connected if applicable. |
| Heating/Cooling system not responding | Incorrect wiring, system mode, or power issue. | Verify wiring connections. Check system mode (HEAT/COOL/AUTO). Ensure power is on. |
| Temperature reading seems inaccurate | Thermostat location or internal sensor issue. | Ensure thermostat is not in direct sunlight or near heat sources. If problem persists, contact support. |
| Thermostat does not follow program schedule | Hold function active or incorrect programming. | Press RETURN to cancel any active hold. Review and re-program your schedule. |
For further assistance, refer to the complete Braeburn 5220 installation guide or contact Braeburn customer support.
8. Specifications
- Model: Braeburn 5220
- Voltage: 18-30 VAC
- Stages Heat: Up to 3
- Stages Cool: Up to 2
- Programming: 7-day, 5-2 day, 5-1-1 day, or Non-programmable
- Temperature Settings per Day: 4, 2, 1, or 0
- System Switching: Auto-Heat-Cool
- Fan Switching: Auto-On
- Display Type: Blue Backlit LCD
- Display Size: 5 sq. in.
- Keypad Lockout: Yes
- Programmable Fan: Yes
- Automatic Changeover: Yes
- Power Source: 2 AA Alkaline Batteries (included) or 24VAC Common Wire
- Mounting Type: Wall Mount
- Dimensions: Approximately 6.25 x 5 x 2 inches (Package Dimensions)
9. Warranty and Support
For warranty information and technical support, please contact Braeburn Systems LLC directly. Refer to the product packaging or the official Braeburn website for current contact details and warranty terms.
Manufacturer: BRAEBURN
UPC: 833732003229
