Braeburn 3000 Series Single Stage Digital Thermostat
This manual provides instructions for the installation, operation, and troubleshooting of the Braeburn 3000 Series Single Stage Digital Thermostat. It is compatible with low voltage single stage gas, oil, or electric heating or cooling systems, including single stage heat pumps. It can also be used on 250 mv to 750 mv millivolt heating only systems. Do not use this thermostat on applications with voltages above 30 Volts AC.
Important Safety Information: Always turn off power to the HVAC system before installation, removal, cleaning, or servicing. Read this manual thoroughly before installation, programming, or operation. This thermostat requires two (2) "AA" alkaline batteries for power. The system must have 24 Volt AC power for proper operation. Wiring must conform to all applicable building codes. Do not short terminals on the gas valve or control board. Do not select COOL mode if the outside temperature is below 50°F (10°C) to avoid system damage.
Model 3000 Premier Series Non-Programmable Single Stage Heat/Cool Digital Thermostat
This thermostat comes with a 2-year limited warranty.
Features
- Contemporary styling with large LCD display
- Battery powered (2 AA alkaline batteries included)
- Relay output for maximum compatibility
- LCD display backlight
- Easy access front battery door
- Compressor short cycle protection
- Adjustable temperature differential
- Low battery indication
- Quick wiring terminal block
- High temperature safety switch
- Low temperature "Freeze" protection
Specifications
- Electrical Rating: 24 Volt AC (18-30 Volt AC) 1 amp maximum load per terminal, 2 amp total maximum load (all terminals)
- Control Range: 45°-90°F (7°-32°C)
- Accuracy: +/- 1°F (+/- 0.5°C)
- DC Power: 3.0 Volt DC (2 AA Alkaline batteries included)
- Compatibility: Low voltage single stage gas, oil, or electric heating/cooling systems, including single stage heat pumps. Also compatible with 250 mv to 750 mv millivolt heating only systems.
- Terminations: Rc, Rh, G, W, Y, B, O
Installation
Replacing Existing Thermostat
- Turn off power to the HVAC system.
- Remove the cover of the old thermostat.
- Label wires before removal using masking tape and the provided terminal chart.
- Remove the existing thermostat mounting base from the wall, securing wires to prevent them from slipping back into the wall.
| Old Terminal | New Terminal | Terminal Description |
|---|---|---|
| V or Rc | Rc | Cooling Transformer |
| M, 4, Rh, or R | Rh | Heating Transformer |
| G or F | G | Fan Control |
| H, W or 4 | W | Heating Control |
| Y | Y | Cooling Control |
| B | B | Reversing Valve (Heating) |
| 0 | 0 | Reversing Valve (Cooling) |
| C | None-Cap the wire | 24 Volt AC, Transformer Common |
Installing Your New Thermostat
- Turn off power to the HVAC system.
- Place the system switch on the front of the thermostat to the OFF position.
- Place the fan control switch on the front of the thermostat to the AUTO position.
- Separate the front and rear body of the thermostat by pressing the release latch at the bottom.
- Position the thermostat rear body (mounting plate) against the wall.
- Guide thermostat wires through the center hole of the rear body.
- Mark and drill mounting holes (use a 3/16" drill bit).
- Gently tap supplied plastic anchors into the holes.
- Fasten the rear body to the wall using supplied screws, ensuring wires are properly inserted.
- Connect wires to the quick wiring terminal block according to the new terminal designations. Refer to the Wiring Diagram section if needed. Ensure connections are secure and not shorting.
- Locate and set the internal fan option switch (HG for Gas/Oil, HE for Electric) on the circuit board. This switch controls the heating system fan delay.
- Locate and set the internal NORM NON-HP / HP switch on the circuit board to configure for normal or heat pump systems.
- Attach the front body of the thermostat to the rear body, aligning terminal pins with the terminal block.
- Open the front thermostat door and battery compartment.
- Install two new "AA" alkaline batteries, matching positive (+) ends to positive (+) terminals.
- Close the battery compartment.
- Restore system power to test the installation. If batteries were installed before setting internal switches, press the RESET button.
Testing Your New Thermostat
Read BEFORE Testing: Do not short terminals. Do not select COOL mode below 50°F (10°C). The thermostat has a 5-minute compressor protection delay.
- Place the system switch in the HEAT position. Press the UP arrow (^) until the setpoint is 3 degrees higher than the room temperature. The heating system should start.
- Place the system switch in the OFF position. The heating system should stop. For heat pumps, wait 5 minutes or press RESET for testing.
- Place the system switch in the COOL position. Press the DOWN arrow (v) until the setpoint is 3 degrees lower than the room temperature. The cooling system should start.
- Place the system switch in the OFF position. The cooling system should stop.
- Place the fan switch in the ON position. The system blower should start.
- Place the fan switch in the AUTO position. The system blower should stop.
Programming User Settings
Default Thermostat Settings
| Function | Status After Reset |
|---|---|
| Operation Mode | Normal Operating Mode |
| Room Temperature | 70°F (21.0°C), to be renewed within 5 seconds |
| Setpoint Temperature | According to system switch: 62°F (17.0°C) for Heat or Off, 85°F (29.0°C) for Cool |
| Temperature Scale | °F or °C dependent on switch setting |
| Low Battery Warning | Off, to be renewed within 5 seconds |
| Temperature Differential | 1°F (0.5°C) |
| Short Cycle Protection Timer | Reset |
| Output Relays | Off |
Setting Temperature Differential
The default setting is 1°F (0.5°C). To adjust:
- In normal operating mode, press and hold both the UP (^) and DOWN (v) buttons simultaneously for 4 seconds. The LCD will display "SET D1 x", where "x" is the current differential setting.
- Press the UP (^) or DOWN (v) buttons to set the desired differential: 1°, 2°, or 3°F (0.5°, 1.0°, or 1.5°C).
- Wait 10 seconds, or press both UP (^) and DOWN (v) buttons again to return to normal operating mode.
Note: Pressing the RESET button will erase all user program settings.
Additional Operation Features
Review Set Temperature
Press and hold the UP (^) or DOWN (v) button. The current setpoint temperature will be displayed with the "SET TEMP" indicator. Releasing the buttons returns the display to the current room temperature.
Changing Set Temperature
- Press and hold both the UP (^) and DOWN (v) buttons simultaneously for 3 seconds. The display will flash, and "SET TEMP" will flash.
- Release and press the UP (^) or DOWN (v) button to adjust the set temperature.
- Wait 10 seconds, or press both UP (^) and DOWN (v) buttons simultaneously to return to normal operating mode.
High Temperature Safety Switch
In HEAT mode, the thermostat will turn off if the room temperature exceeds 99°F (37°C) mechanically, or 93°F (34°C) via software.
Low Temperature "Freeze" Protection
In HEAT mode (non-heat pump systems), the thermostat will initiate heating if the room temperature drops below 41°F (5°C). This feature ensures a minimum level of heat even if batteries are depleted.
Compressor Protection Feature
A 5-minute delay is automatically provided after turning off the cooling system output to protect the compressor from short cycling. This also applies to heat pump systems in heat mode.
Changing Fahrenheit (°F) to Celsius (°C)
- Separate the front and rear thermostat bodies.
- Locate the °F/°C switch on the circuit board.
- Flip the switch to the desired temperature scale (°F or °C).
- Re-attach the front thermostat body.
- Press the RESET button to register the new temperature scale.
Note: Resetting the thermostat erases all user settings. Change the °F/°C scale before programming.
Low Battery Detection and Replacement
The thermostat uses two "AA" alkaline batteries. A low battery indicator will appear on the display when batteries need replacement. Replace batteries immediately to maintain system operation and program settings.
- Open the front thermostat door and battery compartment.
- Remove the old batteries.
- Install two new "AA" alkaline batteries, observing polarity.
- Close the battery compartment and verify the low battery indicator is off.
Resetting Thermostat
The Reset feature allows you to reset the thermostat to factory default settings and register new manual switch configurations.
- Gently press the RESET button using a paper clip or pencil tip to erase all program settings.
- This returns all settings to default values and registers new manual switch settings.
Troubleshooting
| Symptom | Potential Solution |
|---|---|
| Thermostat does not turn on heating or cooling system. | Check if "OFF" is displayed; move system selector to HEAT or COOL. Allow 5 minutes for compressor protection delay. Check wiring for correct connections. |
| Thermostat turns on heating instead of cooling. | Check wiring for correct connections between heating and cooling stages. |
| Thermostat turns on cooling instead of heating. | Check wiring for correct connections between heating and cooling stages. |
| Heating or cooling system cycles too often or not often enough. | Adjust the temperature differential setting. See "Setting Temperature Differential" section. |
| Low battery indicator is shown. | Replace batteries immediately. See "Low Battery Detection and Replacement" section. |
| "OFF" is shown in display and system will not start. | Ensure the system selector switch is in HEAT or COOL mode. |
| Thermostat display is blank. | Replace batteries. If the display remains blank, contact a professional service technician. |
| "HI" is shown in display. | The sensed temperature is above the 90°F (32°C) upper limit. Turn on cooling or lower ambient temperature. This may occur after installation if the thermostat was stored in a warm location. |
| "LO" is shown in display. | The sensed temperature is below the 45°F (7°C) lower limit. Turn on heating or raise ambient temperature. This may occur after installation if the thermostat was stored in a cold location. Allow thermostat to acclimate. |
| Cannot program setpoint above 90°F (32°C). | This is above the normal thermostat temperature setting range. |
| Cannot program setpoint below 45°F (7°C). | This is below the normal thermostat temperature setting range. |
| Fan runs constantly. | Ensure the fan control switch is in AUTO position. Check thermostat wiring for correct fan control connection. |
| Room is too warm or too cold. | Review set temperature and make necessary modifications. See "Review Set Temperature" section. |
Wiring Diagrams
Diagrams illustrate typical wiring configurations for various HVAC systems:
- Typical 2-Wire 24 Volt AC or 250mV - 750mV Millivolt Heating Systems
- Typical 3-Wire Heating System with Fan Control
- Typical 4-Wire Single Transformer Heating and Cooling System
- Typical 5-Wire Two Transformer Heating and Cooling System
- Typical Single Stage Heat Pump Reversing Valve Active in Cooling (Note: Installer must place jumper wire between "W" and "Y" terminals)
- Typical Single Stage Heat Pump Reversing Valve Active in Heating (Note: Installer must place jumper wire between "W" and "Y" terminals)
Warranty
Braeburn Systems LLC warrants this thermostat against defects in material or workmanship for two years from the original date of purchase. This warranty does not cover batteries or damage resulting from accident, alteration, neglect, misuse, improper installation, or failure to follow operating instructions. Braeburn Systems LLC will repair or replace, at its option, any defective thermostat returned postage prepaid to their warranty facility with proof of purchase and a description of the malfunction.
Warranty Facility:
Braeburn Systems LLC
Attn: Warranty Department
2215 Cornell Avenue
Montgomery, IL 60538
This warranty provides specific legal rights, and other rights may vary by state or province.
Contact Information
Braeburn Systems LLC
2215 Cornell Avenue · Montgomery, IL 60538
Technical Assistance: www.braeburnonline.com
866-268-5599
© 2004 Braeburn Systems LLC All Rights Reserved.
