Coolbreeze MRU Control Board

This Coolbreeze MRU Control Board (SKU: CBSP3000) is the brain of your evaporative cooler, managing everything from fan speed to water pump operation. If your unit is acting up, a faulty control board is a common culprit, and replacing it can get your system back on track.

Keeping an evaporative cooler humming through a hot Aussie summer depends on reliable electronics, and this genuine Coolbreeze part ensures your system operates as intended, keeping those cool breezes flowing when you need them most.

Best For

• HVAC technicians servicing Coolbreeze evaporative coolers.
• Competent DIY homeowners replacing a faulty board in their Coolbreeze MRU unit.
• Maintenance teams looking for genuine Coolbreeze spare parts.

Compatibility

This control board is designed specifically for Coolbreeze MRU series evaporative coolers. It’s a direct replacement for CoolBreeze Part Number SP3000. If you're running a different model, check fittings and specs before ordering.

Features

• Genuine Coolbreeze replacement part.
• PCB (Printed Circuit Board) type for reliable electronic control.
• Ensures full functionality of your Coolbreeze MRU evaporative cooler.
• Designed for straightforward installation as a direct OEM equivalent.

What's in the Box

• 1 x Coolbreeze MRU Control Board (CBSP3000)

Using It on the Job

1. Isolate Power: Always begin by turning off and locking out the main power supply to the evaporative cooler at the circuit breaker. Confirm zero voltage with a multimeter.
2. Access Board: Open the cooler's cabinet and locate the existing control board. Disconnect all wiring harness plugs and sensors from the old board, taking photos if needed for reconnection.
3. Remove Old Board: Unmount the faulty board, typically secured by screws or clips.
4. Install New Board: Mount the new Coolbreeze MRU Control Board in its place, ensuring it's seated securely.
5. Reconnect Wiring: Carefully reconnect all wiring harnesses and sensors to the correct ports on the new board. Double-check all connections.
6. Test Operation: Restore power and test the cooler's functions from the wall controller to ensure everything is operating correctly.

Limitations & Safety Notes

• Installation requires working with electrical components; always ensure power is isolated and locked out before commencing work.
• Only use this board with compatible Coolbreeze MRU evaporative cooler models to prevent damage or malfunction.
• Follow manufacturer's instructions and local Australian standards for electrical work and appliance repair.
• If you are unsure about the installation process, consult a qualified HVAC technician.

Tradie Pro Tip: When replacing a control board, take a close look at the old board for any signs of water ingress, corrosion, or burnt components. This can indicate other underlying issues with the cooler's drainage or seal that need to be addressed to prevent future board failures.

Pair With

Pair with other Coolbreeze evaporative cooler spares like pumps or float valves. You might also need a good quality multimeter for testing electrical circuits during troubleshooting.