1. Introduction
This manual provides essential information for the safe installation, operation, and maintenance of your Big Ass Fans Haiku 52-inch Smart Indoor Ceiling Fan. Please read all instructions carefully before proceeding with installation or use. Retain this manual for future reference.
The Haiku 52-inch Smart Indoor Ceiling Fan is designed for optimal air circulation and comfort in indoor environments. It features a permanent-magnet motor for quiet and energy-efficient operation, along with advanced control options.

Image 1.1: Big Ass Fans Haiku 52-inch Smart Indoor Ceiling Fan, Brushed Aluminum with Black Hardware.
2. Safety Information
WARNING: To reduce the risk of fire, electric shock, or injury to persons, observe the following:
- Installation must be performed by a qualified electrician in accordance with all local and national electrical codes.
- Disconnect power at the circuit breaker before installation or servicing.
- Ensure the mounting structure can support the fan's weight (approximately 26 pounds).
- Do not operate the fan with damaged wiring or components.
- Keep hands, clothing, and other objects clear of rotating blades.
- This fan is for indoor use only.
3. Setup and Installation
3.1 Unpacking and Inspection
Carefully remove all components from the packaging. Inspect for any shipping damage. Ensure all parts listed in the packing list are present. If any parts are missing or damaged, contact Big Ass Fans customer support immediately.
3.2 Required Tools (Not Included)
- Phillips head screwdriver
- Wire strippers
- Adjustable wrench
- Ladder
- Voltage tester
3.3 Mounting Location
This model features a Low Profile Mount, recommended for flat ceilings between 8 and 10 feet in height. Ensure there is adequate clearance from walls and other obstructions for the 52-inch diameter blades.
3.4 Electrical Connection
Ensure power is OFF at the circuit breaker before beginning electrical work. Connect the fan's wiring to the household electrical supply according to the provided wiring diagram (refer to the separate installation guide for detailed diagrams). This fan operates on 120 Volts A/C power.
3.5 Blade Installation
Attach the three precision-balanced airfoils to the motor housing. Ensure all screws are securely tightened. The blades are made from aircraft-grade aluminum for durability and efficient airflow.

Image 3.1: Close-up of the Haiku fan blades and motor housing during assembly.
3.6 Optional Accessories
Optional LED downlight, Chromatic Uplight, and Wired Wall Control are available for purchase separately. Refer to their respective installation guides for setup instructions.
4. Operating Instructions
4.1 Powering On
Once installation is complete and verified, restore power at the circuit breaker.
4.2 Control Methods
Your Haiku fan offers multiple control options:
- Bluetooth Remote: Use the included Bluetooth remote for direct control of fan speed and other functions.
- Mobile App: Download the Big Ass Fans mobile app to control your fan from your smartphone or tablet. The app allows for advanced scheduling and customization.
- Voice Integration: The fan can be integrated with compatible voice assistants for hands-free control. Refer to the app for setup details.
- Optional Wired Wall Control: If installed, the wired wall control provides an additional fixed control point.
4.3 SenseME Technology
The built-in SenseME technology allows for automated convenience and efficiency. This feature can detect occupancy, temperature, and humidity to adjust fan speed automatically, optimizing comfort and energy use. Configure SenseME settings via the mobile app.
4.4 Speed Settings
The fan features 7 distinct speed settings, allowing precise control over airflow. Adjust the speed using your preferred control method to achieve desired air circulation.
Video 4.1: Demonstrates the whisper-quiet operation of Big Ass Fans, a key feature of the Haiku series.
5. Maintenance
5.1 Cleaning
To clean your Haiku fan, ensure power is disconnected at the circuit breaker. Use a soft, damp cloth to wipe down the blades and motor housing. Avoid using abrasive cleaners or solvents, as these can damage the finish.
5.2 Blade Inspection
Periodically inspect the fan blades for any signs of damage or imbalance. Damaged blades can affect performance and safety. The aircraft-grade aluminum blades are designed for durability.
Video 5.1: A demonstration of the durability of Haiku fan blades, showcasing their robust construction.
6. Troubleshooting
- Fan does not turn on:
- Check the circuit breaker to ensure power is supplied to the fan.
- Verify all electrical connections are secure.
- Ensure the remote control batteries are not depleted.
- Fan makes excessive noise:
- Ensure all mounting hardware and blade screws are tightened.
- Check for any obstructions near the blades.
- Verify blades are not bent or damaged.
- Remote control not working:
- Replace batteries in the remote control.
- Ensure the remote is within range and not obstructed.
- Refer to the pairing instructions in the separate remote control guide.
- Mobile app connectivity issues:
- Ensure your Wi-Fi network is active and the fan is connected.
- Restart your router and the fan (by cycling power at the breaker).
- Check for app updates.
7. Specifications
| Feature | Detail |
|---|---|
| Brand | Big Ass Fans |
| Model Name | Haiku |
| Model Number | MK-HK4-04 |
| Size | 52 inches |
| Color | Brushed Aluminum / Black Hardware |
| Mounting Type | Low Profile Mount (Recommended for 8'-10' flat ceilings) |
| Number of Blades | 3 |
| Blade Material | Aluminum |
| Motor Type | Permanent-magnet |
| Control Method | App, Remote, Voice |
| Number of Speeds | 7 |
| Air Flow Capacity | 6145 Cubic Feet Per Minute (CFM) |
| Noise Level | 35 Decibels |
| Wattage | 20.1 watts |
| Voltage | 120 Volts |
| Indoor Outdoor Usage | Indoor |
| Special Features | Built-in SenseME™ technology |
| Included Components | Bluetooth Remote, Fan, Mounting Hardware |
| Product Dimensions (D x W x H) | 60"D x 60"W x 12"H |
| Item Weight | 26 Pounds |
| UPC | 840325200248 |
| Energy Efficiency | Energy Star Certified |
8. Warranty and Support
8.1 Warranty Information
Big Ass Fans products are backed by a manufacturer's warranty. For specific details regarding your Haiku fan's warranty coverage, including duration and terms, please refer to the warranty card included with your product or visit the official Big Ass Fans website. Keep your proof of purchase for warranty claims.
8.2 Customer Support
If you encounter any issues or have questions not covered in this manual, please contact Big Ass Fans customer support. You can find contact information, FAQs, and additional resources on the official Big Ass Fans website: www.bigassfans.com.
Video 8.1: An overview of the Haiku Coastal fan, demonstrating general features and design principles applicable to the Haiku series.







