Introduction
This manual provides detailed instructions for the installation, operation, and maintenance of your OREiN 3-in-1 Bathroom Exhaust Fan. This unit integrates a powerful exhaust fan, an adjustable LED light, and a smart humidity sensor to enhance your bathroom environment. Please read this manual thoroughly before installation and use to ensure proper function and safety.

Image: The OREiN 3-in-1 Bathroom Exhaust Fan, showcasing its integrated LED light and sleek design. Below are three examples of the selectable light color temperatures: warm white (3000K), bright white (4000K), and daylight (5000K).
Safety Information
- Always disconnect power at the circuit breaker before installing or servicing the fan.
- Installation must comply with all local electrical codes and standards.
- Ensure proper grounding to prevent electrical shock.
- This fan is designed for indoor use only.
- Do not use this fan with solid-state speed control devices unless specifically approved.
- For optimal safety, it is recommended to wire this unit into a Ground Fault Circuit Interrupter (GFCI) protected circuit.
- The light and fan functions may require separate wiring circuits or a double switch for independent operation. Failure to separate circuits may result in unintended light behavior.
Package Contents
Verify that all components are present before beginning installation:
- OREiN Bathroom Exhaust Fan with Integrated LED Light
- Fast-install bracket
- Instruction Manual
Setup and Installation
This fan is designed for ceiling installation between joists and requires standard 6-inch ducting. Please ensure your ceiling opening and duct size are compatible before proceeding.
Dimensions and Opening Requirements
- Fan Housing Size: 12.87 inches (W) x 10.59 inches (D) x 7.91 inches (H)
- Light Cover Size: 13.1 inches x 13.1 inches
- Recommended Ceiling Opening Size: 11.81 inches x 11.02 inches
- Ducting: Standard 6-inch diameter

Image: Diagram illustrating the dimensions of the fan housing (12.87"x10.59"x7.91") and the light cover (13.1"x13.1"), along with the recommended ceiling opening size (11.81"x11.02") and 6-inch duct connection.
Installation Steps
- Prepare the Ceiling Opening: Cut an opening in the ceiling according to the recommended size (11.81''x11.02''). If replacing an existing fan, ensure the new opening matches or can be adjusted.
- Mount the Housing: Secure the fan housing between the ceiling joists using the fast-install bracket.
- Connect Ducting: Attach the 6-inch ductwork to the fan's exhaust port. Ensure a secure and airtight connection.
- Electrical Wiring: Connect the electrical wiring according to the provided wiring diagram. It is crucial to ensure the light and fan circuits are wired correctly, potentially requiring separate switches for independent control.
- Install Light Cover: Once wiring is complete and tested, attach the light cover to the fan housing.

Image: A three-step visual guide demonstrating the installation process: Step 1 shows the fan housing in the ceiling, Step 2 shows the mounting bracket, and Step 3 shows the light cover being attached to the installed fan.
Wiring Diagram
Refer to the following diagram for electrical connections. A qualified electrician should perform all wiring.

Image: A detailed wiring diagram showing connections for the light, humidity sensor, fan power module, motor, and ground. It indicates black wires to the switch and white wires to neutral, with green to ground. Wire connectors are also shown.
Operating Instructions
Humidity Sensor Operation
- Automatic Mode: The fan will automatically activate when the humidity level in the bathroom reaches 60%. A green LED indicator light will illuminate to confirm humidity mode is active.
- Manual Mode: To operate the fan continuously, move the wall switch to the "ON" position. A red LED indicator light will illuminate.
- Switching Modes: To toggle between Automatic (humidity sensing) and Manual modes, cycle the wall switch of the fan to the "OFF" position and then back to "ON".

Image: Two panels illustrating the humidity sensor modes. The top panel shows Manual Mode with a red LED indicator, indicating continuous fan operation. The bottom panel shows Humidity Sensing Mode with a green LED indicator, signifying automatic activation at 60% humidity. A separate image shows a hand operating a wall switch to cycle modes.
LED Light Operation
- Brightness: The integrated LED light provides 1500 lumens of illumination.
- Color Temperature Selection (3CCT): Choose between Warm White (3000K), Bright White (4000K), or Daylight (5000K) by sliding the toggle switch located on the back of the light shade during installation or maintenance.
- Night Light Mode: To activate the 2200K night light, switch the main light switch OFF and then back ON again within 2 seconds.
- Compatibility: This unit is not compatible with dimmer switches or timer switches.

Image: Three distinct bathroom scenes demonstrating the different color temperatures of the LED light: 5000K (Daylight), 4000K (Bright White), and 3000K (Warm White). A small inset image shows the toggle switch for selection.

Image: An illustration highlighting the 3CCT (Color Correlated Temperature) selectable feature and the nightlight function. It shows the fan's light glowing in a warm 2200K hue, indicating nightlight mode, with specifications for 18W power, 3CCT-1500lm, and Nightlight-200lm.
Maintenance
Regular maintenance ensures optimal performance and longevity of your exhaust fan.
- Cleaning the Grille: Periodically remove the light cover and clean it with a soft, damp cloth. Do not use abrasive cleaners.
- Cleaning the Fan Blades: With power disconnected, gently wipe the fan blades and interior of the housing to remove dust and debris.
- Inspection: Annually inspect the ductwork for any blockages or damage.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Fan does not turn on. | No power, loose wiring, faulty switch. | Check circuit breaker. Verify all wiring connections are secure. Test wall switch. |
| Light does not turn on. | No power, loose wiring, faulty switch, LED module issue. | Check circuit breaker. Verify all wiring connections. Ensure light circuit is separate from fan. |
| Fan is excessively noisy. | Ductwork obstruction, improper duct size, loose mounting, motor issue. | Check ductwork for obstructions. Ensure 6-inch ducting is used without reducers if possible. Verify fan is securely mounted. |
| Humidity sensor not activating. | Fan in manual mode, sensor malfunction. | Cycle wall switch OFF then ON to ensure fan is in humidity sensing mode (green LED). If issue persists, contact customer support. |
| Light settings bypass or change unexpectedly. | Light and fan circuits are not separated. | Ensure the light and fan are wired on separate circuits or controlled by a double switch to prevent interference. |
Product Specifications
| Feature | Specification |
|---|---|
| Brand | OREiN |
| Model Name | OL17003 |
| Part Number | OL17003-CCT-CA-1 |
| Air Flow Capacity | 160 Cubic Feet Per Minute (CFM) |
| Noise Level | 1.0 Sones |
| Coverage Area | Up to 160 Square Feet |
| Light Output | 1500 Lumens (LED) |
| Color Temperature (CCT) | 3000K / 4000K / 5000K (Selectable) |
| Night Light | 2200K |
| Wattage | 40 watts (Fan), 18 watts (Light) |
| Voltage | 120 Volts |
| Power Source | AC |
| Product Dimensions | 10.59"D x 12.87"W x 7.91"H |
| Ceiling Opening Size | 11.81'' x 11.02'' |
| Duct Size | 6 inches |
| Special Features | Humidity Sensor, 3 CCT Selectable, Nightlight |
| Certifications | ETL, FCC, RoHS |
| Installation Type | Flush Mount |
| Item Weight | 16.87 pounds |
Warranty Information
OREiN products are manufactured to high-quality standards. For specific warranty details and terms, please refer to the warranty card included with your product or contact OREiN customer support directly. Keep your proof of purchase for any warranty claims.
Customer Support
If you have any questions, require assistance, or need to report an issue with your OREiN product, please contact our customer support team:
- Phone: 1 (844) 506-1530 (24-Hour Service)
- Online: Search for "OREiN" online to find our official website and contact options.
- Amazon: Contact us directly through your Amazon order details.
When contacting support, please have your product model number (OL17003-CCT-CA-1) and purchase information readily available.





