WareLight WL-CLHB-155W-2CTS-WH-G1-2PK
WareLight Oslo Compact Linear High Bay Fixture
Model: WL-CLHB-155W-2CTS-WH-G1-2PK

This manual provides essential information for the safe and efficient installation, operation, and maintenance of your WareLight Oslo Compact Linear High Bay Fixture.
1. Safety Information
Please read all instructions carefully before installation and operation. Failure to follow these instructions may result in electric shock, fire, or other hazards.
- Electrical Safety: Installation should be performed by a qualified electrician in accordance with national and local electrical codes. Ensure power is disconnected at the circuit breaker before installation or servicing.
- Product Environment: This fixture is suitable for dry and damp locations. Do not install in areas with direct water exposure unless specified.
- Handling: Handle the fixture with care to avoid damage. Do not look directly into the LED light source when illuminated.
- Ventilation: Ensure adequate ventilation around the fixture to prevent overheating.
2. Package Contents
Verify that all components are present before beginning installation:
- WareLight Oslo Compact Linear High Bay Fixture
- 3-foot Chain Kit
- V-Clips for hanging
- Mounting Hardware

Image: The fixture shown with included V-hook and chain for easy hanging. Recommended installation height is 7-14 feet.
3. Product Features
The WareLight Oslo Compact Linear High Bay Fixture offers versatile lighting solutions with the following key features:
- Wattage Selectable: This specific model (155W) offers selectable wattages of 130W, 150W, and 165W. Other models in the series may offer different ranges (e.g., 70W-110W or 200W-300W).
- Color Temperature (CCT) Selectable: Choose between 4000K (neutral white) and 5000K (daylight white) to match environmental requirements or preference.
- Dimmable: Compatible with 0-10V dimming systems for adjustable brightness levels.
- Wide Voltage Range: Operates on 120-277V, with some models supporting 277-480V, making them suitable for various electrical systems.
- Certifications: DLC Premium and cULus listed, ensuring high energy efficiency and safety standards.
- Durable Construction: Features a robust stamped metal housing with a sleek white finish.
- Optional Smart Controls: Compatible with WareSense Blue app for advanced lighting control.
- Optional Sensors: Supports plug-and-play bi-level sensors, including PIR (Passive Infrared) and Microwave sensors for enhanced automation.
- Optional Emergency Backup: A 16W emergency battery backup unit is available, designed to fit seamlessly on top of the fixture.

Image: Overview of the WareLight Oslo Compact Linear High Bay Fixture, detailing its key features including selectable lumens, wattage, voltage, dimmability, and color temperature options.
4. Setup and Installation
Follow these steps for proper installation. It is recommended that installation be performed by a licensed electrician.
- Disconnect Power: Before starting, ensure the power supply to the installation area is completely turned off at the circuit breaker.
- Prepare Mounting:
- Chain/V-Clip Mounting (Standard): Attach the V-clips to the designated slots on the fixture. Connect the provided 3-foot chain kit to the V-clips and securely hang the fixture from appropriate ceiling anchors (not included).
- Optional Mounting: For surface mount, pendant mount, or aircraft cable kits, refer to the specific instructions provided with those accessories.

Image: A close-up view demonstrating how to attach the V-clips to the fixture for hanging installation.
- Electrical Connection:
- Connect the fixture's electrical wires to the building's power supply wires according to local electrical codes. Ensure proper grounding.
- If using 0-10V dimming, connect the dimming wires to a compatible 0-10V dimmer switch.
- Install Optional Accessories: If installing an emergency battery backup unit or sensors, follow their respective installation guides. The emergency battery backup unit is designed to fit on top of the fixture.

Image: The WareLight Oslo fixture with an optional emergency battery backup unit mounted on top, showing its integrated design.
- Restore Power: Once all connections are secure and the fixture is properly mounted, restore power at the circuit breaker.
5. Operation
Your WareLight Oslo fixture is designed for flexible operation:
- Wattage and CCT Selection:
- Locate the selector switches on the fixture. These switches allow you to choose the desired wattage and color temperature (CCT) before or after installation.
- Adjust the wattage switch to select between the available power levels (e.g., 130W, 150W, 165W for 165W max models).
- Adjust the CCT switch to select between 4000K or 5000K.
Video: This video provides a product overview, including a demonstration of how to use the wattage and CCT selector switches on the fixture to customize light output and color temperature.
- Dimming:
- If connected to a 0-10V dimmer switch, use the dimmer to adjust the brightness of the fixture from 0% to 100%.
- Smart Controls (WareSense Blue):
- For models equipped with smart control capabilities, download the WareSense Blue app on your smartphone.
- Follow the app's instructions to pair your fixture and access features like scheduling, grouping, and remote control.
- Sensor Operation:
- If optional PIR or Microwave sensors are installed, the fixture will automatically adjust light levels or turn on/off based on motion detection and ambient light conditions. Refer to the sensor's specific manual for configuration.
6. Maintenance
Regular maintenance ensures optimal performance and longevity of your fixture:
- Cleaning: Disconnect power before cleaning. Use a soft, dry, or slightly damp cloth to wipe the exterior of the fixture. Avoid abrasive cleaners or solvents that could damage the finish or electrical components.
- Inspection: Periodically inspect the fixture for any signs of damage, loose connections, or wear. Address any issues promptly.
- LEDs: The LED light source is integrated and not user-replaceable.
7. Troubleshooting
If you encounter issues with your fixture, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Fixture does not illuminate. | No power, loose wiring, faulty switch. | Check circuit breaker. Verify all electrical connections are secure. Test the switch. |
| Light output is too low or too high. | Incorrect wattage selection, dimmer setting. | Adjust the wattage selector switch. Check the dimmer switch setting. |
| Color temperature is incorrect. | Incorrect CCT selection. | Adjust the CCT selector switch. |
| Fixture flickers or cycles on/off. | Unstable power, incompatible dimmer, faulty sensor. | Ensure stable power supply. Verify dimmer compatibility. Check sensor settings or functionality. |
If troubleshooting steps do not resolve the issue, contact a qualified electrician or WareLight customer support.
8. Specifications
| Attribute | Detail |
|---|---|
| Brand | WareLight |
| Model Name | Oslo |
| Model Number | WL-CLHB-155W-2CTS-WH-G1-2PK |
| Wattage (Nominal) | 155 Watts (Selectable: 130W, 150W, 165W) |
| Brightness | 23,100 Lumens |
| Voltage | 120-277 Volts (AC) |
| Color Temperature (CCT) | 4000K / 5000K Selectable |
| Dimming | 0-10V Dimmable |
| Material | Aluminum, Metal |
| Color | White |
| Dimensions (L x W x H) | 24"L x 11.8"W x 1.6"H |
| Certifications | DLC Premium, cULus Listed |
| Indoor/Outdoor Usage | Indoor (Suitable for dry and damp locations) |
| Mounting Type | Ceiling Mount (Chain/V-clip included; Surface, Pendant, Aircraft Cable kits optional) |
| UPC | 850063447041 |
| ASIN | B0D5NXKC4S |

Image: Technical drawing showing the dimensions of the fixture: 24 inches long, 11.8 inches wide, and 1.6 inches high.
9. Warranty and Support
The WareLight Oslo Compact Linear High Bay Fixture is backed by a 5-year warranty, ensuring peace of mind regarding its quality and performance.
For technical assistance, warranty claims, or additional information, please contact WareLight customer support:
- Website: www.warehouse-lighting.com
- Email: support@warehouse-lighting.com
- Phone: 1-800-XXX-XXXX (Placeholder - please refer to product packaging or official website for current contact details)