1. Introduction
This manual provides essential information for the safe and efficient installation, operation, and maintenance of your FIREGAS 36 Inch Black Under Cabinet Range Hood. Please read these instructions thoroughly before installation and use, and retain them for future reference.

Image 1: Front view of the FIREGAS 36 Inch Black Under Cabinet Range Hood.
2. Safety Information
To reduce the risk of fire, electric shock, or injury, observe the following:
- Installation work and electrical wiring must be done by qualified person(s) in accordance with all applicable codes and standards.
- Sufficient air is needed for proper combustion and exhausting of gases through the flue (chimney) of fuel-burning equipment to prevent back-drafting.
- When cutting or drilling into wall or ceiling, do not damage electrical wiring and other hidden utilities.
- Ducted fans must always be vented to the outdoors.
- Always disconnect power from the unit before servicing.
3. What's in the Box
Your FIREGAS Range Hood package includes the following components:
- 36 inch Black Range Hood
- 3-Prong Plug
- Charcoal Filter (Model No.: CC170)
- 3 Multi-Layers Aluminum Filters
- Mounting Kit & Manual

Image 2: All components included in the FIREGAS Range Hood package.
4. Setup and Installation
The FIREGAS Range Hood offers versatile installation options: ducted (top or back venting) or ductless (recirculation mode). Ensure you have the necessary tools and follow local building codes.
4.1. Installation Options
- Top Venting: Air is exhausted vertically through a duct connected to the top of the hood.
- Back Venting: Air is exhausted horizontally through a duct connected to the rear of the hood.
- Recirculation Mode (Ductless): Air is filtered through charcoal filters and recirculated back into the kitchen. This mode is suitable for installations where external venting is not possible.

Image 3: Visual representation of the three venting options: Top, Back, and Recirculation.
4.2. General Installation Steps
- Preparation: Ensure the power supply is disconnected. Measure the installation area carefully.
- Marking: Use the provided installation diagram to mark the positions for the air outlet, power connection hole, and fixing screws on the cabinet or wall.
- Drilling: Drill holes for mounting screws and cut out the air outlet and power connection holes as marked.
- Mounting: Align the range hood with the drilled holes. Secure the hood to the cabinet using the provided screws.
- Electrical Connection: Connect the range hood's power cord to the electrical outlet.
- Ductwork (if applicable): For ducted installations, connect the exhaust pipe to the hood's air outlet and secure it with metal foil duct tape to ensure airtight joints.
4.3. Carbon Filter Installation (Recirculation Mode)
If using the range hood in recirculation mode, install the charcoal filter:
- Remove the aluminum filters from the underside of the hood.
- Locate the motor housing.
- Twist and tighten the charcoal filter onto the motor.
- Reinstall the aluminum filters.

Image 4: Detailed steps for installing the carbon filter for ductless operation.
4.4. Installation Video
Video 1: This video provides a visual guide on how to install the range hood, covering both vertical and horizontal ventilation methods, as well as filter installation.
5. Operating Instructions
The range hood features easy-to-use push-button controls for fan speed and lighting.

Image 5: Push button controls for fan and light functions.
5.1. Fan Operation
Press the fan speed buttons to adjust the suction power:
- Button 1 (Low Speed): Ideal for light cooking, simmering, or when minimal ventilation is needed.
- Button 2 (Medium Speed): Suitable for general cooking, frying, or when moderate ventilation is required.
- Button 3 (High Speed): Provides maximum suction for heavy cooking, grilling, or when strong odors and smoke are present.
Press the power button (0) to turn the fan off.

Image 6: The 3-speed exhaust fan adapts to different cooking needs.
5.2. LED Lights
Press the light button (sun icon) to turn the 2 x 1.5W LED lights on or off. These lights provide ample illumination for your cooking area.

Image 7: LED lights provide clear visibility while cooking.
6. Maintenance
Regular maintenance ensures optimal performance and longevity of your range hood.
6.1. Aluminum Filters
The multi-layer aluminum mesh filters effectively trap grease and oil. They are dishwasher safe and reusable. Clean them regularly (e.g., every 2 weeks, depending on usage) to maintain suction power.
- To remove: Push the latch on the filter and pull downwards.
- To clean: Place in a dishwasher on a high-temperature cycle without detergent, or wash by hand with warm, soapy water.
- To reinstall: Align the filter with the slots and push upwards until it clicks into place.

Image 8: The multi-layer aluminum filters efficiently capture grease.
6.2. Charcoal Filters (Ductless Mode Only)
If using the range hood in recirculation mode, the charcoal filter (Model No.: CC170) should be replaced periodically, typically every 3-6 months, depending on cooking frequency. These filters are not washable and must be replaced.
- To replace: Follow the installation steps for carbon filters in Section 4.3.
7. Troubleshooting
If you encounter issues with your range hood, refer to the following common solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Fan not working | No power supply; Fan switch off | Check power connection; Turn on fan switch |
| Lights not working | Light switch off; LED bulb faulty | Turn on light switch; Contact support for replacement |
| Poor suction | Clogged filters; Improper ducting; Fan speed too low | Clean/replace filters; Check ductwork for obstructions; Increase fan speed |
| Excessive noise | Loose parts; Obstruction in fan; Improper installation | Check for loose screws; Remove obstructions; Re-check installation |
If the problem persists after attempting these solutions, please contact customer support.
8. Specifications
| Feature | Specification |
|---|---|
| Model Number | FGS-UBF22A90AC |
| Product Dimensions | 19.5"D x 35.3"W x 5.3"H |
| Item Weight | 18.91 pounds |
| Material | Alloy Steel, Aluminum |
| Color | Black |
| Airflow Displacement | 200 Cubic Feet Per Minute (CFM) |
| Noise Level | Less than 54 Decibels (dB) |
| Number of Speeds | 3 |
| Light Source Type | LED (2 x 1.5W) |
| Filter Type | Mesh (Aluminum), Charcoal (for ductless) |
| Mounting Type | Under Cabinet Mount |
| Ventilation Type | Convertible (Ducted/Ductless) |
| Voltage | 120V |
| Wattage | 80 watts |
9. Warranty and Support
Your FIREGAS Range Hood comes with a 1-Year Limited Warranty. For any assistance, technical support, or warranty claims, please contact our customer service team. We are committed to providing friendly and responsive service.