Introduction
This manual provides essential information for the safe and efficient operation of your NOMA 4L Evaporative Humidifier. Please read these instructions thoroughly before use and retain them for future reference. The NOMA 4.0 Liter (1.05 gal) Evaporative Humidifier is designed to maintain optimal humidity levels in indoor spaces up to 380 sq. ft. Its top-fill design simplifies refilling, and the integrated humidistat allows you to set desired humidity levels at 40%, 50%, or 60%. The unit offers continuous operation for up to 24 hours or timed shut-off options for 2, 4, or 8 hours. Operating at a quiet 40 dB, it is suitable for various environments.
Important Safety Instructions
To reduce the risk of fire, electric shock, or injury, always follow these basic safety precautions:
- Read all instructions before using the appliance.
- Always place the humidifier on a firm, flat, water-resistant surface at least 12 inches (30 cm) away from walls and 3 feet (1 meter) from heat sources such as stoves, radiators, or heaters.
- Do not operate the humidifier if the cord or plug is damaged, or if the appliance malfunctions or has been dropped or damaged in any manner.
- Keep the power cord away from heated surfaces.
- Never block the air openings of the humidifier or place it on a soft surface, such as a bed or sofa, where the air openings may be blocked.
- Do not use the humidifier in areas where gasoline, paint, or other flammable liquids are stored.
- Unplug the humidifier from the power outlet when not in use, when filling, cleaning, or moving.
- Do not immerse the humidifier in water or other liquids.
- This appliance is for household use only.
- Children should be supervised to ensure they do not play with the appliance.
Package Contents
The NOMA 4L Evaporative Humidifier package includes the following items:
- NOMA 4L Evaporative Humidifier Unit
- Ion Exchange Filter (pre-installed or separate)
- User Manual
Product Features
The NOMA 4L Evaporative Humidifier is designed with several key features to enhance your comfort:
- Adjustable Mist Level & Humidistat: Three mist speed settings with a 360-degree vapor outlet and an integrated humidistat for precise humidity control.
- Large Room Capacity: Effectively humidifies spaces up to 380 sq. ft.
- Top Fill Design: Easy and convenient water refilling and cleaning.
- Night Mode / Auto Shut-Off: Quiet operation with a 24-hour run time and an automatic shut-off sensor for safety.
- Easy Touch Technology: Control panel lights are clear when active and invisible when off, with dimmable options for nighttime use.
- Antimicrobial Water Wick: Inhibits 99.93% of mold growth within the unit.
Image: Overview of the NOMA 4L Evaporative Humidifier highlighting its main features including working time, auto shut-off, humidistat, quiet operation, 3-speed fan, and night mode.
Image: The NOMA humidifier on a countertop, emphasizing its antimicrobial water wick feature which inhibits mold growth.
Setup
1. Unpacking
- Carefully remove the humidifier from its packaging.
- Remove all packing materials and ensure all components are present.
2. Placement
- Place the humidifier on a firm, flat, water-resistant surface.
- Ensure it is at least 12 inches (30 cm) away from walls and 3 feet (1 meter) from heat sources.
- Avoid placing it directly on carpet or near furniture that may be sensitive to moisture.
3. Filling the Water Tank
Image: Close-up of the NOMA humidifier's top-fill design, showing water being poured directly into the unit for easy refilling.
- Ensure the humidifier is unplugged before filling.
- Remove the top cover of the humidifier.
- Pour clean, cool tap water directly into the water tank opening. Do not exceed the 'MAX' fill line indicated on the unit.
- Replace the top cover securely.
Operating Instructions
1. Power On/Off
- Plug the power cord into a standard electrical outlet.
- Press the Power button (
) on the control panel to turn the humidifier ON or OFF.
2. Adjusting Mist Level (Fan Speed)
Image: Close-up of the NOMA humidifier's touch control panel, showing the fan speed icon and indicating three speed settings: Low, Medium, or High.
- With the humidifier ON, press the Fan Speed button () repeatedly to cycle through Low, Medium, and High mist output settings.
3. Setting Humidity Level (Humidistat)
Image: The NOMA humidifier in a living room setting, highlighting its adjustable humidistat feature which allows pre-setting humidity to 40%, 50%, or 60%.
- Press the Humidistat button (often indicated by a humidity icon or percentage) to select your desired humidity level: 40%, 50%, or 60%.
- The humidifier will automatically adjust its operation to maintain the selected humidity.
4. Timer Function
- Press the Timer button () to set the humidifier to run for a specific duration: 2, 4, or 8 hours.
- The unit will automatically shut off once the set time has elapsed.
5. Night Mode
- To activate Night Mode, press the Night Mode button (if available, or hold the Power button). This will dim or turn off the control panel lights for undisturbed sleep.
6. Auto Shut-Off
- The humidifier is equipped with an automatic shut-off sensor. It will turn off automatically when the water tank is empty or when the set humidity level is reached.
Maintenance
Regular maintenance ensures optimal performance and extends the life of your humidifier.
1. Cleaning the Humidifier
- Always unplug the humidifier before cleaning.
- Remove the top cover and empty any remaining water from the tank.
- Wipe the interior of the water tank and the base with a soft, damp cloth. For mineral deposits, use a solution of white vinegar and water (1:1 ratio) and let it soak for 20 minutes before wiping clean.
- Rinse thoroughly with clean water and dry all parts before reassembly.
- Do not use abrasive cleaners or harsh chemicals.
2. Filter Replacement
The ion exchange filter helps reduce calcium and white dust build-up. Replace the filter regularly, typically every 2-3 months, or as indicated by the humidifier's performance or indicator light.
- Unplug the humidifier.
- Remove the top cover and the old filter.
- Insert a new NOMA ion exchange filter, ensuring it is properly seated.
- Replace the top cover.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Humidifier does not turn on. | No power; Unit not plugged in; Water tank empty. | Check power connection; Ensure unit is plugged in; Refill water tank. |
| No mist output or low mist. | Water tank empty; Filter needs cleaning/replacement; Fan speed too low. | Refill water tank; Clean or replace filter; Increase fan speed setting. |
| Unusual noise during operation. | Unit not on a flat surface; Obstruction in fan; Mineral buildup. | Place on a stable, flat surface; Check for and remove obstructions; Clean the unit. |
| Water level indicator stuck. | Mineral deposits on the float. | Gently tap the unit or clean the float mechanism to dislodge deposits. |
| White dust around the humidifier. | Hard water usage. | Ensure ion exchange filter is installed and clean; Consider using distilled water if problem persists. |
Specifications
| Feature | Detail |
|---|---|
| Brand | NOMA |
| Model Name | 4L Evaporative Humidifier |
| Capacity | 4 Liters (1.06 gallons) |
| Floor Area Coverage | Up to 380 sq. ft. |
| Operation Mode | Evaporative |
| Runtime | Up to 24 hours |
| Noise Level | 40 dB (Quiet) |
| Control Method | Touch |
| Filter Type | Wick (Ion exchange filter included) |
| Power Source | AC |
| Color | White |
Warranty and Support
Warranty Information
This NOMA 4L Evaporative Humidifier comes with a 1-year warranty from the date of purchase. This warranty covers defects in materials and workmanship under normal household use. It does not cover damage resulting from misuse, accident, alteration, neglect, or unauthorized repair.
Please retain your proof of purchase for warranty claims.
Customer Support
For technical assistance, troubleshooting not covered in this manual, or warranty inquiries, please contact NOMA customer support. Refer to the product packaging or the NOMA official website for the most current contact information.
Manufacturer Contact Information: Forest Park, IL 60130, US