Levoit Humidifier OasisMist1000S Manual

The Levoit OasisMist1000S is a 1-gallon ultrasonic cool mist humidifier designed for medium to large rooms. It features a 360° nozzle, adjustable mist output, essential oil tray, night light with color options, auto mode with built-in humidity sensor, timer settings, and quiet operation. Below are key sections for safety, features, setup, operation, maintenance, and troubleshooting.

1. Features at a Glance 2. Installation & Setup 3. First-Time Use 4. Specifications 5. Controls and Settings 6. Operating Modes 7. Maintenance & Cleaning 8. Using Essential Oils 9. Safety Information 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: 1-gallon water tank, ultrasonic mist generator, 360° adjustable nozzle, control panel with digital display, essential oil tray, night light, humidity sensor, and remote control.

Feature	Description
Water Tank Capacity	1 gallon (3.8 liters)
Mist Output	Adjustable from 100-300 mL/h
Room Coverage	Up to 500 sq ft
Run Time	Up to 40 hours on low setting
Noise Level	< 30 dB (quiet operation)
360° Nozzle	Adjustable mist direction
Essential Oil Tray	For aromatherapy use
Night Light	7 color options + off mode
Auto Mode	Maintains set humidity level
Timer	1-12 hours programmable

Installation & Setup

Unpack and inspect all components. Place on flat, stable surface away from walls and electronics.

Remove water tank: Lift tank from base unit.
Fill with water: Remove cap and fill with cool, clean tap or distilled water (distilled recommended).
Replace tank: Ensure tank is securely seated on base.
Connect to power: Plug into 120V AC outlet.
Power on: Press POWER button on control panel or remote.

WARNING! Do not place on carpet or absorbent surfaces. Keep away from children and pets.

First-Time Use

After setup, follow these steps for initial operation.

Power on: Press POWER button; display will illuminate.
Set humidity: Use +/- buttons to set desired humidity (40-80% RH).
Select mode: Choose AUTO, MANUAL, or SLEEP mode.
Adjust mist: Use MIST LEVEL button to set output (Low/Med/High).
Set timer: Press TIMER to program shut-off (1-12 hours).
Night light: Press LIGHT to cycle through colors or turn off.

CAUTION! Use clean water only. Do not add oils directly to water tank.

Specifications

Model: OasisMist1000S
Tank Capacity: 1 gallon (3.8 L)
Coverage Area: Up to 500 sq ft
Mist Output: 100-300 mL/h adjustable
Run Time: Up to 40 hours (low setting)
Noise Level: < 30 dB
Power Consumption: 25W max
Power Source: 120V AC, 60Hz
Dimensions: 10.2" x 10.2" x 13.8"
Weight: 5.5 lbs (empty)

Controls and Settings

Control Panel: POWER, HUMIDITY +/-, MODE, MIST LEVEL, TIMER, LIGHT, ESSENTIAL OIL indicator.

Remote: POWER, MODE, MIST +/-, TIMER, LIGHT, HUMIDITY +/-, SLEEP.

Display: Current humidity, set humidity, mode indicator, timer, mist level, night light color.

Modes: AUTO (maintains set humidity), MANUAL (constant mist), SLEEP (dim display, quiet operation).

Operating Modes

AUTO Mode: Built-in sensor monitors room humidity and adjusts mist output automatically to maintain set level.

MANUAL Mode: Constant mist output at selected level (Low/Med/High).

SLEEP Mode: Display dims, operates at lowest noise level, and maintains 50% humidity.

Press MODE to cycle through options.
In AUTO mode, use +/- to set target humidity (40-80%).
In MANUAL mode, use MIST LEVEL to adjust output.

Tip: Use AUTO mode for energy efficiency and optimal comfort.

Maintenance & Cleaning

Regular cleaning prevents mold and mineral buildup.

Daily: Empty and rinse tank if not in use for >24 hours.
Weekly: Clean tank with mild soap and water; rinse thoroughly.
Monthly: Descale with white vinegar solution (1:1 vinegar/water).
Dry all parts completely before reassembly.
Replace water filter every 1-2 months (if using filter model).

WARNING! Unplug before cleaning. Never immerse base in water.

Using Essential Oils

Only use designated essential oil tray. Do not add oils to water tank.

Ensure humidifier is off and unplugged.
Pull out essential oil tray from side compartment.
Add 3-5 drops of pure essential oil to tray.
Slide tray back into compartment.
Operate as normal; mist will carry aroma.

CAUTION! Use only 100% pure essential oils. Clean tray after each use.

Safety Information

Read all instructions before use.

Use only with 120V AC outlet.
Keep away from water sources to prevent electric shock.
Do not operate without water in tank.
Place on flat, stable surface.
Do not cover mist outlet or air vents.
Unplug when not in use for extended periods.
Keep out of reach of children and pets.

WARNING! Risk of fire or electric shock if misused.

Regulatory Information

Troubleshooting

Symptom	Possible Cause	Corrective Action
No mist output	Empty tank/low water	Refill water tank; ensure proper seating.
Weak mist	Mineral buildup	Clean tank and ultrasonic plate with vinegar solution.
Humidifier not turning on	Power issue	Check power connection; ensure outlet is working.
Water leakage	Improper assembly	Check tank seal and base alignment; reassemble properly.
Unusual noise	Vibration or debris	Place on flat surface; check for objects near fan.
Display not working	Power surge	Unplug for 5 minutes, then restart.
Bad odor	Dirty tank or stale water	Clean thoroughly with vinegar; use distilled water.

Reset: Unplug for 10 minutes to reset electronic controls.

Service: 1-888-726-8520; www.levoit.com/support