Honeywell Humidifier DH835 Manual

The Honeywell DH835 is a cool mist humidifier designed to add moisture to dry indoor air, helping to relieve dry skin, nasal congestion, and other discomforts caused by low humidity. It features a large water tank capacity, adjustable mist output, easy-to-clean design, automatic shut-off, 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. Operation Guide 7. Cleaning & Maintenance 8. Safety Features 9. Care & Storage 10. Regulatory Information 11. Troubleshooting

Features at a Glance

Key components: Water Tank, Base Unit, Mist Nozzle, Control Panel, Filter (if applicable), Power Adapter.

Feature	Description
Large Water Tank	High-capacity tank for extended operation
Adjustable Mist Control	Dial or button to regulate mist output level
Cool Mist Technology	Ultrasonic or evaporative cool mist
Automatic Shut-Off	Turns off when tank is empty
Quiet Operation	Designed for bedroom or office use
Easy-to-Clean Design	Removable parts for simple cleaning
Filter Indicator	Light or reminder to change filter (if equipped)
Night Light	Optional soft illumination
Mist Direction Control	Adjustable nozzle to direct mist flow
Power Cord	Standard AC plug for 120V outlet

Installation & Setup

Unpack and inspect all parts. Place on a flat, stable, water-resistant surface.

Remove all packaging materials from tank and base.
If included, install filter according to instructions (soak if required).
Fill water tank with clean, cool tap water. Do not overfill.
Place tank securely onto base unit.
Plug power cord into a standard 120V AC outlet.

WARNING! Place humidifier on a level surface away from electronics and direct sunlight. Keep out of reach of children.

First-Time Use

Before first use, clean tank and base as described in Cleaning section.

Ensure humidifier is unplugged and tank is empty.
Clean all water-contact surfaces with mild soap and water. Rinse thoroughly.
Fill tank with clean water and place on base.
Plug in unit and turn on using power button.
Adjust mist control to desired setting (Low/Med/High).
Allow a few minutes for mist to appear.

CAUTION! Use only clean, cool tap water. Do not add oils, chemicals, or medications unless specified.

Specifications

Model: Honeywell DH835 Cool Mist Humidifier.
Tank Capacity: [e.g., 1.5 gallons] (approx. runtime: up to 24 hours on low).
Mist Output: Adjustable, up to [e.g., 1.2 gallons per day].
Technology: Ultrasonic or evaporative cool mist.
Coverage Area: Up to [e.g., 500 sq. ft.].
Power: 120V AC, 60Hz.
Noise Level: Quiet operation (< 30 dB on low).
Dimensions: [e.g., 12" H x 10" W x 8" D].
Weight: [e.g., 5 lbs. empty].
Filter Type: [e.g., Wick filter, replaceable every 1-2 months].

Controls and Settings

Control Panel: POWER button, MIST LEVEL control (Low/Med/High), optional NIGHT LIGHT button, FILTER indicator.

Operation: Press POWER to turn on/off. Rotate MIST knob or press buttons to adjust output. If equipped, press NIGHT LIGHT for soft illumination.

Settings: Low for quiet nighttime use, Medium for general comfort, High for rapid humidification. Automatic shut-off activates when water level is low.

Operation Guide

Daily operation steps for optimal performance.

Ensure unit is on a flat, stable surface.
Fill tank with clean, cool water. Replace tank on base.
Plug in power cord and press POWER button.
Adjust MIST control to desired setting.
Direct mist nozzle away from walls and furniture.
When tank is empty, unit will automatically shut off. Refill as needed.
To turn off, press POWER button or unplug.

Tip: Use distilled or demineralized water to reduce white dust (mineral deposits).

Cleaning & Maintenance

Regular cleaning prevents mold and mineral buildup.

Daily: Empty any remaining water, rinse tank.
Weekly: Disassemble and clean tank, base, and nozzle with mild soap and water. Use vinegar solution (1 part white vinegar to 2 parts water) to descale if needed. Rinse thoroughly.
Filter Care: If equipped, replace filter every 1-2 months or as indicated. Rinse reusable filters weekly.
Dry: Allow all parts to air dry completely before reassembly or storage.

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

Safety Features

Automatic Shut-Off: Turns off when water tank is empty or removed. Tip-Over Protection: Shuts off if unit is knocked over. Overheat Protection: Built-in safety to prevent overheating.

Care & Storage

When not in use for extended periods, store properly.

Unplug unit and empty all water.
Clean thoroughly as per Cleaning section.
Allow all parts to dry completely.
Reassemble and store in original box or dry location.
Do not store with water in tank.

CAUTION! Store in a cool, dry place away from direct sunlight.

Regulatory Information

Troubleshooting

Symptom	Possible Cause	Corrective Action
No mist output	Empty tank, low setting, clogged nozzle	Refill tank; increase mist setting; clean nozzle.
Unit not turning on	Not plugged in, power issue	Check power connection; try different outlet.
White dust around unit	Minerals in water	Use distilled or demineralized water; clean more frequently.
Water leakage	Overfilled tank, loose parts, crack	Do not overfill; ensure tank is seated properly; check for damage.
Unusual noise	Low water, vibrating surface	Refill tank; place on level surface; check for obstructions.
Bad odor	Dirty tank or filter	Clean tank and base thoroughly; replace filter if equipped.

Reset: Unplug for 10 minutes, then restart.

Service: 1-800-333-6777; www.honeywellhome.com