Shark DuoClean IZ251U Series Vacuum Cleaner Manual

The Shark DuoClean IZ251U Series is a versatile upright vacuum cleaner featuring DuoClean technology with a soft roller for fine dust and a bristle brush for deep carpet cleaning, Anti-Allergen Complete Seal Technology, LED headlights, a large-capacity dust cup, multiple cleaning modes (Carpet, Hard Floor, Bare Floor), and various attachments for above-floor cleaning. Below are key sections for safety, features, assembly, operation, maintenance, and troubleshooting.

Features at a Glance

Key components: DuoClean floor head, Handle with controls, Dust cup with release, Hose and wand, Attachments (crevice tool, dusting brush, upholstery tool), Power cord.

Assembly & Setup

Unpack and inspect all parts. Assemble before first use.

1. Attach handle: Insert handle into main body until it clicks securely.
2. Connect hose and wand: Attach wand to hose, then connect to vacuum port.
3. Install floor head: Slide floor head onto wand until it locks.
4. Attach accessories: Store attachments on dock or holder as provided.

WARNING! Ensure vacuum is unplugged during assembly. Handle with care to avoid pinching.

First-Time Use

Plug in power cord; select appropriate cleaning mode.

1. Select floor type: Use mode selector for Carpet, Hard Floor, or Bare Floor.
2. Turn on: Press power switch; LED lights will illuminate.
3. Begin vacuuming: Push vacuum forward and back in overlapping strokes.
4. Empty dust cup: Press release button when full; empty into trash.

CAUTION! Keep hair, loose clothing, and fingers away from brushroll and openings.

Specifications

• Model: IZ251U Series.
• Technology: DuoClean with Anti-Allergen Complete Seal.
• Power Source: 120V AC, 60Hz.
• Cord Length: 25 feet.
• Dust Cup Capacity: 0.9 dry quarts.
• Filters: Washable foam and felt filters; HEPA filter optional.
• Attachments: Crevice tool, dusting brush, upholstery tool.
• Weight: Approximately 15 lbs.
• Warranty: 5-year limited warranty.

Controls and Settings

Handle controls: Power switch, Mode selector (Carpet/Hard Floor/Bare Floor), Wand release button.

Indicator Lights: LED headlights on floor head; power indicator on handle.

Mode Settings: Carpet mode (brushroll active for deep cleaning), Hard Floor (reduced suction to prevent scattering), Bare Floor (brushroll off for delicate surfaces). Maintenance: Empty dust cup when full; clean filters monthly; check for blockages.

Using Attachments

For above-floor cleaning: detach wand and connect desired tool.

1. Turn off and unplug vacuum.
2. Press wand release to detach from floor head.
3. Attach crevice tool, dusting brush, or upholstery tool to wand end.
4. Plug in and turn on to use.

Tip: Use dusting brush for shelves and blinds; crevice tool for tight spaces; upholstery tool for furniture.

Cleaning Modes

Optimize cleaning for different surfaces.

1. Carpet Mode: Use for medium to high-pile carpets; brushroll agitates fibers.
2. Hard Floor Mode: For wood, tile, laminate; reduces suction to avoid scattering debris.
3. Bare Floor Mode: For delicate surfaces like hardwood; brushroll disengages.
4. Handheld Mode: Detach wand and attach tool for spot cleaning.

WARNING! Do not use on wet surfaces. Avoid vacuuming large, hard objects that may damage brushroll.

Maintenance & Care

Regular maintenance ensures optimal performance.

1. Empty dust cup: Press release; empty when full; reattach securely.
2. Clean filters: Remove foam and felt filters; rinse with water monthly; air dry completely.
3. Check brushroll: Remove debris wrapped around brushroll; clear any blockages.
4. Inspect hose and wand: Remove obstructions with long object.

CAUTION! Unplug before maintenance. Ensure all parts are dry before reassembly.

Regulatory Information

FCC Part 15: Class B digital device; complies with interference limits for residential use. Copyright © SharkNinja Operating LLC. For support, visit sharkclean.com or contact 1-800-798-7398.

Troubleshooting

Reset: Unplug for 45 minutes if overheated.

Service: 1-800-798-7398; sharkclean.com