3720 - Household Fan Lasko - Free user manual and instructions

Product Type	Box Fan
Brand	Lasko
Model	3720
Fan Size	20 inches
Dimensions (W x H x D)	20 x 20 x 4 inches
Weight	8.5 lbs
Power Source	120V AC, 60Hz
Power Consumption	80 Watts
Speed Settings	3 speeds (Low, Medium, High)
Control Type	Rotary switch
Oscillation	No
Airflow	Up to 2500 CFM
Safety Features	ETL listed, fused safety plug, overheat protection
Construction Material	ABS plastic housing
Blade Material	Aluminum with plastic hub
Number of Blades	5
Cleaning	Removable front grille for easy cleaning
Warranty	1 year limited warranty
Included Accessories	Owner's manual

Frequently Asked Questions - 3720 Lasko

How do I clean my Lasko 3720 box fan?

Unplug the fan, remove the front grille by unscrewing the four screws, then wipe the blades and grille with a damp cloth. Do not immerse in water.

Can I use the fan outdoors?

This fan is indoor use only. Keep it away from water and moisture to avoid electrical hazards.

Why is my fan making a rattling noise?

Check if the front grille is securely fastened. Loose screws or debris in the blades can cause noise. Tighten all screws and clean the blades.

Does the Lasko 3720 have a remote control?

No, this model uses a manual rotary switch for speed control. No remote is included.

How do I replace the fuse?

Unplug the fan. Locate the fuse holder near the plug (usually inside the plug). Pry it open, replace with a 5A, 125V fuse, and snap shut.

What is the warranty period?

Lasko provides a 1-year limited warranty against defects in materials and workmanship.

Can I adjust the fan tilt?

No, the Lasko 3720 is a box fan designed to sit flat on a floor or window. It has no tilt mechanism.

How many speeds does it have?

It has 3 speeds: Low, Medium, and High, controlled by the rotary switch.

Is the fan energy efficient?

Yes, it consumes only 80W on high, making it energy efficient compared to air conditioners.

What size window does it fit?

The fan measures 20 inches square, so it fits standard double-hung windows. A adjustable expander may be needed for a snug fit.

USER MANUAL 3720 Lasko

DO NOT OPERATE WITH FEET MISSING.

Pure technical line drawing of a mechanical component without any text, numbers, or symbols

Break apart the two Plastic Feet, as shown.

Slide Feet into Slots in the bottom of the metal housing until they snap into position.

WARNING

This appliance has a polarized plug (one blade is wider than the other), the risk of electric shock, this plug is intended to fit in a polarized outlet way. MATCH WIDE BLADE OF PLUG TO WIDE SLOT, FULLY INSEP plug does not fit fully in the outlet, reverse the plug. If it still does not fit, qualified electrician. Do not attempt to defeat this safety feature. This plug is a safety feature. To reduce the risk of fire, electric shock an injury, do not remove, replace, repair or tamper with the originally supp the Fan does not function properly, it may be due to the safety device in this plug. If the plug warning label is missing or damaged, call the to number for a replacement label.

This Fan is for residential use only. It is not intended to be used in commercial, industrial or agricultural settings. This fan does not meet the requirements of NEC Article 547-7.

GENERAL SAFETY INSTRUCTIONS

1. Never insert fingers, pencils, or other foreign objects through the grill.
2. Disconnect Fan when moving it from one location to another.
3. Be sure that the Fan (with feet in place) is on a stable surface when operating, to avoid the chance of it overturning.
4. Disconnect Fan when removing grills for cleaning. Reinstall grills before reconnecting to power supply.
5. WARNING: To reduce the risk of fire, electric shock or personal injury: a) Do not use this Fan with any solid-state speed control device. b) Unplug Fan before cleaning or servicing. c) If you disassemble your Fan, completely reassemble before plugging into outlet, according to instructions.

OPERATION

1. Plug the Fan into any standard 120V AC household outlet.
2. Using the rotary switch, set the desired Fan speed.

MAINTENANCE

1. To clean your Fan, use a soft cloth moistened with a mild soap solution. NEVER IMMERSE ELECTRICAL PARTS IN WATER. Avoid using gasoline, benzene, thinner, hard cleansers, etc. Be certain that the Fan is completely dry before plugging in.
2. Lubrication is not required as your Fan has permanently lubricated bearings.
3. Store in a clean and dry area when not in use.

LASKO PRODUCTS, INC. LIMITED WARRANTY - NOT VALID IN MEXICO

WHAT THIS WARRANTY COVERS: This product is warranted against defects in workmanship and/or materials.

HOW LONG THIS WARRANTY LASTS: This warranty extends only to the original purchaser of the product and lasts for two (2) years from the date of original purchase or the original purchaser of the product sells or transfers the product, whichever first occurs WHAT LASKO WILL DO: During the warranty period, Lasko will, at its sole option, repo or replace any part or parts that prove to be defective or replace the whole product with the same or comparable model.

WHAT THIS WARRANTY DOES NOT COVER: This warranty does not apply if the product was damaged or failed because of accident, improper handling or operational shipping damage, abuse, misuse, unauthorized repairs made or attempted, or the use of the product for commercial or nonresidential service. This warranty does not cover shipping costs for the return of products to Lasko for repair or replacement. Lasko will pay return shipping charges from Lasko following warranty repairs or replacement

ANY AND ALL WARRANTIES, EXPRESSED OR IMPLIED (INCLUDING, WITHOUT LIMITATION, ANY IMPLIED WARRANTY OF MERCHANTABILITY). LAST TWO FROM THE DATE OF ORIGINAL PURCHASE OR UNTIL THE ORIGINAL PURCHASE THE PRODUCT SELLS OR TRANSFERS THE PRODUCT, WHICHEVER FIRST OCC AND IN NO EVENT SHALL LASKO'S LIABILITY UNDER ANY EXPRESS OR IN WARRANTY INCLUDE (I) INCIDENTAL OR CONSEQUENTIAL DAMAGES FROM ANY CAUSE WHATSOEVER, OR (II) REPLACEMENT OR REPAIR OF ANY HOUSE FUSES BREAKERS OR RECEPTACLES. NOTWITHSTANDING ANYTHING TO THE CONTR NO EVENT SHALL LASKO'S LIABILITY UNDER ANY EXPRESS OR IMPLIED WARRE EXCEED THE PURCHASE PRICE OF THE PRODUCT AND ANY SUCH LIABILITY SH TERMINATE UPON THE EXPIRATION OF THE WARRANTY PERIOD. Some states and provinces do not allow limitations on how long an implied warranty lasts or the exclusion or limitation of incidental or consequential damages, so these exclusions or limitations may not apply to you. This warranty gives you specific legal rights. You may also have other rights which vary from state to state and province to province. Proof of purchase is required before a warranty claim will be accepted.

For more information, please visit our website:

www.laskoproducts.com

Customer Service is available to assist you with product questions and replacement parts. Call toll-free 1-800-233-0268 Monday thru Friday 8am-5pm EST.

COVERED BY ONE OR MORE OF THE FOLLOWING US PATENTS: 6,120,248; 6,309,192 B1; D407,478; D413,685; D416,996 AND/OR OTHER PATENTS PENDING

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