[. . . ] SMOTHER FLAMES with a close-fitting lid, cookie sheet, or metal tray, then turn off the burner. If the flames do not go out immediately, EVACUATE AND CALL THE FIRE DEPARTMENT. You know you have a Class ABC extinguisher and you already know how to operate it. For best capture of cooking impurities, your range hood should be mounted so that the top of the hood is 24-30" above the cooking surface. [. . . ] Remove the Blower Wheel by rocking it side to side and applying a slight force to pull wheel from motor. Slide the ring onto the Small Diameter End of the wheel and down to the Stop Edge of the wheel. WARNING: To reduce the risk of electric shock, make sure power is switched off at the service panel. Lock or tag service panel to prevent power from being switched on accidentally. Slide hood towards wall until mounting screws are engaged in narrow end of (4) Keyholes. Connect house black to hood black wire, house white to hood white wire, and house ground under Green Ground Screw. Replace filters, turn on power at service panel, and test for proper operation. If hood is to be installed Non-Ducted: Purchase a set of (2) Non-Ducted Filters from your local distributor or retailer and attach them to the aluminum mesh filters. nOTE: For models that are installed in the non-ducted mode , the most effective operation is achieved at speeds 1 and 2. These speeds provide the most efficient and quiet operation during cooking, while maximizing the benefits of the recirculating filtration system. WARNING: To reduce the risk of electric shock, disconnect from power supply before cleaning. The special "Clean Sense" feature indicates when the filter is to be replaced. The blue and yellow strips will blend to green when it is time to change the filter. The "Clean Sense" feature works best when facing toward the cooking surface. Do not use abrasive cloth, steel wool pads, or scouring powder on the Teflon®-coated bottom cover or on any painted surface. Use care when cleaning blower wheel - it must not become bent or misaligned. Make sure all surfaces are completely dry before re-installing filters and restoring power. Lights: Press "on/off" button and lights will come on at their previous light level. Delay Off: While fan is running, press the "delay" button to allow the fan to run for 10 minutes and then turn itself off. Filter Change Indicator: The light above "filter" will come on when it is time to clean your grease filters or check your non-ducted filters. [. . . ] During this one-year period, NuTone will, at its option, repair or replace, without charge, any product or part which is found to be defective under normal use and service. tHIS WARRANTY DOES NOT EXTEND TO FLUORESCENT LAMP STARTERS AND TUBES. This warranty does not cover (a) normal maintenance and service or (b) any products or parts which have been subject to misuse, negligence, accident, improper maintenance or repair (other than by NuTone), faulty installation or installation contrary to recommended installation instructions. the duration of an implied warranty is limited to the one-year period as specified for the express warranty. [. . . ]