MODELS QTRN050F • QTRN080 • QTRN110Page WARNINGTO REDUCE THE RISK OF FIRE, ELECTRIC SHOCK, OR IN-JURY TO PERSONS, OBSERVE THE FOLLOWING:1. Use this unit only in the manner intended by the manufacturer.If you have questions, contact the manufacturer at the addressor telephone number listed in the warranty.2. Before servicing or cleaning unit, switch power off at servicepanel and lock the service disconnecting means to preventpower from being switched on accidentally. When the ser-vice disconnecting means cannot be locked, securely fastena prominent warning device, such as a tag, to the servicepanel.3. Installation work and electrical wiring must be done by aqualified person(s) in accordance with all applicable codesand standards, including fire-rated construction codes andstandards.4. Sufficient air is needed for proper combustion and exhaustingof gases through the flue (chimney) of fuel burning equip-ment to prevent backdrafting. Follow the heating equipmentmanufacturer’s guideline and safety standards such as thosepublished by the National Fire Protection Association (NFPA),and the American Society for Heating, Refrigeration and AirConditioning Engineers (ASHRAE), and the local code authori-ties.5. When cutting or drilling into wall or ceiling, do not damageelectrical wiring and other hidden utilities.6. Ducted fans must always be vented to the outdoors.7. Acceptable for use over a tub or shower when connected toa GFCI (Ground Fault Circuit Interrupter) - protected branchcircuit (ceiling installation only).8. This unit must be grounded.CAUTION1. For general ventilating use only. Do not use to exhaust hazard-ous or explosive materials and vapors.2. This product is designed for installation in ceilings up to a12/12 pitch (45 degree angle). Duct connector must point up.DO NOT MOUNT THIS PRODUCT IN A WALL.3. To avoid motor bearing damage and noisy and/or unbalancedimpellers, keep drywall spray, construction dust, etc. off powerunit.4. Please read specification label on product for further informa-tion and requirements.QTRN SERIESULTRA SILENT TMFANSREAD AND SAVE THESE INSTRUCTIONSCLEANING & MAINTENANCEWARRANTYInstaller: Leave this manual with the homeowner.For quiet and efficient operation, long life, and attractive appear-ance - lower or remove grille and vacuum interior of unit with thedusting brush attachment.The motor is permanently lubricated and never needs oiling. If themotor bearings are making excessive or unusual noises, replacethe motor with the exact service motor. The impeller should alsobe replaced.OPERATIONUse an on/off switch or solid-state speed control to operate thisventilator. See “Connect Wiring” for details.To register this product visit:www.nutone.comNUTONE THREE YEAR LIMITED WARRANTYNuTone warrants to the original consumer purchaser of its products thatsuch products will be free from defects in materials or workmanship fora period of three years from the date of original purchase. THERE ARENO OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUTNOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY ORFITNESS FOR A PARTICULAR PURPOSE.During this three-year period, NuTone will, at its option, repair or replace,without charge, any product or part which is found to be defective undernormal use and service.THIS WARRANTY DOES NOT EXTEND TO FLUORESCENT LAMPSTARTERS AND TUBES. This warranty does not cover (a) normal main-tenance and service or (b) any products or parts which have been subjectto misuse, negligence, accident, improper maintenance or repair (otherthan by NuTone), faulty installation or installation contrary to recommendedinstallation instructions.The duration of an implied warranty is limited to the three-year period asspecified for the express warranty. Some states do not allow limitationon how long an implied warranty lasts, so the above limitation may notapply to you.NUTONE’S OBLIGATION TO REPAIR OR REPLACE, AT NUTONE’S OP-TION, SHALL BE THE PURCHASER’S SOLE AND EXCLUSIVE REMEDYUNDER THIS WARRANTY. NUTONE SHALL NOT BE LIABLE FOR INCI-DENTAL, CONSEQUENTIAL OR SPECIAL DAMAGES ARISING OUT OFOR IN CONNECTION WITH PRODUCT USE OR PERFORMANCE. Somestates do not allow the exclusion or limitation of incidental or consequentialdamages, so the above limitation may not apply to you.This warranty gives you specific legal rights, and you may also have otherrights, which vary from state to state. This warranty supersedes all priorwarranties.To qualify for warranty service, you must (a) notify NuTone at the addressor telephone number stated below, (b) give the model number and partidentification and (c) describe the nature of any defect in the product orpart. At the time of requesting warranty service, you must present evidenceof the original purchase date.Broan-NuTone LLC Hartford, Wisconsinwww.nutone.com 888-336-3948