Broan 350 Users Manual
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2015-02-02
: Broan Broan-350-Users-Manual-396280 broan-350-users-manual-396280 broan pdf
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MODELS 350 • 350BK • 350BR • 355 • 355BK • 355BR 356 • 356BK • 356BR • 358 ROOF-MOUNT POWERED ATTIC VENTILATOR Page 1 READ AND SAVE THESE INSTRUCTIONS WARNING CAUTION TO REDUCETHE RISK OF FIRE, ELECTRIC SHOCK, OR INJURY 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 address or telephone number listed in the warranty. 2. Before servicing or cleaning unit, switch power off at service panel and lock the service disconnecting means to prevent power from being switched on accidentally. When the service disconnecting means cannot be locked, securely fasten a prominent warning device, such as a tag, to the service panel. 3. Installation work and electrical wiring must be done by a qualified person(s) in accordance with all applicable codes and standards, including fire-rated construction codes and standards. 4. Sufficient air is needed for proper combustion and exhausting of gases through the flue (chimney) of fuel burning equipment to prevent backdrafting. Follow the heating equipment manufacturer's guidelines and safety standards such as those published by the National Fire Protection Association (NFPA), and the American Society for Heating, Refrigeration and Air Conditioning Engineers (ASHRAE), and the local code authorities. 5. When cutting or drilling into wall or ceiling, do not damage electrical wiring and other hidden utilities. 6. The wiring must be permanent. DO NOT USE AN EXTENSION CORD! Use 14 GA. MINIMUM copper wire.Although the Powered Attic Ventilator may be wired directly to power, we advise that some type of shut off switch be installed in the line. Please see the section on electrical wiring for suggested wiring diagrams and instructions. 7. This unit must be grounded. 8. Do not use this unit with any solid state speed control device (Models 356 and 358 only). 1. For general ventilating use only. Do not use to exhaust hazardous or explosive materials and vapors. 2. To avoid motor bearing damage and noisy and/or unbalanced impellers, keep drywall spray, construction dust, etc. off power unit. 3. This unit has an unguarded impeller. Do not use in locations readily accessible to people or animals. 4. Fan is equipped with a thermostat which may start fan automatically. To reduce risk of injury or electric shock while servicing or cleaning unit, switch power off at service panel and lock service panel to prevent power from being switched on accidentally. When the service disconnecting means cannot be locked, securely fasten a prominent warning device, such as a tag, to the service panel. 5. Home Ventilating Institute (HVI) recommends one square foot of open air inlet per 300 cfm of fan capacity. The best location for these air intake vents are under the eaves with direct access to the attic. Failure to provide these intakes could cause natural-draft gas appliances to backdraft. 6. Your attic fan installation will create a screened opening into your attic space. During a heavy rain storm there could be a light spray of rain into this attic space. This is a normal condition with all attic ventilators and will not cause any damage to the structure. We recommend that you do not store any valuable articles directly under the fan opening in the roof. During extreme rain and wind storms you may want to turn on your attic ventilator to prevent excess moisture accumulation in your attic. 7. Records show, under ideal conditions, exposed galvanized steel can remain rust free up to 100 years. For best protection, the exposed portion of the roof sheet should be painted, especially in areas of unusually high industrial air pollution. Follow paint manufacturer's instructions for good adhesion. 8. This ventilator is intended for roof installation. The Broan Model 353 Gable Mount Ventilator is available for side wall applications. 9. The dome may be painted with a high-quality paint. Follow the paint manufacturer's recommendations for PVC plastic or aluminum, as appropriate. 10. Please read specification label on product for further information and requirements. TOOLS AND MATERIALS REQUIRED Slotted Screwdriver r Drill r 1/4" Drill Bit r Sabre Saw or Keyhole Saw r Hammer r Ruler r Pencil r Utility Knife r Pry Bar (to remover roofing nails) r Roofing Cement r Galvanized Roofing Nails (1¾" min.) r Electrical Supplies (to comply with codes) r MODELS 350 • 350BK • 350BR • 355 • 355BK • 355BR 356 • 356BK • 356BR • 358 Page 2 3. Drill a guide hole through the roof at this mark. 1. Locate the ventilator at the center of the rear slope of the roof. Place it as high on the roof as possible. The location should be free of obstacles (T.V. leads, electrical lines, etc.) If the ventilator top is level with the roof peak, it can't be seen from the street. Keep this approximate location in mind as you work from within the attic. 1 2 3 4 5 6 7 8 4. Cut out the template found on the carton. 9 5. Push a large nail through the center of the cardboard template and into the guide hole. 2. Mark a spot halfway between rafters. Using the large half of the template, draw a 17½" diameter circle on the shingles. MODELS 350 • 350BK • 350BR • 355 • 355BK • 355BR 356 • 356BK • 356BR • 358 Page 3 6. Cut out the shingles inside of the circle. 7. Replace template over guide hole and draw a 14-3/8" diameter circle on the black paper or roof boards using the smaller half of the template. 8. Drill a large starting hole for the sabre saw just inside of the line. 9. Cut out the roof board(s) inside of the line. 10. For proper removal of roofing nails, draw a 22" square, centered around the hole. Remove nails holding shingles down from top two-thirds of square. 11. Slide the flashing under the shingles. Start two-thirds of the way down from the top of the 22" square. Do not bend the shingles any more than necessary. Center the ventilator over the hole. MODELS 350 • 350BK • 350BR • 355 • 355BK • 355BR 356 • 356BK • 356BR • 358 Page 4 12. Carefully lift shingles and nail flashing securely to the roof using galvanized roofing nails. 13. Using a good grade of roofing cement material, seal all of the shingles and heads of nails. DO NOT seal the bottom edge of the flashing. MODELS 350 • 350BK • 350BR • 355 • 355BK • 355BR 356 • 356BK • 356BR • 358 Page 5 1. Remove the thermostat wiring box cover plate. Bring the power cable at least 6" into the ventilator wiring box. Fasten power cable to box with appropriate connector. BLACK THERMOSTAT RED BLACK TO MOTOR GROUND TO SWITCH BOX BLACK TO MOTOR HUMIDISTAT THERMOSTAT WHITE MOTOR VENTILATOR WIRING BOX BLACK BLACK VENTILATOR WIRING BOX GROUND TO SWITCH BOX TO HUMIDISTAT THERMOSTAT BY-PASS SWITCH WHT RED WHT GROUND TO SWITCH BOX RED GRD MOTOR BLK GROUND TO SWITCH BOX BLACK GRD WHITE WHITE BLACK 120 VOLTS LINE IN THERMOSTAT BY-PASS SWITCH (SHOULD NORMALLY BE IN “OFF” POSITION) WHT 120 VOLTS LINE IN BLK MASTER ON-OFF SWITCH GRD WHITE MASTER ON-OFF SWITCH BLK BLK WHITE WHT BLACK GRD WHITE MASTER ON-OFF SWITCH This diagram shows how to wire a humidistat. MASTER ON-OFF SWITCH 2. For standard installation, connect the two leads in the thermostat wiring box to the two power leads. Attach ground wire from the power cable to the green screw in the box. BLACK RED THERMOSTAT WHITE MOTOR BLACK 4. The thermostat setting determines the temperature at which the ventilator turns “on”. The ventilator automatically turns off when the attic temperature is 10OF lower than the thermostat. If you want the ventilator to operate at a different temperature, insert a screwdriver into the slot and turn the indicator to the desired temperature. BLACK TO MOTOR 3. Replace the metal cover plate over the thermostat wiring box and fasten securely. The ventilator will now turn “ON” at this temperature and “OFF” 10OF lower. GROUND TO SWITCH BOX VENTILATOR WIRING BOX 70OF GROUND TO SWITCH BOX WHT RED WHITE FAN ON GRD THERMOSTAT BY-PASS SWITCH 90OF BLK RED 100 OF TEMPERATURE 110OF 130 OF 120 VOLTS LINE IN THERMOSTAT BY-PASS SWITCH (SHOULD NORMALLY BE IN “OFF” POSITION) WHT MASTER ON-OFF SWITCH GRD WHITE BLK BLACK 80OF MASTER ON-OFF SWITCH This diagram shows how to by-pass the thermostat to turn the ventilator on or off manually. 120 OF Indicator shown rotated fully counterclockwise for a setting of 70OF. MODELS 350 • 350BK • 350BR • 355 • 355BK • 355BR 356 • 356BK • 356BR • 358 Page 6 SERVICE PARTS KEY NO. PART NUMBER DESCRIPTION 1 2 99150493 99110689 99111463 99111462 98005419 97006971 97009316 97009317 97015612 97008505 98008298 99170254 99260465 99150524 99170245 98009756 98009886 99150471 99030144 97005329 990717160 990717161 990717162 990717250 990722489 990722490 990722491 990722492 990722493 990722494 99250948 #8B-18 x 1/2 Sheet Metal Screw* (3 Required) Plastic Dome (Models 350, 355, 356) Plastic Dome, Black (Models 350BK, 355BK, 356BK) Plastic Dome, Brown (Models 350BR, 355BR, 356BR) Aluminum Dome (Model 358) Fan Blade with Setscrew Motor (Models 350, 350BK, 350BR) Motor (Models 355, 355BK, 355BR, 358) Motor (Models 356, 356BK, 356BR) Roof Plate Assembly Motor Mount Band (3 Required) Screw, 5/16-18 x 3/4 Hex Head Machine Screw* (3 Required) Nut, 5/16-18 Hex* (3 Required) Screw, 1/4 -20 x 1/2* (3 Required) #8B-18 x 3/8 Sheet Metal Screw* (3 Required) Wiring Box (Models 350, 350BK, 350BR, 355, 355BK, 355BR, 358) Wiring Box (Models 356, 356BK, 356BR) Green Ground Screw, #10-32 x 1/2 Hex Washer Head* Adjustable Thermostat Lead Wire Assembly Wiring Box Cover with Label (Model 350) Wiring Box Cover with Label (Model 355) Wiring Box Cover with Label (Model 358) Wiring Box Cover with Label (Model 356) Wiring Box Cover with Label (Model 350BR) Wiring Box Cover with Label (Model 350BK) Wiring Box Cover with Label (Model 355BR) Wiring Box Cover with Label (Model 355BK) Wiring Box Cover with Label (Model 356BR) Wiring Box Cover with Label (Model 356BK) Washer* (3 Required) 3 4 5 6 7 8 9 10 11 12 13 14 15 & 16 **17 *Standard Hardware. May be purchased locally. **May be removed when serviced. MODELS 350 • 350BK • 350BR • 355 • 355BK • 355BR 356 • 356BK • 356BR • 358 Page 7 SERVICE PARTS Replacement parts can now be ordered on our website. Please visit us at www.Broan.com MODELS 350 • 350BK • 350BR • 355 • 355BK • 355BR 356 • 356BK • 356BR • 358 Page 8 WARRANTY BROAN-NUTONE ONE YEAR LIMITED WARRANTY Broan-NuTone warrants to the original consumer purchaser of its products that such products will be free from defects in materials or workmanship for a period of one year from the date of original purchase. THERE ARE NO OTHER WARRANTIES, EXPRESS OR IMPLIED, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE. During this one-year period, Broan-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 Broan-NuTone), faulty installation or installation contrary to recommended installation instructions. The duration of any implied warranty is limited to the one-year period as specified for the express warranty. Some states do not allow limitation on how long an implied warranty lasts, so the above limitation may not apply to you. BROAN-NUTONE’S OBLIGATION TO REPAIR OR REPLACE, AT BROAN-NUTONE’S OPTION, SHALL BE THE PURCHASER’S SOLE AND EXCLUSIVE REMEDY UNDER THIS WARRANTY. BROAN-NUTONE SHALL NOT BE LIABLE FOR INCIDENTAL, CONSEQUENTIAL OR SPECIAL DAMAGES ARISING OUT OF OR IN CONNECTION WITH PRODUCT USE OR PERFORMANCE. Some states do not allow the exclusion or limitation of incidental or consequential damages, so the above limitation or exclusion may not apply to you. This warranty gives you specific legal rights, and you may also have other rights, which vary from state to state. This warranty supersedes all prior warranties. To qualify for warranty service, you must (a) notify Broan-NuTone at the address or telephone number below, (b) give the model number and part identification and (c) describe the nature of any defect in the product or part. At the time of requesting warranty service, you must present evidence of the original purchase date. Broan-NuTone LLC Hartford, Wisconsin www.broan.com 800-558-1711 99044488A
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