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Knowledgebase : Whole House Fans
   

Which Whole House Fan is more energy efficient/quieter? * The Belt Drive is quieter * The Direct Drive is more energy efficient [lower amperage]. What type of wire is required to install my whole house fan? * The whole house fan should be...
A little dated but still worthwhile.
To submit a help ticket click HERE [1] To order replacement parts click www.bvcreplacement.com [2] Why does my fan shake? * Vibration is usually caused by a bent or out of balance fan blade. My fan takes a long time to get to full speed. ...
Wattage is amperage multiplied by voltage. Take the listed amperage from the motor info and multiply by 120 volts to find wattage. keywords - watt, wattage, watts
MOTORS MODEL NO. REPLACEMENT PART DESCRIPTION REPLACEMENT MOTOR NO. CX242DD 750 RPM, 2-speed, Direct Drive, 60 Hz PSC XE408A CX302DD 750 RPM, 2-speed, Direct Drive, 60 Hz PSC XE408A CX24BD2SPD 1075 RPM, 2-speed, Belt Drive, 60 Hz PSC XE42...
THANK YOU FOR YOUR INTEREST IN COOL ATTIC WHOLE HOUSE FANS. When selecting a whole house fan, a major consideration is the net free air exhaust area (NFA) required for each model (see chart below). The number, quality, type and size of vents that...
The default password for the Wi-Fi Hub is "myfan" (without the quotations).
JOIST-IN INSTALLATION METHOD This method leaves the ceiling joists intact. Please note that this requires another attic access, since the fan will not fit through the shutter opening with the joist in place. _*Special Note regarding Model CX36BD2SPD...
The whole house fan is designed to only blow air into the attic. The fan is not meant to be installed into a wall to exhaust air from a room. Turning the fan blades over will not make the air move in the opposite direction. It is not possible to rewire th...
All motors have 1/2 inch shafts. All bearing assemblies have 5/8ths inch shafts. The 6 inch pulley has a 5/8ths inch diameter opening. The 2-3 inch pullies have 1/2 inch openings.
Excess exhaust ventilation is preferable too insufficient intake ventilation. If a powered ventilator does not have enough intake ventilation, damage may occur to the motor. If a powered ventilator has too much exhaust ventilation, nothing damaging will o...
_Please be aware that warranty instructions are subject to change - for the most up to date information, please contact us toll-free or visit our Warranty page at https://bvc.com/warranty/ [https://bvc.com/warranty/]_ YOUR WARRANTY CLAIM CAN BE COMPLETE...
The louvers and shutter frame are made entirely out of white powder-coated aluminum.
FAN ROUGH INSIDE SHUTTER OUTSIDE SHUTTER SIZE OPENING** DIMENSIONS DIMENSIONS 24" 25 1/2 x 27 3/4 23 3/4 x 25 1/2 28 x 29 3/4 30" 29 1/4 x 32 27 1/4 x 29 3/4 31 1/2 x 34 36" 37 1/4 x 33 1/2 35 x 31 1/4 39 1/4 x 35 3/4 Length of the veins: ...
Attached is a wiring diagram for the Cool Attic Whole House Comfort Ventilators. It outlines where to connect the two switches to the motor. Please note that all the connections for the fan take place in the wiring compartment on the side of the motor a...