Electric cooling fan installations
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==Electrical circuitry== | ==Electrical circuitry== | ||
| − | Before installing a radiator mounted cooling fan, make sure you know the amperage requirements of the fan. There are many different fans, with many different blade configurations. Some are straight angle blades, most are different variations of the "S" blade shape, and I have seen a squirrel cage blower offered. They are usually rated by voltage required, and cfm ('''''c'''''ubic '''''f'''''eet of air flow per '''''m'''''inute). | + | Before installing a radiator mounted cooling fan, make sure you know the amperage requirements of the fan. There are many different fans, with many different blade configurations. Some are straight angle blades, most are different variations of the "S" blade shape, and I have seen a squirrel cage blower offered. They are usually rated by voltage required, and cfm ('''''c'''''ubic '''''f'''''eet [of air flow] per '''''m'''''inute). |
An electric motor can draw 150% or more of the running amps when starting up initially. So a fan that runs normally @ 15 amps, will need a circuit capable of supplying at least 24 amps. One way to find the amp draw is to hook up a mechanical ammeter in the supply line. Amperage requirements can vary dramatically between various brands. If the retailer of the fan can't supply the exact specifications of the fan, make sure of the return policy before purchasing. | An electric motor can draw 150% or more of the running amps when starting up initially. So a fan that runs normally @ 15 amps, will need a circuit capable of supplying at least 24 amps. One way to find the amp draw is to hook up a mechanical ammeter in the supply line. Amperage requirements can vary dramatically between various brands. If the retailer of the fan can't supply the exact specifications of the fan, make sure of the return policy before purchasing. | ||
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==External links== | ==External links== | ||
| − | [http://www.pirate4x4.com/tech/taurus/ Ford Taurus fan installation] | + | *[http://www.pirate4x4.com/tech/taurus/ Ford Taurus fan installation] |
| + | *[http://www.hotrodders.com/forum/help-recreating-fan-wiring-diagram-using-derale-controller-gm-stock-221087.html Fan Wiring Diagram Using Derale Controller & GM Stock System | ||
[[Category:Engine]] | [[Category:Engine]] | ||
[[Category:Cooling]] | [[Category:Cooling]] | ||
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