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Old 01-12-2011, 11:17 AM
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maradyne electric fan control install

I bought a maradyne electric fan with an adjustable controller mfa100.Has anyone installed one of these,any hints before I start ,the instructions are a little vague..............thanks Bruce
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Old 01-12-2011, 02:25 PM
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The attached schematic diagram shows the wiring.
The controllers I have used measure the temperature of the coolant. It appears that the Maradyne unit has a sensor that measures the air temperature.
I don't think that would work as good.

vicrod
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File Type: pdf 002 temperature controlled fan.pdf (178.0 KB, 162 views)
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Old 01-14-2011, 12:25 AM
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Not savvy on that exact unit, typically the fan voltage will be switched through a relay. The relay is activated via the water temp at the head or intake manifold. The unit may contain the relay as one device with remote sensor located in a well. Make sure to fuse the elec fan motor as close as possible to the 12 vdc source, use 10-12 gage wire for all the power side wiring typically at 25-30 amps fused but check for correct amp rating.

If this thing is switching based on air temp get rid of it.

TJ
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