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I get that, but at 3 amps it is drawing the same 25W as the heater !!!
The power supply is 3 amps@ 12 volts, for both the heater and the fan. So, if you say the heater is 25w, then the fan would only be 11w max. At approx. 1000w per HP, that would put the fan somewhere around 1/100 of an HP. Not much.
I just looked at my more than adequate fan .... it's 2W.
At 11W I would be expecting to drive a 7" fan ... more air, slower turning and quieter.
I get that, but at 3 amps it is drawing the same 25W as the heater !!!
The power supply is 3 amps@ 12 volts, for both the heater and the fan. So, if you say the heater is 25w, then the fan would only be 11w max. At approx. 1000w per HP, that would put the fan somewhere around 1/100 of an HP. Not much.
I just looked at my more than adequate fan .... it's 2W.
At 11W I would be expecting to drive a 7" fan ... more air, slower turning and quieter.