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Originally Posted by supremeBaleno Ivor and luke,
You guys are right about that. Running the blower (fan) at the lower speeds would give you more FE than running it full blast. I had this doubt myself and wrote to MUL. I am quoting below what their engineer replied to me :
"The fuel consumption in the final speed of blower will be marginally higher than when the speed is at the lowest. This is due to the fact that the compressor cut off at higher blower speed is minimum or almost nil and hence the AC compressor load on the engine is relatively constant. Whereas in lowest blower speed the cut-off pf compressor is frequent and hence the load on engine is lesser intermittently." |
let us take the example of an auto climate control car. Assuming we set the temp at 21 degrees, wouldnt the compressor work till that temp is reached at first and then continue to maintain the same. If this is correct, isnt it true that the irrespective of the fan speed, the compressor will work on cooling the cabin to the required temp.? the higher the fan sped, the greater the reach and cooling capacity and when the fan speed is lower, the time required to cool the entire cabin is more which means the compressor has to run for a longer time.??