Increasing Airflow through Condenser.
The new DC only compressor fridge I will soon have in my possession has a 92 mm computer muffin fan pulling air through only a portion(~85%) of the ~120mm tall condenser. It then blows this warmed a...
Forum Discussion
I Did a little more airflow modification today while I had the fridge out for fitting the insulated soft shelf it will reside upon.
There was some not so dead air space above the fridge that could have allowed warmed air to be sucked back into the condenser fan, but today I eliminated that possibility.
It is hard to see in the pics due to the flexfix reflective tape.
Here is my stainless steel cooling unit tunnel. Thin aluminum angle is riveted to it to hold it in place on the back of the fridge. It sits flush.
Here is looking into the tunnel from the adjacent cabinet with the fridge installed. There is an unrestricted path for fresh air to enter the condenser fan from below.
I have a foam board vertical hatch that prevents air from entering the adjacent cabinet and forces it to make a 180* turn and be forced out the louvered vent. No possibility now that warmed air can be recycled into the condenser though a small percentage can be forced into the adjacent cabinet now. The fan has to suck air from behind and under he fridge.
I am going to re enforce the top of this foamboard hatch and make some passive vents up high that I can close off to direct airflow out the louvered vent as it is now. Or I can open those vents in the hatch, close the louvered vent window and allow the air to enter the adjacent cabinet where I will have another vent to allow the warmed air into the living space in cold weather.
There was some not so dead air space above the fridge that could have allowed warmed air to be sucked back into the condenser fan, but today I eliminated that possibility.
It is hard to see in the pics due to the flexfix reflective tape.
Here is my stainless steel cooling unit tunnel. Thin aluminum angle is riveted to it to hold it in place on the back of the fridge. It sits flush.
Here is looking into the tunnel from the adjacent cabinet with the fridge installed. There is an unrestricted path for fresh air to enter the condenser fan from below.
I have a foam board vertical hatch that prevents air from entering the adjacent cabinet and forces it to make a 180* turn and be forced out the louvered vent. No possibility now that warmed air can be recycled into the condenser though a small percentage can be forced into the adjacent cabinet now. The fan has to suck air from behind and under he fridge.
I am going to re enforce the top of this foamboard hatch and make some passive vents up high that I can close off to direct airflow out the louvered vent as it is now. Or I can open those vents in the hatch, close the louvered vent window and allow the air to enter the adjacent cabinet where I will have another vent to allow the warmed air into the living space in cold weather.
