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Thread: Compressor oversizing
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20-01-2011, 11:00 PM #1
Compressor oversizing
Hi.
Looking for some advice. Have a compressor failure ( L'unite Hermetique CAJ2432z) on a foster single door freezer. Customer has a compressor ( CAJ2446z) on site. Same pipe sizes and physical size. New compressor is 1/8hp more powerful than existing. Is it possible to install this more powerful compressor?
Thanks.
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20-01-2011, 11:15 PM #2
Re: Compressor oversizing
CAJ2446 has 43% more duty capability than your original.
Do you have fanned compressor cooling on this model?Brian - Newton Abbot, Devon, UK
Retired March 2015
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20-01-2011, 11:19 PM #3
Re: Compressor oversizing
It's not a fan cooled compressor, brian. Would this make a difference?
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21-01-2011, 08:09 PM #4
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21-01-2011, 08:55 PM #5
Re: Compressor oversizing
normally compressor replacement is based on displacement,type of expansion device. and application -low back pressure for freezers,medium for fridges
caj2432 18.3cm3 displacement 5/8 hp
caj2446 26.15cm3 displacement 3/4hp
low back pressure high start torque.