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25-11-2009, 04:22 PM #1
Retrofit from R-22 to R134a on York YS.
Folks,
Just a few questions regarding the retrofit from R-22 to R-134a on a York YS Screw Chiller (3400KW).
1) Have any of you guys done such a job yet ??
2) Is it a worth while job to do as aposed to replacing chiller (cost effective) ??
3) What is the % loss in refrigerant efficiency ??
4) What are the alternative refrigerants to retrofit to ??
any info or stories regarding my querie would appreciated thanks.....
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