Manitowoc Ice STH003 manual

4.Recovered refrigerant must come from a “contaminant-free” system. To decide whether the system is contaminant free, consider:

•Type(s) of previous failure(s)

•Whether the system was cleaned, evacuated and recharged properly following failure(s)

•Whether the system has been contaminated by this failure

•Compressor motor burnouts and improper past service prevent refrigerant re-use.

•Refer to “System Contamination Cleanup” to test for contamination.

5.“Substitute” or “Alternative” Refrigerant

•Must use only Manitowoc-approved alternative refrigerants.

•Must follow Manitowoc-published conversion procedures.

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