
Section 6 Refrigeration System
6-25
7. Is other special equipment required to
service HFC refrigerants?
No. Standard refrigeration equipment such as
gauges, hoses, recovery systems, vacuum
pumps, etc., are generally compatible with
HFC refrigerants. Consult your equipment
manufacturer for specific
recommendations for converting existing
equipment to HFC usage. Once designated
(and calibrated, if needed) for HFC use,
the equipment should be used only with
HFC refrigerants.
8. Do I have to recover HFC refrigerants?
Yes. Like other refrigerants, government
regulations require recovering HFC
refrigerants.
9. Will R-404A or R-134A separate if there
is a leak in the system?
No. Like R-502, the degree of separation is
too small to detect.
10. How do I charge a system with HFC
refrigerant?
The same as R-502. Manitowoc
recommends charging only liquid
refrigerant into the high side of the
system.
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