ICE MACHINES Q-Model Service Manual

Section 7Refrigeration System7. Is other special equipment required to service HFCrefrigerants?No. Standard refrigeration equipment such asgauges, hoses, recovery systems, vacuum pumps,etc., are generally compatible with HFC refrigerants.Consult your equipment manufacturer for specificrecommendations for converting existing equipmentto HFC usage. Once designated (and calibrated, ifneeded) for HFC use, this equipment should beused specifically with HFC refrigerants only.8. Do I have to recover HFC refrigerants?Yes. Like other refrigerants, government regulationsrequire recovering HFC refrigerants.9. Will R-404A or R-134A separate if there is a leak inthe system?No. Like R-502, the degree of separation is too smallto detect.10. How do I charge a system with HFC refrigerant?The same as R-502. Manitowoc recommendscharging only liquid refrigerant into the high side ofthe system.Part No. 80-1100-3 7-61