Hussmann Freezer Gelato Pan Rack (For 12 Pans) For Model DCSG-12 or DCCG-12 Dipping Cabinets "replace gas line 5 22" Questions

...gas till pressure reached about 10-15 psi on suction & 140 psi head (7 oz more),suction line started to freeze up so i recoverd some until ice went away ,subcooling is about 10 deg,ran ok for ...