GMV DC Inverter VRF103.2.5 Considering snow in outdoor unit installationFig.133.3 Piping Work RequirementsThere should be no fall among outdoor modules. Refer to the table below for piping workrequirements.R410A Refrigerant SystemOuter Diameter mm(in.) Wall Thickness mm(in.) TypeΦ6.35(1/4) ≥0.8(1/32) 0Φ9.52(3/8) ≥0.8(1/32) 0Φ12.7(1/2) ≥0.8(1/32) 0Φ15.9(5/8) ≥1.0(3/76) 0Φ19.05(3/4) ≥1.0(3/76) 1/2HΦ22.2(7/8) ≥1.2(1/21) 1/2HΦ28.6(1-1/8) ≥1.2(1/21) 1/2HΦ34.9(1-3/8) ≥1.3(2/39) 1/2HΦ41.3(1-5/8) ≥1.5(1/17) 1/2H
