Piping Work Requirements - Gree Ultra Heat GMV Multi VRF Series Owner's Manual

Ultra Heat GMV Multi VRF

3.3 Piping Work Requirements

There should be no fall among outdoor modules. Refer to the table below for piping work
requirements.
Outer diameter (mm/inch)
Φ6.35(1/4)
Φ9.52(3/8)
Φ12.70(1/2)
Φ15.9(5/8)
Φ19.05(3/4)
Φ22.2(7/8)
Φ25.40(1/1)
Φ28.60(9/8)
Φ31.80(5/4)
Φ34.90(11/8)
Φ38.10(12/8)
Φ41.30(13/8)
Φ44.5(7/4)
Φ51.4(7/4)
Φ54.1(17/8)
R410A Refrigeratn System
Wall thickness (mm)
≥0.8
≥0.8
≥0.8
≥1.0
≥1.0
≥1.2
≥1.2
≥1.2
≥1.3
≥1.3
≥1.5
≥1.5
≥1.5
≥1.5
≥1.5
11
Type
0
0
0
0
0
1/2H
1/2H
1/2H
1/2H
1/2H
1/2H
1/2H
1/2H
1/2H
1/2H