Gree GMV MTAC VRF Series, Service Manual

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Gree GMV MTAC VRF for North America
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5.4 Dimension of Pipe between Indoor Branches
Select pipe between indoor branches according to the capacity of downstream indoor units; if
the capacity exceeds that of the outdoor unit, capacity of outdoor unit prevails.
GMV-12WP/A-T(U):
Total capacity of downstream indoor units C (Btu/h) Pipe (mm/inch) Liquid pipe (mm/inch)
C ≤19000
Φ 12.7
( Φ 1/2)
Φ 6.35
( Φ 1/4)
19000<C≤48500
Φ 15.9
( Φ 5/8)
Φ 9.52
( Φ 3/8)
48500<C≤ 76400
Φ 19.05
( Φ 3/4)
Φ 9.52
( Φ 3/8)
5.5 Dimension of Pipe between Indoor Branch and IDU
Dimension of pipe between indoor branch and IDU should be consistent with the dimension of
indoor pipe.
GMV-12WP/A-T(U):
Rated capacity of IDU C(Btu/h) Gas pipe (mm/inch) Liquid pipe (mm/inch)
C≤9600
Φ 9.52
( Φ 3/8)
Φ 6.35
( Φ 1/4)
9600<C≤17000
Φ 12.7
( Φ 1/2)
Φ 6.35
( Φ 1/4)
17000<C≤48000
Φ 15.9
( Φ 5/8)
Φ 9.52
( Φ 3/8)