Gree GMV-72WM/B-U Owner's Manual page 19

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When the distance between outdoor units exceeds 2m(6-1/2ft.), U-type oil trap

should be added at low pressure gas pipe. a+c≤10m(32-7/8ft.);b+c≤10m(32-7/8ft.);d≤10m (32-7/8ft.).

4.3.5 Fitting pipe between Outdoor Unit and the First Manifold

4.3.5.1 For single module system, pipe size (between outdoor unit and the first manifold) is

determined by that of outdoor unit.

Pipe size of basic outdoor module is shown as follows:

Basic Module

GMV-72WM/B-U(U)

GMV-96WM/B-U(U)

GMV-120WM/B-U(U)

Fig.4.3.6

Fig.4.3.7

Pipe between ODU and the first branch of IDU

Gas Pipe mm(inch)

Φ19.05(3/4)

Φ22.2(7/8)

Φ28.6(1-1/8)

GMV DC Inverter VRF

Liquid Pipe mm(inch)

Φ9.52(3/8)

Φ12.7(1/2)

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