Gree GMV-S120WL/A-S Manuel Du Propriétaire page 21

(2) Piping diagram of outdoor unit, hydro box:
4.3.7 Installation of Y-type Branch
(1) Y-type branch
(2) Y-type branch has several pipe sections with different dimension, which facilitates to match with
various copper pipes. Use pipe cutter to cut in the middle of the pipe section that is of proper
dimension and remove burrs as well. See Fig.16.
(3) Y-type branch must be installed vertically or horizontally.
(4) Branch shall be isolated by insulating material that can bear 120°or even higher temperature. The
attached foam of branch cannot be taken as insulating material.
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Fig.17
Fig.18
Fig.19
16