Gree GMV-ND224PH/A-T Manuel D'utilisateur page 19

or stretch the pipe over three times at the same position.
(4) Please use a torque wrench to connect union nut on the indoor unit. See Fig.9.
1) Align the expansion end of copper pipe with the center of threaded joint. Tighten the flare nuts with your
hands;
2) Tighten the flare nuts with torque wrench until you hear "click" sound;
3) Use sponge to wrap the connecting pipe and joints without thermal insulation and tie it up with plastic
tape;
4) A mounting support for the connection pipe is required;
5) The curvature degree of connection pipe should not be small, otherwise the pipe might crack. Installation
personnel should use tube bender when bending the pipe;
6) Don't forcibly stretch the pipe joint, otherwise indoor capillary or other pipes might be damaged and lead
to refrigerant leakage.
4.4.2 Y-type Manifold
（1） Y-type manifold
Field supplied pipe
室外机
Outdoor unit
(2) Y-type manifold has several pipe sections with different pipe size, which facilitates to match with various
copper pipes. Use pipe cutter to cut in the middle of the pipe section with different pipe size and deburr as well.
See Fig.11.
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GMV5 Compact Series VRF Outdoor Unit
Fig.9 Installation of fitting pipe
Outlet 1
出口1
现场用管
Inlet
进口
Fig.10 Y-type manifold
Spanner
现场用管
Field supplied pipe
出口2
Outlet 2
Y型分歧管
Y-type manifold
14
Torque spanner
To the connection
到其它分支管
pipe or indoor unit
或到室内机