Gree GMV-H224WL/A-X Manuel D'utilisateur page 19

（2） Pipe connection for
GMV-H280WL/A-X,GMV-H335WL/A-X,GMV-280WL/C-X,GMV-335WL/C-X:
1) If connection pipe is connected at the front, no special treatment is needed. You can
weld the pipeline directly to connection pipe 1 and connection pipe 2.
2) If connection pipe is connected at the side as shown in Fig.17 and Fig.18, open the
front side plate, rear side plate and connection board. Then open the soundproof
cotton. Use a soldering gun to unsolder connection pipe 1 and connection pipe 2.
Rotate them to a proper angle and install them to their respective position. Seal the
apertures with welding rod. First weld connection pipe 1 (liquid pipe) and then weld
connection pipe 2 (gas pipe). During welding, it's necessary to use wet gauze to wrap
up the filter near connection pipe 2 and the two cut-off valves. Make sure the flame
won't burn the soundproof cotton or other components.
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DC Inverter Multi VRF System
Fig. 16
Fig. 17
16