DC Inverter Multi VRF System
13
Fig.4.13
Fig.4.14
(2) Pipe connection for GMV-H280WL/A-X, GMV-H335WL/A-X, GMV-280WL/C-X,
GMV-335WL/C-X, GMV-280WL/C1-X, GMV-335WL/C1-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.4.15 and Fig.4.16, 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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