3.6 Position and installation of outlet pipe
1) 10.5kw directly use the external stop valves to connect the pipes.
2) 14kw,16kw use the connecting pipes to get in and out through the knock-off hole of sheet metal (as shown in Fig. 3-5).
4
Knock off the opening of sheet metal
For inlet and outlet of the connecting pipe
Threaded connection
Gas side connecting pipe
Liquid side connecting pipe
Welding
4 Installation of Connecting Pipe
4.1 Refrigerant pipe
1) Flaring
Use a pipe cutter to cut the refrigerant pipe and a pipe expander to flare
Outer
Diameter
(mm)
A(m m )
Maximum
Minimum
8.7
12.4
15.8
19.0
8.3
12.0
15.4
18.6
φ6.4
Φ9.5
Φ12.7
Φ15.9
Fig. 3-5 Schematic Diagram for Connecting Pipe of Outdoor Unit
Fig. 4-1 Cutting Pipe of Connecting Pipe
Table 4-1 Flaring Dimension of Connecting Pipe
Inclined
Rough
Burr
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