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3) Use separate thermal insulation pipes for gas and liquid refrigerant pipe.
7.8 Cutting and Flaring work of piping
• Pipe cutting is carried out with a pipe cutter and burs must be removed.
• After inserting the are nut, aring work is carried out.
7.9 On drainage
• Please install the drain hose so as to be downward slope without fail. Please don t do the drainage as shown
below.
• Please pour water in the drain pan of the indoor unit, and confirm that drainage is carried out thoroughly to
outdoor. In case that the attached drain hose is in a room, please apply heat insulation to it without fail.
Flare tooling die
Pipe Pipe diameter Size A (mm)
Liquid side 6.35mm(1/4") 0.8-1.5
Gas side
9.52mm(3/8") 1.0-1.5
12.7mm(1/2") 1.0-1.5
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