Haier 1U71S2SS5FA - Page 13

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6.1. Necessary Tools and Materials
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Tools/Materials Use Notes
*DXJH0DQLIRO Evacuating,refrigerant
charging
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Charging Hose Evacuating, refrigerant
charging
Hose diameter larger than the concentional ones.
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Equipment
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top of the cylinder.
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Port
5HIULJHUDQWFKDUJLQJ Hose diameter larger than the conventional ones.
Flare Nut Connecting the unit to piping 8VH7\SH)ODUHQXWV
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Tools/Materials Use Notes
*DVOHDNGHWHFWRU Detection of gas leaks The ones for HFC type refrigerant may be used.
Vacuum Pump Vacuum drying 0D\EHXVHGLIDUHYHUVHÀRZFKHFNDGDSWRULV
attached.
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Equipment
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Tools/Materials Use Notes
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Valve
Vacuum drying
Bender Bending pipes
Torque Wrench 7LJKWHQLQJÀDUHQXWV 2QO\DQGKDYHDODUJHU
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Pipe Cutter Cutting pipes
Welder and Nitrogen Cylinder Welding pipes
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9DFXXP*DX]H Checking vacuum degree
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Tools/Materials Use Notes
Charging Cylinder 5HIULJHUDQW&KDUJLQJ 0XVWQRWEHXVHGZLWK532W\SHXQLWV
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