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7
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Piping installation
Installer reference guide
32
3(A)MXM+3(A)MXF+4MXM+5MXM
R32 Split series
4P600463-1D – 2021.03
7 Piping installation
In this chapter
7.1 Preparing refrigerant piping
7.1.1 Refrigerant piping requirements
INFORMATION
Also read the precautions and requirements in the
NOTICE
The piping and other pressure-containing parts shall be suitable for refrigerant. Use
phosphoric acid deoxidised seamless copper for refrigerant.
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Piping material:
Phosphoric acid deoxidised seamless copper.
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Piping diameter:
2MXM68
Liquid piping
2× Ø6.4 mm (1/4")
Gas piping
1× Ø9.5 mm (3/8")
1× Ø12.7 mm (1/2")
3MXM40, 3MXM52, 3MXM68, 3AMXM52, 3MXF52, 3AMXF52, 3MXF68
Liquid piping
3× Ø6.4 mm (1/4")
Gas piping
1× Ø9.5 mm (3/8")
2× Ø12.7 mm (1/2")
4MXM68
Liquid piping
4× Ø6.4 mm (1/4")
Gas piping
2× Ø9.5 mm (3/8")
2× Ø12.7 mm (1/2")