Materia Ls And Tools Ols - Samsung MXJ-YA1509 Series Installation Manual

3. Materials and Tools 3. Materials and Tools
Problem analysis Problem analysis
R410a refrigerant system has relatively high pressure. R410a refrigerant system has relatively high pressure.
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If material does not meet the pressure-proof standards, If material does not meet the pressure-proof standards,
then it may cause copper pipe explosion. then it may cause copper p
Consequence Consequence
Intensity and material specification doesn't meet Intensity and material specification doesn't meet factory
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requirement and this could lead to explosion while using requirement and this could lead to explosion while using
the product which could even bring personal injury.
the product which could even bring personal injury.
Standard procedure Standard procedure
Installation material requirement Installation material requirement
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Material : phosphorous deoxidized copper, purple Material : phosphorous deoxidized copper, purple
copper pipe copper pipe
Analysis result shows that chemical component should Analysis result shows that chemical component should
meet the below condition (KSD 1651) meet the below condition (KSD 1651)
Cu Cu ≥ ≥ 99.90% ; P 99.90% ; P : 0.015%~0.040% : 0.015%~0.040%
Mechanical properties need to meet KSD 5301
Mechanical properties need to meet KSD 5301
Proper method Proper method
Selecting copper pipe Selecting copper pipe
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C1220T-O(JIS) : Soft type C1220T-O(JIS) : Soft type
Semi-hard type
C1220T-1/2 C1220T-1/2H(JIS) : H(JIS) : Semi-hard type
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Installation guide Installation guide
ipe explosion.
factory