Samsung MXJ-YA1509 Series Installation Manual page 40

2. 2.
Preparation for installation Preparation for installation
Problem analysis Problem analysis
Layer of carbon, rust and dirty fore Layer of carbon, rust and dirty foreign substances were
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found on the outer surface of the copper pipe. found on the outer surface of the copper pipe.
Pipes must not have any scratches, Pipes must not have any scratches, indents or stains
etc. etc.
Consequence Consequence
Such defects decrease the stre Such defects decrease the strength of the pipe which
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may result in explosion or leakage.
may result in explosion or leakage.
Standard procedure Standard procedure
You must select clean and dry copper pipe. You must select clean and dry copper pipe.
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Check inside of the pipe for any dust, water, indents or Check inside of the pipe for any dust, water, indents or
any signs of damage.
any signs of damage.
Proper method Proper method
Select a copper pipe according to the standards.
Select a copper pipe according to the standards.
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ign substances were
indents or stains
ngth of the pipe which