Installation Manual
11
ENGLISH
1. Always use the copper pipe cutter when cutting the pipe.
2. Always remove the burr.
(Keep the end of the pipe facing down during the work and make sure that the burr does
not get inside the pipe.)
EXPANSION KIT Installation
n
Always cut in a straight
line for the cut part.
CAUTION
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If the burr gets inside, it can cause leakage of refrigerant. Therefore always
remove the burr with a reamer.
n
Cut pieces can cause problems when they go inside the pipe.
CAUTION
n
Always make sure that the refrigerant is not leaking during the welding.
n
When the refrigerant is burnt, it generates a toxic gas hazardous to the human
body.
n
Do not proceed the welding work in a closed location.
n
After the pipe welding, always do a leakage test.
WARNING
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When welding the part, always pass it through nitrogen. If not, the compressor
may not work or can be damaged.
n
Before/After the welding, wrap the area with a wet water cloth. If not, the part
can be damaged.
n
Use a protective panel or pay special attention so that the welding torch flame
does not directly touch AHU casing.
n
After the welding, always do a leakage test.
CAUTION
Copper
pipe cutter
Pipe
Pipe
Pipe
Reamer
Reamer
Tilted Rough
Cut pieces
Pipe cutting work
Summary of Contents for PATX13A0E
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