36
n tallation anual
5.9 Pipe expanding method
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A: Cut the pipe
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pipe
pipe cutter
uneven
leaning
burr
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Remove the burrs with shaper and prevent the burrs from getting into the pipe.
pipe
shaper
downwards
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D: Put on the union nut
Remove the union nut on the indoor connection pipe and outdoor valve; install the union nut on the pipe.
union pipe
pipe
E: Expand the port
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hard
mold
pipe
Note:
"A" is different according to the diameter, please refer to the sheet below:
Outer diameter(mm)
A(mm)
0D[
Min
Ɏ
1.3
0.7
Ɏ
1.6
1.0
Ɏ
1.8
1.0
Ɏ
2.4
2.2
F: Inspection
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smooth
surface
the length is equal
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leaning
damaged
surface
crack
uneven
thickness
