Advertisement
P,i.pe
expanding
method_
Note:
Improper pipe expanding is the main cause of refrigerant leakage. Please expand
the pipe according to the following steps:
A: Cut the pipe
_ E: Expand the port
• Confirm the pipe length according to
_ • Expand the port with expander.
the distance of indoor unit and
outdoor unit.
• Cut the required pipe with pipe cutter.
90° i
E
i
i
_pe
cutter
X
×
X
leaning
uneven
burr
i
i
i
B: Remove the burrs
• Remove the burrs with shaper and
prevent the burrs from getting into
the pipe.
pipe
)er
downwards
C: Put on suitable insulating pipe
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 .....
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
!
Note:
• "A" is different according to the
diameter, please refer to the sheet
below:
F: Inspection
• Check the quality of expanding port.
If there is any blemish, expand the
port again according to the steps
above.
smooth
surface
improper
expanding
leaning
damaged
surface
the length is equal
crack
uneven
thickness
-38-
Advertisement
