Cutting/Extending The Piping - Samsung MH040FXA2B Installation Manual

INSTALLING THE INDOOR UNIT

Cutting/Extending the Piping

D
14
E-
08'FJM_OUTDOOR_28896A_IM_E.indd 14
1
Make sure that you have the required tools available (pipe cutter, reamer,
flaring tool and pipe holder).
2
If you wish to shorten the piping, cut it using a pipe cutter, taking care to
ensure that the cut edge remains at a 90° angle with the side of the pipe,
and referring to the illustrations below for examples of edges cut correctly
and incorrectly.
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3
To prevent any gas from leaking out, remove all burrs at the cut end of the
pipe, using a reamer.
4
Slide a flare nut on to the pipe and modify the flare.
A
5
Check that the flaring is correct, referring to the illustrations below for examples of incorrect
flaring.
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Inclined
6
Align the pipes to be connected and tighten the flare nuts first manually and
then with a torque wrench, applying the following torque.
7
For further details on how to connect up to the outdoor unit and purge the circuit, refer to
page 23.
In case welding the pipe, the gas nitrogen must be blown into the parts.
Oblique
x
Outer Diameter (D)
Depth(A)
6.53mm 1.3mm
9.52 mm 1.8 mm
12.70 mm 2.0 mm
�
Damaged Surface Cracked
Outer Diameter Torque (kgf•cm)
6.35 mm 140~170
9.52 mm 250~280
12.70 mm 380~420
Burr
Rough
x x
� �
Uneven Thickness
2007-12-12 14:28:18