INSTALLING THE INDOOR UNIT
Cutting/Extending the Piping
D
12
E-
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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O
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 17.
Oblique
x
Outer Diameter (D)
Depth(A)
6.53mm
9.52 mm
12.70 mm
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Damaged Surface
Outer Diameter
Torque (kgf•cm)
6.35 mm
140~170
9.52 mm
250~280
12.70 mm
380~420
Rough
x
x
1.3mm
1.8 mm
2.0 mm
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Cracked
Uneven Thickness
Burr