Cutting/Flaring The Pipes - Samsung ACC2400C Owner's Instructions & Installation Manual

Cutting/Flaring the Pipes

Connect the pipe within 30m(100ft) and cutting pieces will not be gone
into the pipe as being clean to pipe section.
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 pipes, cut it with a pipe cutter, taking care to
ensure that the cut edge remains at a 90° angle with the side of the pipe.
Refer to the illustrations below for examples of edges cut correctly and
incorrectly.
O
90
3 To prevent any gas from leaking out, remove all burrs at the cut edge of the
pipe, using a reamer.
Slide a flare nut on to the pipe and modify the flare.
4
Outer Diameter(D)
6.35 mm (1/4")
9.52 mm (3/8")
15.88 mm (5/8")
19.05 mm (3/4")
5 Check that the flaring is correct, referring to the illustrations below for
examples of incorrect flaring.
Inclined Damaged Surface
6 Align the pipes and tighten the flare nuts first manually and then with
a wrench, applying the following torque.
Outer Diameter
6.35 mm (1/4")
9.52 mm (3/8")
15.88 mm (5/8")
19.05 mm (3/4")
7 For further details on how to connect up to the outdoor unit and purge
the circuit, refer to page 51.
C A U T I O N
C A U T I O N
In case of welding the pipe, you must weld with nitrogen
gas blowing.
Oblique Rough
Depth (A)
1.3 mm(5/100")
1.8 mm(7/100")
2.2 mm(9/100")
2.2 mm(9/100")
Cracked
Torque
9
160kgf•cm (11 ft•lb)
16
300kgf•cm (21 ft•lb) 5
8
400kgf•cm (29 ft•lb)
750kgf•cm (54 ft•lb) 1
4
Burr
Uneven Thickness
47
E-