11
English
Installation Pr
oc
edur
e
3
To prevent any gas from leaking out, remove all burrs
at the cut edge of the pipe, using a reamer.
4
Slide a flare nut on to the pipe and modify the flare.
Pipe
Flare
D
A
Flare
R 0.4 to 0.8 mm
D
L
90
° ±2°
45°
±
2°
Outer Diameter (D)
Depth (A)
Flare dimension (L)
Ø6.35 mm
1.3 mm
8.7 to 9.1 mm
Ø9.52 mm
1.8 mm
12.8 to 13.2 mm
Ø12.70 mm
2.0 mm
16.2 to 16.6 mm
Ø15.88 mm
2.2 mm
19.3 to 19.7 mm
5
Check that the flaring is correct, referring to the
illustrations below for examples of incorrect flaring.
Correct
Inclined
Damaged
Surface
Cracked
Uneven
Thickness
Step 7 Connecting the assembly pipes
to the refrigerant pipes
There are two refrigerant pipes of different diameters :
• A smaller one for the liquid refrigerant.
• A larger one for the gas refrigerant. The inside of
copper pipe must be clean and has no dust.
1
Remove the pinch pipe on the pipes and connect the
assembly pipes to each pipe, tightening the nuts, first
manually and then with a torque wrench, a spanner
applying the following torque.
Torque
wrench
Flare nut
Spanner
Union
1
2
3
3
Outer Diameter (mm)
ƟͱθαЇʪ࣍Ęࡷ͔࣎
Ø6.35
14 to 18
Ø9.52
34 to 42
Ø12.70
49 to 61
Ø15.88
68 to 82
(1 N
ࡷ
m = 10 kgf
ࡷ
cm)
NOTE
• If the pipes must be shortened, see
Step 6 Cutting
and flaring the pipes
on page
10
.
Содержание AJ026TN1DKH
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