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Installation Procedure
Step 6 Optional: Cutting and flaring
the pipes
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.
Pipe cutter
Pipe
90°
Oblique Rough Burr
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.
D
A
Pipe Flare
90° ±2°
45° ±2°
L
R 0.4 to 0.8 mm
D
Flare
Outer diameter (D) Depth (A) Flare dimension (L)
ø 6.35 mm 14 to 18 8.7 to 9.1 mm
ø 9.52 mm 34 to 42 12.8 to 13.2 mm
ø 12.70 mm 49 to 61 16.2 to 16.6 mm
ø 15.88 mm 68 to 82 19.3 to 19.7 mm
ø 19.05 mm 100 to 120 23.6 to 24.0 mm
5 Check that the flaring is correct, referring to the
illustrations below for examples of incorrect flaring.
2
1
3
Correct Inclined Damaged
surface
Cracked Uneven
thickness
CAUTION
• If the pipes require brazing ensure that OFN (Oxygen
Free Nitrogen) is flowing through the system.
• Nitrogen blowing pressure range is 0.02 to 0.05 MPa.
Step 7 Connecting up and removing
air in the circuit
CAUTION
• When installing, make sure there is no leakage. When
recovering the refrigerant, ground the compressor first
before removing the connection pipe. If the refrigerant
pipe is not properly connected and the compressor
works with the service valve open, the pipe inhales the
air and it makes the pressure inside of the refrigerant
cycle abnormally high. It may cause explosion and
injury.
The air in the indoor unit and in the pipe must be
evacuated. If air remains in the refrigerant pipes, it will
affect the compressor either reduce cooling/heating
capacity or lead to a malfunction. Refrigerant for air
purging is not charged in the outdoor unit. Use Vacuum
Pump as shown at the right figure.
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Productinformatie
| Merk | Samsung |
| Model | AC024TXQREH |
| Categorie | Airco |
| Taal | Nederlands |
| Grootte | 5383 MB |
