Selecting The Refrigerant Pipe; Keeping Refrigerant Pipe Clean And Dry; Cutting Or Flaring The Pipes - Samsung AE RXEDEG Series Installation Manual

Refrigerant piping work

Selecting the refrigerant pipe

Outdoor unit capacity (kW)
AE090RXEDEG
AE090RXEDGG
Install refrigerant pipe depending on the outdoor unit
capacity.
Make sure to use C1220T-1/2H (Semi-hard) pipe for more
than Ø19.05 mm. In case of using C1220T-O (Soft) pipe for
Ø19.05 mm, pipe may be broken, which can result in an injury.

Keeping refrigerant pipe clean and dry

To prevent foreign materials or water from entering the pipe, pipes shall be sealed by caps.

Cutting or flaring the pipes

1. Make sure that you prepared the required tools.
- Pipe cutter, reamer, flaring tool and pipe holder, etc.
2. If you want to shorten the pipe, cut it with a pipe cutter ensuring that the cut edge remains at 90° with the side of the
pipe.
- There are some examples of correct and incorrect cut edges below.
Liquid side Gas side
(mm) (mm)
ø6.35 ø15.88
ø6.35 ø15.88
Oblique
90°
ENGLISH-30
Outer Minimum
diameter thickness
(mm) (mm)
ø 6.35 0.7
ø 9.52 0.7
ø12.70 0.8
ø15.88 1.0
ø15.88 0.8
ø19.05 0.9
ø22.23 0.9
Temper grade and minimum thickness of the
refrigerant pipe.
The material specification (thickness) of the
refrigerant pipes must be in accordance with
EU and/or local legislation and standards.
Rough
Temper grade
C1220T-0
C1220T-1/2H OR
C1220T-H
Burr