Samsung AR TSFY Series - Connecting Outdoor Unit Cables and Pipes

21
English
Installation
Step 3-2 Connecting the cables and the
pipes
1 Route the piping bundle to the outdoor unit.
2 Use piping clamps to fasten the piping bundle to the
foundation or wall.
3 Cut the refrigerant pipes to the length needed to reach
the pipe connections (located behind the cover panel; see
the figure in step 7).
Pipe cutter
Pipe
Oblique Rough Burr90°
4 Remove any burrs, positioning the pipe face down to
make sure that the burrs do not get into the pipe.
5 Assemble the flare connections on the cut pipe ends.
Pipe
Flare
R 0.4 to 0.8
90°±2°
45°±2°
L
D
D
A
Outer
diameter (D)
Depth (A) Flare dimension (L)
1/4 inch
(0.35 mm)
0.051 inch
(1.3 mm)
0.3425–0.3583 inch
(8.7–9.1 mm)
3/8 inch
(9.52 mm)
0.071 inch
(1.8 mm)
0.5039–0.5197 inch
(12-8–13-2 mm)
1/2 inch
(12.70 mm)
0.079 inch
(2.0 mm)
0.6378–0.6535 inch
(16.2–16.6 mm)
5/8 inch
(15.88 mm)
0.087 inch
(2.2 mm)
0.7598–0.7756 inch
(19.3–19.7 mm)
6 Remove the cover panel on the unit.
7 Remove the service valve caps.
8 Connect the pipes to the service valve with the flare nuts.
Hand-tighten the nuts to prevent stripping.
9 Torque the flare connections to the values in Step 2-3,
step 7 on page 16.
10 Connect the power cables and secure with a cable clamp.
F1 F2
L1 L2
Outdoor-to-indoor power cable
(three wires)
Communication cable
(two wires)
Power cable
(three wires)
11 Connect the outdoor unit power supply cable to the
preinstalled disconnect switch.
12 Leave the cover panel off for testing later in the
installation process.