INSTALLATIONI I METHOD

Connection of Refrigerant Piping

Flare Processing

1.Cut the pipe using the pipe cutter.

90

Oblique

Roughness

Burr

2. Insert the flare nut into the pipe, and then perform the flare processing.

D

A

Unproper flaring

Outer Diameter

 

 

A

 

 

 

 

 

ø

9.52 mm(3/8")

1.8 mm(7/100")

 

 

 

 

 

ø

19.05 mm(3/4")

2

1

mm(9/100")

5

Inclined Surface Cracked Uneven

damagedthickness

Pipe Bending

1.Perform bending of the pipe using the bender which has a specified bending radius.

2.Be sure to take full care to perform bending of the pipe successfully at one time. Bending and unbending the pipe more than twice makes

the bending work increasingly difficult.

3.You may use the spring inserted into the gas pipe instead of the bender to bend the pipe.

4.When you bend the pipe using the spring, hold the pipe with both hands to prevent any distortion, and secure a minimum bending radius of more than 100mm(4 inch).

Spring

Tightening of Connection Parts

Align the center of the connection piping, and tighten the flare nut by turning it with hand. Then tighten it again using the spanner in the direction as shown in the figure.

Outer Diameter

Tightening Torque

Final Torque

 

Remarks

 

 

 

 

 

 

 

 

 

 

 

 

 

 

ø

9.52mm(3/8")

400 kg cm(28

4

 

ft•lb)

450 kg cm(32

1

 

 

ft•lb)

 

5

 

5

 

 

ø

19.05mm(3/4")

700 kg cm(50

3

 

ft•lb)

750 kg cm(54

1

 

ft•lb)

 

5

5

 

E-26

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Samsung AP500F installation manual Connection of Refrigerant Piping, Flare Processing

AP500F specifications

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