Tightening torque for body cap (Refer to the table)

Spindle

Charging core

R-22: Diameter of the screw - 7/16-20UNF

R-410A: Diameter of the screw - 1/2- 20UNF

Tightening torque for charging port cap (Refer to the table)

To check for gas leaks on the outdoor unit,

Check the valve A and B using a leak detector.

To check for gas leaks on the indoor unit,

Check the flare nut C and D using a leak detector.

ffBefore inspecting the leakage, use a torque wrench to close the cap for the service valve. (Comply with a tightening torque for each size of the diameter,and tighten the cap firmly to prevent any leakage.).

ffTo check for any possible leakage, insert inert gas into the pipes connected to indoor/ outdoor units and check the connection part of the indoor/outdoor units with soap lather or liquid for leakage test.

Outer

 

Torque

Diameter

Body cap (N•m)

Charging port

(mm)

cap (N•m)

 

 

ø6.35

20 ~ 25

 

 

ø9.52

20 ~ 25

 

 

ø12.70

25 ~ 30

 

10 ~ 12

ø15.88

30 ~ 35

 

 

ø19.05

35 ~ 40

 

 

(1 N•m = 10 kgf•cm )

05INSTALLATION

Fixing the indoor unit in place

Perform the following work on the area where gas leak test was done priory.

After checking for gas leaks in the system, insulate the pipe, hose and cables.

Then place the indoor unit on the installation plate.

1.To minimise condensation problems, wrap foam insulation (as shown in the figure) on a part without insulation on the end of the pipes.

2.Wind the pipe, assembly cable and drain hose with vinyl tape.

3.Place the bundle (the pipe, assembly cable and drain hose) in the lower part of the indoor unit carefully so it does not project from the rear of the indoor unit.

4.Hook the indoor unit to the installation plate and move the unit to the right and left until it is securely in place.

•Make sure pipe does not move when you install the indoor

CAUTION unit on an installation plate.

5.Wrap the rest of the pipe with vinyl tape.

6.Attach the pipe to the wall using clamps (optional).

Insulation

Pipes

 

Installation

 

plate

Connecting

Vinyl tape

pipes

Connecting wires

 

Drain hose

 

ENGLISH-51

RAC OEM_NOTCODE_IBIM_EN.indd 51

2015-06-12 오후 1:25:15

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Samsung AR28JQFRAWQ/TV manual ENGLISH-51, Tightening torque for body cap Refer to the table Spindle, Nm = 10 kgfcm
Page 51 Page 53

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