Installation Inspection

Step 4.1 Performing the gas leak tests

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

Tightening torque for body cap (Refer to the table)

Charging core

Spindle

R-22: Thread of the screw - 7/16-2OUNF

R-410A: Thread of the screw -1/2-2OUNF

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

Outer diameter

Tightening torque

(mm)

Body cap

Charging port cap (N•m)

 

(N•m)

 

 

ø 6.35

20 to 25

 

 

 

 

ø 9.52

20 to 25

 

 

 

 

ø 12.70

25 to 30

10 to 12

 

 

 

ø 15.88

30 to 35

 

 

 

 

Over ø 19.05

35 to 40

 

 

 

 

 

 

( 1 N•m = 10 kgf•cm )

2.Insert inert gas into the pipes connected to indoor and outdoor units.

3.Test leakage on the connection parts of the indoor and outdoor units with soap lather or liquid.

Test parts for the indoor unit

Test parts for the indoor unit

Step 4.2 Running the Smart Install mode

1.Make sure that the air conditioner is in the standby status.

2.Hold down the (Power), (Mode), and

(SET) buttons on the remote control simultaneously for 4 seconds.

3.Wait until Smart Install mode succeeds or fails. It takes approximately 7 to 13 minutes.

While Smart Install mode is proceeding:

Type

Display

LED Display

 

 

LED1

 

 

LED2

 

 

LED3

Indoor

 

The LEDs on

unit

 

The progress is

the indoor unit

indicator

displayed as a

display blink in

 

 

number between

sequence, then

 

0 and 99 on

all of them blink

 

the indoor unit

simultaneously.

 

display.

These operations

 

 

repeat.

When Smart Install mode succeeds: Smart Install mode ends with ringing sound, and the air conditioner is in standby status.

When Smart Install mode fails: An error message is displayed on the indoor unit display, and Smart Install mode ends.

NOTE

Smart Install mode can be operated only with the supplied remote control.

During the Smart install mode procedure, remote control cannot be operated.

English 43

Installation

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Samsung AR12KPFNDWKXSG manual Installation Inspection, Performing the gas leak tests, Running the Smart Install mode

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