Installation Inspection

Step 4.1 Performing the gas leak tests

1Before 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)

Spindle

Charging core

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
Outer diameter
(mm)	Body cap		Charging port cap (N•m)
	(N•m)		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 )

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

3Test 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

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

2Hold down the (Power), (Mode), and (SET) buttons on the remote control simultaneously for 4 seconds.

3Wait 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
Indoor
unit	The progress	The LEDs on the
indicator	is displayed	The LEDs on the
indicator	is displayed	indoor unit display
	as a number	indoor unit display
	as a number	blink in sequence,
	between 0	blink in sequence,
	between 0	then all of them blink
	and 99 on the	then all of them blink
	and 99 on the	simultaneously. These
	indoor unit	simultaneously. These
	indoor unit	operations repeat.
	display.	operations repeat.
	display.

•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.

Installation

English 21

A3050 EE Better IM_DB68-06139A-00_EN_A5.indd 21

2016/5/6 10:32:08

AR12HSSDPWKNEE, AR09HSSDPWKNEE specifications

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