48
English
ins
tallation
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.)
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.
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
Indoor
unit
indicator
LED1
LED2
LED3
The
progress is
displayed
as a number
between 0
and 99 on
the indoor
unit display.
The LEDs on
the indoor unit
display blink in
sequence, then
all of them blink
simultaneously.
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.
Installation Inspection
Outer
diameter
(mm)
Tightening torque
Body cap
(N•m)
Charging port cap
(N•m)
ø 6.35
20 to 25
10 to 12
ø 9.52
20 to 25
ø 12.70
25 to 30
ø 15.88
30 to 35
Over ø
19.05
35 to 40
( 1 N•m = 10 kgf•cm )
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)
Test parts for the
indoor unit
Test parts for the
indoor unit
