Installation
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)
Spindle
Charging core
R-22: Thread of the screw - 7/16-2OUNF
R-410A /R-32: Thread of the screw -1/2-2OUNF
Tightening torque for charging port cap (Refer to the table)
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
If using a multi system, this function is not
supported.
1 Make sure that the air conditioner is in the standby
status.
2 Hold down the
(Power), (Mode), (SET)
and
(SET/Temperaturetype(℃↔℉))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.
Outer diameter
(mm)
Tightening torque
Bodycap(N•m) Chargingportcap(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
(1N•m=10kgf•cm)
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