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)
Charging core
Test parts for the indoor unit
Spindle
Tightening torque for charging port cap (Refer to the table)
Outer diameter | Tightening torque | |
(mm) | Body cap (N•m) | Charging port cap (N•m) |
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ø 6.35 | 20 to 25 |
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ø 9.52 | 20 to 25 |
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ø 12.70 | 25 to 30 | 10 to 12 |
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ø 15.88 | 30 to 35 |
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Over ø 19.05 | 35 to 40 |
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( 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
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 | |||
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| LED1 |
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| LED2 |
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| LED3 |
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Indoor |
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unit | The progress is | The LEDs on the | |||
indicator | |||||
indoor unit display | |||||
| displayed as a | ||||
| blink in sequence, | ||||
| number between | ||||
| then all of them blink | ||||
| 0 and 99 on the | ||||
| simultaneously. These | ||||
| indoor unit display. | ||||
| operations repeat. | ||||
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•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 49
