Performing leak test
ffUse leak tester or soapsuds on the pipe connection part after performing vacuum pump.
Check for | Check for |
leakage | |
| leakage |
Test part for indoor unit | Test part for outdoor unit |
ffBefore inspecting the leakage, use a torque wrench to close the cap for the service valve.(Comply with a tightening torque for each size of the diameter, and tighten the cap firmly to prevent any leakage.)
ffTo check for any possible leakage, insert inert gas into the pipes connected to indoor/outdoor units and check the connection part of the indoor/outdoor units with soap lather or liquid for leakage test.
Tightening torque for body cap (Refer to the table)
Spindle
Charging
Tightening torque for charging port cap (Refer to the table)
Outer |
| Tightening torque | |
|
|
| |
Diameter | Body cap | Charging port | |
(mm) | (N•m) | cap (N•m) | |
|
|
|
|
Ø6.35 | 20 | ~ 25 |
|
Ø9.52 | 20 ~ 25 |
| |
Ø12.7 | 25 ~ 30 | 10 ~ 12 | |
Ø15.88 | 30 ~ 35 |
| |
Ø19.05 | 35 ~ 40 |
| |
❋❋1 N•m = 10 kgf•cm
51
사우디,인도,나이지리아향 FAC MEMORY |