Daikin VRV 5 - To Check Refrigerant Piping Joints for Leaks after Charging Refrigerant

19 | Charging refrigerant
Installer and user reference guide
115
RXYSA8~12AMY1B
VRV 5-S system air conditioner
4P752782-1A – 2024.02
19.8 To check refrigerant piping joints for leaks after charging refrigerant
Tightness test of field-made refrigerant joints indoors
1 Use a leakage test method with a minimum sensitivity of 5 g of refrigerant/
year. Test leaks using a pressure of at least 0.25 times the maximum working
pressure (see "PS High" on the unit nameplate).
If a leak is detected
1 Recover the refrigerant, repair the joint, and repeat the test.
2 Perform the leak tests see "18.3.4To perform a leak test"[4104].
3 Charge refrigerant.
4 Check for refrigerant leaks after charging (see above).