To Check Refrigerant Piping Joints For Leaks After Charging Refrigerant - Daikin VRV 5 RXYA8A7Y1B Installer And User Manual

19 | Charging refrigerant

19.9 To check refrigerant piping joints for leaks after charging refrigerant

Installer and user reference guide
124
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
3 Charge refrigerant.
4 Check for refrigerant leaks after charging (see above).
"18.3.4 To perform a leak
4
test" [ 112].
RYMA5+RXYA8~20A7Y1B
VRV 5 heat pump
4P749918-1 – 2023.12