To Check Refrigerant Piping Joints For Leaks After Charging Refrigerant - Daikin VRV 5-S User Reference Manual

19.8 To check refrigerant piping joints for leaks after charging refrigerant

RXYSA8~12AMY1B
VRV 5-S system air conditioner
4P752782-1A – 2024.02
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).
19
"18.3.4 To perform a leak
Charging refrigerant
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4
test" [ 104].
Installer and user reference guide
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