To Check For Refrigerant Leaks After Charging - Daikin RXYSA4A7V1B Installer And User Manual

19 | Charging refrigerant

19.8 To check for refrigerant leaks after charging

Installer and user reference guide
100
All field made refrigerant joints must be tested for tightness.
No leak shall be detected with a test method that has a sensitivity of 5 grams
refrigerant per year or better, at a pressure of at least 0.25 times the maximum
working pressure (see "PS High" on the unit name plate).
In case a leak is detected, recover the refrigerant and repair the joint(s).
Then:
▪ perform the leak tests see
▪ charge refrigerant.
▪ check for refrigerant leaks after charging (see above).
"18.3.4 To perform a leak
4
test" [ 90].
RXYSA4~6A7V/Y1B
VRV 5-S system air conditioner
4P600330-1A – 2020.07