To Check For Refrigerant Leaks After Charging - Daikin 3MXM40A2V1B9 Installer's Reference Manual

8 | Charging refrigerant

8.8 To check for refrigerant leaks after charging

Installer reference guide
48
NOTICE
Applicable legislation on fluorinated greenhouse gases requires that the refrigerant
charge of the unit is indicated both in weight and CO
Formula to calculate the quantity in CO
refrigerant × total refrigerant charge [in kg] / 1000
Use the GWP value mentioned on the refrigerant charge label.
2 Fix the label on the inside of the outdoor unit near the gas and liquid stop
valves.
INFORMATION
Applicable ONLY for combination with indoor units CVXM-A9, FVXM-A9.
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).
equivalent.
2
equivalent tonnes: GWP value of the
2
"7.3.3 To check for leaks" [
2MXM-A9, 3MXM-A9, 4MXM-A9, 5MXM-A9
4
42].
R32 Split series
4P600463-7G – 2022.09