Daikin 4MWXM-A, Installer'S Reference Manual

Page: 47 / 80

8 | Charging refrigerant
Installer reference guide
47
4MWXM-A
R32 Split series
4P678385-1A – 2022.02
3 Open the gas stop valve.
If pump down is needed in case of dismantling or relocating the system, see
"16.2 To pump down" [ 4 70] for more details.
8.7 To fix the fluorinated greenhouse gases label
1 Fill in the label as follows:
b
Contains fluorinated greenhouse gases
2
1
1
1
2
2
kg
tCO
2
eq
GWP × kg
1000
=
=
+
kg
=
kg
=
GWP: XXX
RXXX
a
f
c
d
e
a If a multilingual fluorinated greenhouse gases label is delivered with the unit (see
accessories), peel off the applicable language and stick it on top of
a .
b Factory refrigerant charge: see unit name plate
c Additional refrigerant amount charged
d Total refrigerant charge
e Quantity of fluorinated greenhouse gases of the total refrigerant charge
expressed as tonnes CO
2
equivalent.
f GWP = Global warming potential
NOTICE
Applicable legislation on fluorinated greenhouse gases requires that the refrigerant
charge of the unit is indicated both in weight and CO
2
equivalent.
Formula to calculate the quantity in CO
2
equivalent tonnes: GWP value of the
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.