Precautions When Charging Refrigerant; To Determine The Additional Refrigerant Amount; To Determine The Complete Recharge Amount - Daikin RXP25N5V1B Installer's Reference Manual

7.4.3 Precautions when charging refrigerant

7.4.4 To determine the additional refrigerant amount

7.4.5 To determine the complete recharge amount

RXP20~35N5V1B+ARXP20~35N5V1B
R32 split series
4P519439-22V – 2022.10
WARNING
▪
The refrigerant inside the unit is mildly flammable, but normally does NOT leak. If
the refrigerant leaks in the room and comes in contact with fire from a burner, a
heater, or a cooker, this may result in fire, or the formation of a harmful gas.
▪
Turn OFF any combustible heating devices, ventilate the room, and contact the
dealer where you purchased the unit.
▪
Do NOT use the unit until a service person confirms that the part from which the
refrigerant leaked has been repaired.
WARNING
The appliance shall be stored in a room without continuously operating ignition
sources (example: open flames, an operating gas appliance or an operating electric
heater).
WARNING
▪
Do NOT pierce or burn refrigerant cycle parts.
▪
Do NOT use cleaning materials or means to accelerate the defrosting process
other than those recommended by the manufacturer.
▪
Be aware that the refrigerant inside the system is odourless.
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
Contact your installer for more information.
If the total liquid piping
length is...
≤10 m
>10 m
INFORMATION
Piping length is the one-way length of liquid piping.
INFORMATION
If a complete recharge is necessary, the total refrigerant charge is: the factory
refrigerant charge (see unit name plate) + the determined additional amount.
equivalent tonnes: GWP value of the
2
Then...
Do NOT add additional refrigerant.
R=(total length (m) of liquid piping⁠ – ⁠ 1 0 m)×0.020
R=Additional charge (kg) (rounded in units of
0.01 kg)
7 Piping installation
|
equivalent.
2
Installer reference guide
43