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

7.8.3 Precautions when charging refrigerant

7.8.4 To determine the additional refrigerant amount

7.8.5 To determine the complete recharge amount

CHYHBH05+08AF + EHYKOMB33A
Daikin Altherma R Hybrid
4P471761-1E – 2020.10
Global warming potential (GWP) value: 675
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
Please contact your installer for more information.
WARNING: FLAMMABLE MATERIAL
The refrigerant inside this unit is mildly flammable.
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.
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.
If the total liquid piping
length is...
≤30 m
>30 m
INFORMATION
Piping length is the one-way length of liquid piping.
For the maximum allowable refrigerant charge amount, see the outdoor unit
installation manual.
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
Do NOT add additional refrigerant.
R=(total length (m) of liquid piping–30 m)×0.020
R=Additional charge (kg) (rounded in units of 0.1 kg)
7 Installation
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equivalent.
2
Then...
Installer reference guide
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