Daikin FF-C - Page 18

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Application Information
5) Additional Charge
The refrigerant charge has already charged into the outdoor unit. For the piping length of 7.6m, additional
refrigerant charge after vacuuming is not necessary.
When the piping length is more than 7.6m, please use the table below (unit in gram).
Cooling Only
Indoor FF10CXV1 FF15CXV1 FF20CXV1
Outdoor R10CXV1 R15CXV1 R20CXV1
Add. Charge, g/m 16 16 16
Indoor FHC20EXV1 FHC25EXV1 FHC28EXV1
Outdoor R20CXV1 R25CXV1 R28CXV1
Add. Charge, g/m 38 38 55
Indoor FHC40EXV1 FHC50EXV1
Outdoor R35DXV1 R40DXV1 R40DXY1 R50DXY1
Add. Charge, g/m 56 55 56 55
Heatpump
Indoor FFY10CXV1 FFY15CXV1 FFY20CXV1
Outdoor RY10CXV1 RY15CXV1 RY18/20CXV1
Add. Charge, g/m 23 23 22
Indoor FHYC20EXV1 FHYC25EXV1 FHYC28EXV1
Outdoor RY20CXV1 RY25CXV1 RY28CXV1
Add. Charge, g/m 22 57 58
Indoor FHYC40EXV1 FHYC50EXV1
Outdoor RY35DXV1 RY40DXV1 RY40DXY1 RY50DXY1
Add. Charge, g/m 57 56 56 64
Example: FHC25EXV1 & R25CXV1 with 13m piping length, additional piping length is 5.5m. Thus,
Additional Charge = 5.5m x 38g/m
= 209g
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