Daikin FF-C Technical Manual page 18

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
Outdoor
Add. Charge, g/m
Indoor
Outdoor
Add. Charge, g/m
Indoor
Outdoor
Add. Charge, g/m
Heatpump
Indoor
Outdoor
Add. Charge, g/m
Indoor
Outdoor
Add. Charge, g/m
Indoor
Outdoor
Add. Charge, g/m
Example: FHC25EXV1 & R25CXV1 with 13m piping length, additional piping length is 5.5m. Thus,
Additional Charge = 5.5m x 38g/m
= 209g
15
FF10CXV1
R10CXV1
16
FHC20EXV1 FHC25EXV1
R20CXV1
38
FHC40EXV1
R35DXV1
56
FFY10CXV1 FFY15CXV1
RY10CXV1 RY15CXV1
23
FHYC20EXV1 FHYC25EXV1
RY20CXV1 RY25CXV1
22
FHYC40EXV1
RY35DXV1 RY40DXV1
57
FF15CXV1 FF20CXV1
R15CXV1 R20CXV1
16
FHC28EXV1
R25CXV1 R28CXV1
38
R40DXV1 R40DXY1
55
FFY20CXV1
RY18/20CXV1
23
FHYC28EXV1
RY28CXV1
57
RY40DXY1
56
16
55
FHC50EXV1
R50DXY1
56 55
22
58
FHYC50EXV1
RY50DXY1
56 64