Acson ADB-B Series - Additional Charge

TECHNICAL SPECIFICATION
TS-SB-B/D-AM-A1
21
Additional Charge
For ball valve type, the refrigerant is pre-charge in the outdoor unit. If the piping length is
less than 7.5m, then additional charge after vacuuming is not necessary. When the piping
length is more than 7.5m, use the table below.
For Brazed type, if the piping is less than 7.5m, follow the charge level on serial number
sticker. When the piping is more than 7.5m, use the table below.
R22
R407C
Liquid Pipe OD (in)
Additional Charge (kg/m)
Additional Charge (kg/m)
3/8’’
0.06
0.05
1/2’’
0.10
0.10
5/8’’
0.16
0.15
3/4’’
0.25
0.23
NOTE
The additional refrigerant charge amount recommended is a guideline for long piping
application. The actual charge required may be different from the guideline due to
different application and variation in site condition.