4.4.2 Additional Charge
Refrigerant suitable for a piping length of 24.93 ft. (7.6m) is charged in the outdoor unit at the
factory. When the piping is longer than 31.17 ft. (9.5 m), additional charging is necessary.
For the additional amount, see Table 4.4.
Table 4.4
Item
Model
Additional Refrigerant Amount for Extra Pipe
18K 0.32 oz./ft
24~48K 0.64 oz./ft
When the height difference between the indoor unit and outdoor unit is larger than 32.8 ft. (10
meters), an oil trap should be employed for every 19.7 ft. (6 meters).
Fig. 4.20
MS-SVN043-EN
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