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Installation & service manual _13
ADDITIONAL CHARGE AND DISTANCE
Refrigerant suitable for a piping length of 20 ft (6 m) is charged in the outdoor unit at the factory. When the pipe is longer
than 20 ft (6 m), additional charging is necessary. This operation can only be performed by a qualified refrigeration
specialist. Additional amount must be added for each extra 3.3 ft (1 m), see the table below:
Models
Limit of tubing length
ft (m)
Limit of elevation
between the two unit
20 (6)
Models
Additional refrigerant 20 g (0.7 oz)
30 g (1.06 oz)
40 g (1.41 oz)
9SRA-HE
12SRA-HE | 15SRA-HE |
18SRA-HE
24SRA-HE
9SRA-HE | 12SRA-HE | 15SRA-HE | 18SRA-HE | 24SRA-HE
49 (15)