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:
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Additional refrigerant | 20 g (0.7 oz) | 30 g (1.06 oz) | 40 g (1.41 oz) | |
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Limit of tubing length | 49 (15) | |
ft (m) | ||
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Limit of elevation | 20 (6) | |
between the two unit | ||
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