Midea MS9A-09HRDN1-MP0W - Pipe Length and the Elevation

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6.3 Pipe length and the elevation
The pipe length and refrigerant amount:
Model
Connective pipe
length
Air purging method
Additional amount of refrigerant to be charged
All
Less than 5m
Use vacuum pump
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9k/12k
More than 5m
Use vacuum pump
(Pipe length – 5) × 20g/m
18k/24k
More than 5m
Use vacuum pump
(Pipe length – 5) × 40g/m
Model
Standard
length
(m)
Max.
Elevation
B (m)
Max.
Length
A (m)
9k/12k
5
8
20
18k/24k
5
10
25
Caution:
The capacity test is based on the standard length and the maximum permissive length is based on the
system reliability.
The oil trap should be installed per 5-7 meters.