Midea MOC-09CFN1-BS0W, Service Manual

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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 ------------------
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.