6.3 Pipe length and the elevation
The pipe length and refrigerant amount:
Model Connective pipe length Air purging Additional amount of refrigerant
All Less than 5m Use vacuum pump ------------------
7k,9k,12k,18k(except
MS9A-18CR-PC4W(A))
More than 5m Use vacuum pump (Pipe length – 5) × 30g/m
MS9A-18CR-PC4W(A)
More than 5m Use vacuum pump (Pipe length – 5) × 60g/m
MS9A-21HR-QB6W
MS9A-22CR-QC0
MS9A-22CR-QB8
MA9A-24HR-QB4W
Model
Standard
length
(m)
Max.
Elevation
B (m)
Max.
Length
A (m)
7k,9k,12k 5 5 10
18k 5 8 15
21k,22k,24k 5 10 20
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.
.
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