Pipe Length And The Elevation - Toyotomi MTN-MTG A128FS Service Manual

6.3 Pipe length and the elevation

The pipe length and refrigerant amount:
Model
All
9k,12k
Caution:
Capacity test is based on standard length and maximum allowance length is based on system
reliability.
Oil trap should be installed per 3-5 meters.
Connective pipe length
Less than 5m
More than 5m
Model
9k,12k
Air purging
Use vacuum pump
Use vacuum pump
Standard
length
(m)
5
26
Additional amount of
refrigerant
------------------
(Pipe length – 5) × 20g/m
Max.
Elevation Length
B (m) A (m)
8
Max.
20