LB
II
-PLUS Technical Manual
15
It is required that the pressure drop of the external oil circuit system should not be greater than 1bar, so as not
to affect the normal lubrication of the compressor.
Figure-Pipeline diagram of external oil system
Air cooling type
The fan accelerates the air flow passes the fin of oil cooler to cool the lubricating oil in the pipeline. The suggested
system layout is shown in the following figure. For pressure difference switch, please refer to chapter 3.2.5.
Figure - Air cooling type oil cooler for single system
Figure - Air cooling type oil cooling for parallel connection system