4.6.2 Option da, dd, db
Air treatment options
For some applications, the compressed air generated by this machine must be treated before use.
The following describes the possible air treatment options that may be fitted to the machine.
Fig. 6 Compressed air options
1
Compressed air after-cooler (Option da)
2
Compressed air water trap (option da)
3
Filter combination (option dd)
4
Heat exchanger (option db)
5
Air distributor
4.6.2.1 Option da
Compressed air after-cooler
The aftercooler lowers the compressed air temperature to only 5 K to 10 K above ambient. Most of
the moisture carried in the air is removed in the aftercooler.
4.6.2.2 Option da
Compressed air water separator
Condensate accumulating during the air cooling process is separated, fed to the exhaust gas si‐
lencer and evaporated there.
4.6.2.3 Option dd
Filter combination
The dried compressed air passes through a pre-filter and micro-filter combination and emerges oil-
free.
4.6.2.4 Option db
Heat exchanger
The oil/air heat exchanger is fed with hot compressor cooling oil that warms the outgoing moisture-
reduced compressed air.
This warm, dry compressed air is ideal for sand blasting, for example.
4
Design and Function
4.6
Options
No.: 9_9548 22 HCE
Operating Manual Portable Rotary Screw Compressor
MOBILAIR M27 PE
45