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Activating the heat exchanger:
Fig. 35 Heat exchanger without bypass operation (with compressed air heating)
1
Oil separator tank
2
Compressed air aftercooler
3
Centrifugal separator
4
Heat exchanger
5
Thermostatic valve with oil filter
6
Connection to the oil cooler
7
Shut-off valve (3–way cock)
“I” - Open position (red marking)
a
Oil via bypass blocked
b
Oil from heat exchanger open
c
Oil to thermostatic valve/oil filter
➤ Open the shut-off valve at the heat exchanger (position I) → red marking.
Result The cooling oil flows directly from
b
to
c
. The direct connection between
a
and
c
is closed.
The oil/compressed air heat exchanger is part of the compressor's oil circuit. The compressed air
fed through the heat exchanger is heated by the hot cooling oil of the compressor. "Condensate-
free and heated compressed air" is available at the compressor air distributor.
8
Operation
8.4
Operating the options
No.: 901783 08 USE
Operator Manual Portable Rotary Screw Compressor
MOBILAIR M82 SIGMA CONTROL SMART
91