Engineering manual - SAB 355 Screw compressor unit (including ATEX)
46/156
004100 en 2020.10
Technical description
The oil vessel contains 2 heating elements, pos. 30, which must always be switched on when
the unit is not operating and switched off when the compressor is started. Remember to
switch off the heating elements when oil is drained off the oil vessel before an oil renewal.
After a long period of standstill where the heating elements have been switched off they must be
connected for at least 8 hours before the unit is put into operation.