Section II - Description
Operating Modes
WARNING!
Never assume it is safe to work on a
compressor because it is not operating.
It may be in standby mode and could
restart at any time. Follow all safety
instructions in Section V - Maintenance
or Service Preparation.
Load/No Load
In the Load/No Load mode, the
compressor does not modulate the inlet
valve. The valve is either fully open or it is
closed. If system demands include regular
periods of air usage at less than full load,
a large compressed air storage capability
is required with this type of control.
Without adequate storage, rapid cycling
may occur. This will cause wide system
pressure fl uctuations that may affect the
performance of equipment using the
compressed air. Load/No Load works with
Auto Dual control to turn the compressor
off during extended periods of no demand.
8
Содержание QSI-90
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