Section IV - Operating Procedures
Use this menu to set the load and unload
pressure settings (psig) for compressors in
network mode.
(These values should be 0
if the compressor is not running in network
mode.)
The values entered are for the base or lead
compressor. The pressure settings for
each compressor in the network sequence
will be reduced (step down) by the step
value. The step value can be set from one
() to ten (0) psig.
In network mode, use this menu to set
the time period for auto-rotation of the
compressors. At the end of the selected
time period, the current lead compressor
will be placed at the end of the operating
sequence list.
notiCe!
The accuracy of this timer depends
on the accuracy of the PLC’s internal
clock.
An operating sequence must be entered
for compressors to run properly in network
mode. The first compressor ID in the
sequence is the BASE load compressor,
and the last compressor ID in the sequence
is the trim compressor.
Acceptable values for this menu are ‘A’
to ‘F’.
If a value less than ‘A’ is entered,
the last letter in the sequence is deleted
and ‘A’ is placed in the edit space. If a
value greater than ‘F’ is entered, ‘F’ will be
placed in the edit location.
There are two operating modes in network
mode: LIFO and AutoRotate.
Select zero (0) for LIFO (last in, first out),
which is a fixed sequence type. The
networked compressors operate in the
selected sequence.
Select one () for AutoRotate, which
activates a rotation timer. When the
timer reaches zero (0), the current base
compressor is moved to the trim position.
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Quincy Compressor-QGB
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