AAON LL-540 - Manual (Page 88)

88
Literature Change History
June 2010
Revision of the IOM adding PVC and CPVC piping Caution.
November 2010
Revision of the IOM changing the recommended superheat values to 10-15°F and adding a note
that superheat on tandem compressors should be measured with only one compressor in the
tandem running.
August 2011
Revision of the IOM adding information about the variable capacity oil-free magnetic bearing
centrifugal compressor option, specifying that electronic expansion valves are available, and
adding the electronic startup form.
November 2011
Revision of the IOM adding information about the variable capacity VFD controlled scroll
compressor options.
March 2012
Revision of the IOM correcting the minimum inlet gas pressure for the 500 MBH boiler to 5”
w.c and the 750, 1000, and 1500 MBH boiler to 7” w.c.
April 2012
Revision of the IOM adding the index of tables and figures and updating the table of contents.
June 2012
Revision of the IOM adding the caution about POE and PVE refrigeration system lubricants.
November 2012
Update of the IOM adding information about compressor cycling.
July 2013
Update of the format of the Feature String Nomenclature and revision of the left warning on
cover.
October 2013
Added cautions calling for the need to seal water, electrical, and gas entries into the unit.