AAON SA-028 - Literature Change History

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Literature Change History
June 2010
Revision of the IOM adding PVC and CPVC piping Caution.
February 2011
Revision of the IOM correcting the information about head pressure control, adding information
about adjusting a heat pump unit’s refrigerant charge and adding information about assembling
split units.
April 2012
Update of IOM changing the 2” pleated 30% efficient filter from MERV 7 to MERV 8,
correcting the condensate drain connection to 1” MPT, adding the supply fan removal
instructions, adding the index of tables and figures, and updating the table of contents.
June 2012
Update of the IOM adding the brazed plate heat exchanger cleaning instructions.
November 2012
Update of the IOM adding information about compressor cycling.
July 2013
Updated qualified installed warning and removed warranty card verbiage.
November 2013
Updated water pipe connections.
May 2015
Updated Refrigerant to Water Heat Exchanger section to state that a screen strainer is factory
provided ahead of the condenser inlet and a pressure relief device may be provided on the heat
exchanger.
January 2016
Updated Phase and Brownout Protection Module section and added a Freeze Stat Start-up
section.
June 2016
Waterside Economizer section was updated.
July 2016
Updated E-Coated Cleaning section.
September 2017
Update Feature A2 – Unit Configuration. Update Feature 11 – Safety Options. Update Feature
22 – Control Vendors.