AAON RN Series Installation Operation & Maintenance page 132

August 2014
Added energy recovery wheel v-bank filter sizes. Added more detailed microchannel coil cleaning
instructions.
November 2014
Updated condensate drain pan section showing p-traps are no longer provided on the 26 and 31-
140 ton units, added the p-trap sizing section, added plenum fan set screws specifications, added
tandem compressor option for the 55, 65 and 75-140 ton units.
March 2015
Updated E cabinet unit clearances; the unit clearance for the back of the unit was updated to 100"
from the end of the unit. Added Tandem Circuited Variable Speed Compressor VFD Frequency
Range Table.
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.
July 2015
Removed 2" Throwaway Unit Filter-25% Efficient from Filter Replacement information. Table 4-
C Cabinet Unit Clearances revised.
October 2015
Added Additional Gas Piping Considerations.
November 2015
Water Piping and Filter sections were updated.
February 2016
Added Freeze Stat Startup section and updated Phase and Brownout Protection Module section.
March 2016
Updated Metal Mesh Pre Filter quantity for RN-E cabinet. Updated RN-D cabinet energy recovery
filters quantity and size for outside air preheat.
April 2016
Added the Adjustable Fan Cycling Switch Procedure section.
May 2016
Added the AAON Touchscreen Controller.
June 2016
Packaged Direct Expansion (DX) Units section was updated for clarification.