Literature Change History
July 2015
Added Features and Options section. Updated Service Information section.
August 2016
Added a warning to empty the evaporative condenser tank before lifting.
October 2017
CL units are now shipped with a 400 psi nitrogen holding charge. Updated Table 2 - Acceptable
Refrigerant Circuit Values sub-cooling values. Added a note that reverse osmosis and deionized water
cannot be used in the evaporative cooled condensing units. Added suction line filter removal instructions.
May 2018
Updated technical support contact information.
June 2018
Added E-coated coil cleaning procedure. Added split system evacuation procedure for low ambient and
modulating hot gas reheat.
January 2019
Removed section on OROA and ORI/ORD valves. Updated special low ambient option charging
instructions. Corrected the nitrogen holding charge to 100 psi.
May 2019
Added the minimum/maximum voltage range table in the Electrical section.
July 2019
Removed most references to PVE oils except in the caution boxes.
September 2020
Revised compressor cycling to 3 minute minimum off time. Revised measurement of suction line
temperature and pressure to be taken at the evaporator. Revised wording for oil return line. Updated the
Nameplate Voltage Markings and Tolerance table. Added phase imbalance example. Revised the e-coated
coil cleaning section. Added Voltage check to the startup form. Added the AAON E-Coated Coil
Maintenance Record.
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