Literature Change History
November 2009
Update of manual formatting to match with other IOMs and adding variable capacity scroll
compressor information.
April 2012
Added oil drip note below piping diagrams. Updated the Startup Form.
May 2012
Updated the Table of Contents.
March 2013
Update of the manual revising Table S1 - Sub-Cooling and Superheat, adding Table S2 -
Performance Testing Air Flow Setpoints, adding information about compressor cycling.
June 2013
Updated piping diagrams to show internal modulating hot gas reheat and hot gas bypass valves.
New part number assigned.
July 2014
Updated service clearance drawing.
February 2015
Updated Feature 5 options to reflect standard exterior corrosion protection.
July 2015
Updated Replacement Parts instructions. Added Features and Options section.
August 2016
Added Storage information. Added guidelines for variable capacity compressors in the line
sizing section. Added double riser schematics and discussion for heat pump operation. Added a
section about oil level under the refrigerant line sizing section. Added a section on compressor
lockouts. Included heat pump charging guidelines in the Acceptable Refrigeration Circuit
Values Table. Added Special Low Ambient Option Charging Instructions. Changed e-coated
coil cleaning to100 psi water pressure.
December 2016
Fixed a reference error.
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