July 2016
Updated Neoprene statements and E-Coated Cleaning section. Table 29 - Acceptable
Refrigeration Circuit Values has been updated.
August 2016
Updated Energy Recovery Wheel Filters replacement Tables 49-52. Added Energy Recovery
Wheel Defrost Timer section.
September 2016
Added Power Exhaust Motor and Belt Removal section.
January 2017
Added Two-Step Compressor options.
February 2017
Updated Figure 29.
May 2017
Updated Table 7 - Single Circuited Variable Speed Compressor VFD Frequency Range and Table
8 - Tandem Circuited Variable Speed Compressor VFD Frequency Range. The maximum
allowable voltage imbalance updated. Updated Factory Technical Support Phone number.
July 2017
Updated Allowed Chemical Cleaners and Procedures. Added Outdoor Airflow Monitoring
options; Feature 14A. Added Shaft Grounding options; Feature 1B and Feature 5A. Added High
Condensate Level Switch; Feature 11. Added Shrink Wrap Options; Feature 20. Added High
Turndown Modulating Gas option; Feature B3. Updated modulating gas turndown ratios. Updated
Note on MPT fitting.
August 2017
Updated Table 53; 55, 65, and 75-140 ton Energy Recovery Wheel Filters. Updated Tables 38-39
Pre Filter information; 55, 65, 75 tons and 90-140 tons. Removed VCM-X options; Feature 22.
September 2017
Updated Tables 33-39 Pre Filter information. Updated nomenclature for Feature 6A.
October 2017
Removed On/Off Hot Gas Reheat option. Updated Features 6A and 6B feature string nomenclature
descriptions. Updated filter descriptions in Tables 33-53.
November 2017
Updated Additional Gas Piping Considerations section. Feature 1B Options updated to include
TEFC Motor options. Feature 5 Options updated to include TEFC Motor options. Added Suction
Filter and Suction Filter Removal Instructions section.
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