From inside (document excerpt):
t Copeland Screw Compressors INSTRUCTIONS AND GUIDELINES FOR REPLACING THE OLD ESC-200 ELECTRONIC CONTROL MODULE WITH THE NEW ESC-201 MODULE FOR COMPLETE INSTALLATION AND OPERATING INSTRUCTIONS FOR THE NEW ESC-201 ELECTRONIC CONTROL MODULE, PLEASE REFER TO COPELAND FORM NO. 2001-81 TM ESC-200 to ESC-201 Conversion Guidelines When converting the compressor protection module from an ESC-200 to an ESC-201 there are certain design and feature changes that must be taken into consideration.
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The following is a quick reference guide to those differences, for a complete description and programming instructions of the ESC-201 please refer to the Installation & Operating Manual Form No. 2001-81. The added features and improved functions of the ESC-201 include: · LCD display to indicate normal operating parameters and compressor faults · Part winding contactor control (0.5 second standard delay) · Discharge temperature control · Critical discharge temperature control · High Temperature · Low …