manual
Partner ACS
 
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Partner ACS R-1
Partner ACS R-2
Partner ACS R-3
Partner ACS R-4
Partner ACS R-5
Partner ACS R-6
Partner ACS R-7
Partner ACS Users Guide & Misc

Installation, Programming, Service, Owners & Users Manuals. 

At a display set, press Feature 59.  This will tell you what Partner system and release you have.