Erich Industries, Inc. - Product Manuals and Instructions http://www.diswebsites.com/news_rss.cfm?detailid=6171 Product Manuals and Instructions DOOR DYNAMICS MODEL KO-600 INSTALLATION INSTRUCTIONS AND OWNERS MANUAL (PDF FILE) http://www.erichindustries.com/Model600DoorOpenerInstallation-OwnerManual.pdf DOOR DYNAMICS MODEL KO-300 AND KO-630 INSTALLATION INSTRUCTIONS AND OWNERS MANUAL (PDF FILE) http://www.erichindustries.com/Model630-300DoorOpenerInstallation-OwnerManual.pdf UNITED STATES POSTAL SERVICE SPECIFICATIONS AND LAYOUT GUIDE (PDF FILE) http://www.erichindustries.com/DoorDynamicsKwik-OpPostalGuide.pdf COMPRESSOR INSTALLATION INSTRUCTIONS AND OWNERS MANUAL (PDF FILE) http://www.erichindustries.com/CompressorInstallationInstructions.pdf PROGRAMMING DETAILS FOR UNITS PRIOR TO 1-1-98 (PDF FILE) http://www.erichindustries.com/DoorDynamicsObsoleteCircuitBoard-Priorto1-1-98.pdf