Emerson ASCO 185 User Manual

381333–319 D50 Hanover Road, Florham Park, New Jersey 07932–1591 USAFor sales or service call 1 800 800–2726 (ASCO) www.ascopower.comASCO POWER TECHNO

TROUBLESHOOTINGSeries 1858381333–319 DThis troubleshooting guide describes some of the simplecauses of problems with the installation of the automatic

TROUBLESHOOTINGSeries 185(continued)9381333–319 DProblem Cause and SolutionThe ATS does not immediatelytransfer the load to thegenerator.1. Verify tha

INDEXSeries 185Printed in U.S.A.Copyright --- ASCO Power Technologies, L.P. 200910381333–319 DAAutomatic Generator Exerciser, 2, 3,9Bbattery,clock,3bu

Series 185381333–319 DNamepl ateThe Transfer Switch nameplate includes data foreach specific ASCO Series 185 ATS. Use the ATSonly within the limits sh

INSTALLATIONSeries 1851381333–319 DInstallation of the ASCO Series 185 automatic transferswitch (ATS) must be performed by a licensed electrician.It m

CONTROLLERSeries 1852381333–319 DThe Group 4 digital Controller is used i n ASCO Series185 automatic transfer switches. It provides the sensing,timing

CONTROLLERSeries 185(continued)3381333–319 D3 --- Generator Starting ContactsThe generator starting contacts connections are on thecontroller. Refe r

Series 185CONTROLLER(continued)4381333–319 DS2 DIP switchS1 DIP switchFigure 6. DIP switches S1 and S2 at the top right.The time delay settings are sh

CONTROLLERSeries 185(continued)5381333–319 D6 --- Remote Control FeaturesThese remote control features require a customer–supplied normally–closed con

FUNCTIONAL TESTSeries 1856381333–319 DAfter installing the Series 185 automatic transfer switch(ATS) perform the following three–part functional test.

Sequence of Operation --- Utility FailureSeries 1857381333–319 Dwait 10 sec.for generatorto war m upgenerator runsunloadedfor 2 min.generatorstartingU