Page 2 - Nameplate; The Transfer Switch nameplate includes data for; Catalog Number Identification; A typical Catalog Number is shown below with its
Series 185 381333–319 D Nameplate The Transfer Switch nameplate includes data for each specific ASCO Series 185 ATS. Use the ATS only within the limits shown on this nameplate. Catalog Number Identification A typical Catalog Number is shown below with its elements explained. The example is for a D–d...
Page 3 - INSTALLATION
INSTALLATION Series 185 1 381333–319 D Installation of the ASCO Series 185 automatic transferswitch (ATS) must be performed by a licensed electrician.It must be installed according to the National ElectricalCode (NEC) and all local electrical code requirements.Remove the enclosure cover and inspect ...
Page 4 - CONTROLLER; Before using the transfer test button, be sure that; This light indicates the status of the generator exerciser:
CONTROLLER Series 185 2 381333–319 D The Group 4 digital Controller is used in ASCO Series185 automatic transfer switches. It provides the sensing,timing, and control functions for the ATS. This micro–processor–based controller includes built–in controlbuttons and status lights for control of the AT...
Page 5 - Figure 4. TB7 generator starting contact terminals.; Table A. Generator Start Connections; Clock Battery; Duracell MN; Exercise with or without Load; Table B. Generator Exercise Settings; To Set Exerciser; Set Engine Exerciser; To Cancel an Active Exercise Period; Press the; Bypass Time Delay; button to stop an exercising
CONTROLLER Series 185 (continued) 3 381333–319 D 3 --- Generator Starting Contacts The generator starting contacts connections are on thecontroller. Refer to the generator manual. Disconnectthe generator battery and verify that the ignition switch isin the OFF position. Connect the generator startin...
Page 6 - Figure 6. DIP switches S1 and S2 at the top right.; Table C. Time Delay Settings
Series 185 CONTROLLER (continued) 4 381333–319 D S2 DIP switch S1 DIP switch Figure 6. DIP switches S1 and S2 at the top right. The time delay settings are shown in Figures 6 and 7 andin Table C. The sensor settings are shown in Figure 6and in Table D. The standard (factory) settings areshown in Tab...
Page 7 - Remote test; Table F. Remote transfer to generator; Bypass load transfer to utility time delay; Table G. Bypass load transfer to utility time
CONTROLLER Series 185 (continued) 5 381333–319 D 6 --- Remote Control Features These remote control features require a customer–supplied normally–closed contact suitable for a 5 V dclow energy circuit. Refer to the wiring diagram providedwith the ATS. Activate the appropriate DIP switch S3actuators ...
Page 8 - FUNCTIONAL TEST; Do not manually operate the transfer switch; ALL POWER OFF
FUNCTIONAL TEST Series 185 6 381333–319 D After installing the Series 185 automatic transfer switch(ATS) perform the following three–part functional test. 1 --- Manual Operation A handle is provided on the transfer switch formaintenance purposes only. Manual operation of thetransfer switch should be...
Page 10 - TROUBLESHOOTING; ELECTROCUTION FLASH HAZARD Do not work
TROUBLESHOOTING Series 185 8 381333–319 D This troubleshooting guide describes some of the simplecauses of problems with the installation of the automatictransfer switch. Troubleshooting beyond the scope of thisguide should not be attempted by the installer. A licensedelectrician must perform all in...
Page 11 - Problem
TROUBLESHOOTING Series 185 (continued) 9 381333–319 D Problem Cause and Solution The ATS does not immediately transfer the load to the generator. 1. Verify that the Generator Acceptable light is on. If it is off, see previous trouble- shooting problem. The ATS will not transfer the load to an unacce...
Page 12 - INDEX; see
INDEX Series 185 Printed in U.S.A. Copyright --- ASCO Power Technologies, L.P. 2009 10 381333–319 D A Automatic Generator Exerciser, 2, 3, 9 B battery, clock, 3buttons, push, 2Bypass Time Delay, button, 2, 6 C cable spacers, 1catalog number, inside coverclock battery, 3connections electrical power, ...