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Emerson 185 - page 1
381333–319 A 50 Hanove r Road, F lorham Park, New J ersey 07932–1591 USA For sales or service call 1 800 800–2726 (A SCO ) www.ascopower .com AS CO PO WER TECH NO LOGI E S CA NA DA PO Box 1238, 17 Airport R oad, Brantf ord, O ntario, Can ada N 3T 5T3 telephone 519 758– 8450, f ax 519 758– 0876, f or service ca ll 1 888 234–2726 (A SCO ) ...
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Emerson 185 - page 2
Seri es 185 381333–319 A Namepl ate The T rans fer Switch nam epla te incl udes data for each spec ific A SCO Se ries 185 A TS . Use th e A TS on ly with in the limits shown o n this nameplate. Ca talog Num ber Identif icatio n A typ ica l Cata l og Number is shown be l ow with i ts elements ex plained . Th e example is f or a D–d esign , 2 pol ...
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Emerson 185 - page 3
INST ALLA TION Series 185 1 381333–319 A Instal lation of the ASCO Series 18 5 automatic transfer switc h (A TS) m ust be perfor med by a lic ensed elec trician. It m ust be in stall ed ac cor ding to th e National E lec tric al Code (NEC) and all l ocal el ectric al code requirem ents. R emove the enclosure c over and i nspect the A TS for shipp ...
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Emerson 185 - page 4
CONT ROLLER Seri es 185 2 381333–319 A The Gr oup 4 dig ital Con trol ler is us ed in A SCO Ser ies 185 autom atic transfer sw itches. It provides the sensing , timing, a nd control functions for the A TS. T his micro– processor–based control ler includes buil t–i n control buttons and sta tus lights for control of the A T S and generator. ...
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Emerson 185 - page 5
CONT ROLLER Series 185 (continued) 3 381333–319 A 3 - - - Gene rator S tarting Contacts The generat or starti ng contacts connections are on t he controller. R efe r to the generato r manual. Disconnect the ge nerator b attery and ve rify that the ig nition sw itch is in the OF F position. Connec t the gen erator startin g wires to t he appropri ...
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Emerson 185 - page 6
Seri es 185 CONT ROLLER (cont inued) 4 381333–319 A S2 DIP switch S1 DIP switch Fi gure 6. DIP switches S1 and S 2 at the top right. The ti me delay setti ngs are shown in Figures 6 and 7 and in T able C. The se nsor setti ngs are shown in Figure 6 and in T abl e D. The standard ( factory) settin gs are s h o w ni nT a b l e sC ,D ,a n dH . S3 DI ...
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Emerson 185 - page 7
CONT ROLLER Series 185 (continued) 5 381333–319 A 6 - - - Remote Contr ol F eatures These remote c ontrol feat ures r equire a custom er– sup pli e d no rma lly– clos ed co nt act s ui t able f o r a 5 V dc lo w energ y circ uit. R efer to the w iring diag ram pr ovided w i t ht h eA T S . A c t i v a t et h ea p p r o p r i a t eD I P s w i ...
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Emerson 185 - page 8
FU N CTIO NA L TE ST Seri es 185 6 381333–319 A After ins talling th e Series 185 autom atic trans fer switch (A TS) perfor m the fol lowing th ree–part func tional test. 1 --- M a n u a l O p e r a t i o n A hand le is provided on th e transfer sw itch for main te - nance purposes only. M a n u a l o p e r a t io n o f t he t ra n s f e r swit ...
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Emerson 185 - page 9
Sequence of Operat ion - - - Ut ility Failur e Seri es 185 7 381333–319 A wait 1 0 se c. for generator to warm up generator runs unloaded for 5 min. generato r starting Ut ility fails (longe r tha n 3s e c . ) generato r stops wait 1 5 min. for util ity to st abilize obser ve these power lights obser ve these swi tch lights waiting for ut ility t ...
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Emerson 185 - page 10
TR OUBLESHOOTING Seri es 185 8 381333–319 A This troubleshooting g uide describes some of the simple caus es of probl ems with the instal lation of the automatic transfer switch. T roubleshooting beyond the scope of this gu ide sho uld n ot be attem pted b y the instal le r. A lic ens ed elec trician must perform all internal tr oubles hooting. A ...
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Emerson 185 - page 11
TR OUBLESHOOTING Series 185 (continued) 9 381333–319 A Probl em Cause a nd Sol ution The A TS does not im mediatel y transfer th e load to the generator. 1. V erify that the Generator Acc epted lig ht is on . If it is off , see p revio us tro ubl e- shooting probl em. T he A TS will not transfer the load to an unacc eptable sourc e. 2. W ai t app ...
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Emerson 185 - page 12
INDEX Seri es 185 Printed in U .S.A. Copy right - - - ASCO Power T echn ologies, L.P . 2008 10 381333–319 A A A utomatic Generator Exerc iser, light, 2 B b a t t e r y ,c l o c k ,3 buttons, push, 2 Bypass T ime Del ay, button, 2 , 6 C cable s pa cer s, 1 cat alo g nu mber, in si de cov er cl ock batter y, 3 connections elec trical pow er, 1 engi ...
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