Instruction/ maintenance manual of the product FDESIGN 30004000A Emerson
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381333–129 C 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, .
Ca talog Num ber Identif ication T ypical 7000 Series catalog no. f or G–design s witched neutral, 3 pole, 2000 A, 480 V , ADTS in T ype 1 enclosure: 7ADT S B 3 2000 N 5 C Phase Poles Neutral A –s.
Rating La bel Eac h automatic delayed –transition tr ansfer switch c ontains a rati ng label t o de fine t he load s and f ault circuit withsta nd / cl osing r atings. R efer to the label on th e transfer switch for spe cific v alu es. Do no t exceed the values o n the rating la bel.
SECTION 1 INST ALL A TION 1- - 1 A SCO Serie s 7000 A utomati c Delaye d–T ra nsiti on T ransfer S witches ar e factory wir ed and tested. Field instal latio n simp ly requ ires m ounting and con nec tion of ser vice cab les , and auxil iary con trol c irc uits (if requir ed).
INST ALL A TION (continued) 1- - 2 Tig hten bol ted joints to the torqu e specified in T abl e A. The re lia b l ility o f t he co nne ctio n dep en ds on how cle an and how ti ght th e joi nt is.
INST ALL A TION (continued) 1- - 3 handle handle shafts handle Figure 1- 2. Figure 1- 3. Figure 1- 4 150 – 400 A (3 pole) 600 & 800 A (& 4 pole 400 A) 3000 & 4000 A E–design switches F.
INST ALL A TION (continued) 1- - 4 obse rve these li ghts RED RED GREEN GREEN AMBER Figure 1- 6. Standard controls and i ndicators. 2–V o l t a g e C h e c k s First check nameplate on tra nsfer swi tch; rated voltage m u s tb et h es a m ea sn o r m a la n de m e r g e n c yl i n ev o l t a g e s .
INST ALL A TION (continued) 1- - 5 obse rve these li ghts RED RED GREEN GREEN AMBER oper at e this s w itch Figure 1- 7. Standard controls and i ndicators. 3 - - - Electrical O pera tion Th i s pr oce du re wi ll che ck t he e le ctr ica l o pe ra ti o n o f t he A utomatic Del ayed–T ransition T ransfer Sw itch.
SECT ION 2 TEST ING & SERVICE 2 --- 1 TRA NS FE R TEST Operate t he 7000 Series ADTS at least o nce a month by foll owing the five–step Elect rical Operat ion Tr a n s f e r Te s t procedure on page 1–5.
TEST ING & SERVICE (continued) 2 --- 2 MAN UAL L OAD T RANSFE R This pr oced ure wil l m anual ly tran sfer the l oad if the control panel is disconnected. Do no t manua ll y op erate the transfer switch until both po wer so urces are disconnected (al l co nductors deenergized).
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INDEX Printed in U .S.A . E ASCO Power T echnologies, L.P . 2009 A auxil iary cab le box, 1 –1 auxil iary cir cuits , 1–2 B barriers, 1–1 C cable lugs, 1–2 prepar ation, 1–2 cat alo g nu mbe.
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