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Emerson 7000 SERIES 7ADTB - page 1
381333–140 B 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 7000 SERIES 7ADTB - page 2
SECT ION 1 INST ALLA TION 1 --- 1 The A SCO 7000 Se ries A utomatic De layed–T ransiti on T ransfe r & Bypa ss–Iolation Switch (ADTB) consists of an upper bypass–i solatio n sw it ch, a transfer swit ch, a monitoring and t ransfer control panel, and door– mou nted control s. The ADTB is factory wired and tested. Ins tallation requires r ...
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Emerson 7000 SERIES 7ADTB - page 3
INST ALLA TION (cont inued) 1 --- 2 De–energ ize the conductors b efo re m aking a ny line or aux iliary circuitry co nnections. Be sure that Norma l and Emergency line co nnections are in prop er phase rota tion. Pla ce engine gen - erator sta rting control in the OFF position. M ake sure engine genera tor is not in operation. T esting Po wer Co ...
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Emerson 7000 SERIES 7ADTB - page 4
INST ALLATIO N (continued) 1 --- 3 RED RED GREEN GREEN obse rve these li ghts AMBER Figure 1- 3. Standard controls and i ndicators. F unctio nal T e st R ead all instruc tions on the W iring D iagrams and label s affi xed to the ADTB. Note the control fe atures tha t are provided and r eview their operation before pr oceeding. After ins talling the ...
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Emerson 7000 SERIES 7ADTB - page 5
INST ALLA TION (cont inued) 1 --- 4 RED RED GREEN GREEN obse rve these li ghts AMBER oper at e this s w itch Figure 1- 4. Standard controls and i ndicators. 2 – Electrica l Opera tion Th i s pro ced ur e che cks e le ctr i cal op er at i on o f t he A T S. Be sur e to clos e the e nclos ure door befo re pro ceeding to prevent persona l injury in ...
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Emerson 7000 SERIES 7ADTB - page 6
SECT ION 2 TEST ING & SERVIC E 2 --- 1 TRANS FER TEST T est the A utom atic Delayed– T r ansition T ransfer Sw itch portion o f the 7000 Se ries ADTB at least once a month. This proc edure chec ks the elec trical oper ation of the T ransfer Sw itch and Contr oller . T urn the Engi ne Control switch t o Au t o and put the engine–g enerator s ...
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Emerson 7000 SERIES 7ADTB - page 7
TEST ING & SERVIC E (continued) 2 --- 2 TR OUBL E -SHOOTING Note any opti onal accessories that may be furnished on the ADTB and review th eir operation. R efer to any separ ate drawing s and/ or instr uctions that m ay b e packed with the A DTB. Haz ardous v oltage ca pable of causi ng shoc k, burns, or death is used in this swi tch. Do not to ...
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Emerson 7000 SERIES 7ADTB - page 8
SECTION 3 B YP ASS ING & ISOLA TING 3 --- 1 BY P A S S I N G T H E AT S * This pr oced ure expl ains h ow to Byp ass the c lo sed autom atic transfer switch con tacts. Bypassing is requir ed before the A TS can be tested or isolated. The Bypass Han dle mus t be in t he OPEN position (green indi cator) and the Isolation Han dle mu st be in the C ...
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Emerson 7000 SERIES 7ADTB - page 9
B YP AS S ING & ISOLA TING (continued) 3 --- 2 ISOLA TING T HE A T S Isolating is required before any service work can be perform ed on the automatic transfer sw itch (A TS). R efer to Figures 3–4, 3–5, 3–6, and 3–7. 1. B ypass t he closed autom atic transfer switch c ontacts. See BY PAS S I N G on page 3–1. Al ig n po s ition in dica ...
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Emerson 7000 SERIES 7ADTB - page 10
B YP AS S ING & ISOLA TING (continued) 3 --- 3 RETURN TO SERVI CE This proc edur e expla ins how to return the automatic tr an sf er s wi tch ( A TS) t o s er vi ce a ft e r i nsp ect i o n and maintena nce. Ob serve t he By pass Sw itch P osition in dica - tor and lights). R ef er to Figures 3–7, 3–8, 3–9, and 3–10. 1. Sli de the trans ...
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Emerson 7000 SERIES 7ADTB - page 11
B YP AS S ING & ISOLA TING (continued) 3 --- 4 RETURN TO SERVI CE continued * This proc edure exp lains how to return the Bypass Switc h Hand le to the OPEN position . Th e Bypass Handl e must be i n the CL OSED positi on (yellow indicator on NOR - MAL or EMERGENCY ) and the Is olation Handl e mus t be in t he TEST posi tion (window). If the ha ...
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Emerson 7000 SERIES 7ADTB - page 12
INDEX Printed in U .S.A . Copy right ASCO Power T echnologies, L.P . 2007 A auxil iary cir cuits , 1–2 B bus connections, 1–2 bypassing t he A TS, 3–1 C cat alo g nu mber, cove r cleaning, 2–1 connections line, 1–1 cont ro lle r disconnecting, 2–1 see Controller Us er’s Gu ide E elec trical operation , 1–4 Em ergenc y Source A cc ep ...
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