Emerson 7ACTB manual

381333–136 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, 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 )[...]

SECT ION 1 INST ALLA TION 1 --- 1 The ASCO 7000 Se ries A ut omatic Closed–T ransiti on T ransfer & Bypass–Isolation Switch ( ACTB) consists of an upper bypass–i solatio n sw it ch, a transfer swit ch, a monitoring and transfer control ler, and door–mounted controls. T he A CT B is factory wire d a nd teste d. Installation requi res rem[...]

INST ALLA TION (cont inued) 1 --- 2 De–energ ize the conductors b efo re m aking a ny line or a uxiliary 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[...]

INST ALLATIO N (continued) 1 --- 3 RED RED GREEN GREEN obse rve these li ghts RED RED RED Figure 1- 3. Standard controls and i ndicators. F unctio nal T est R ead all instruc tions on the W irin g Diagrams and label s affi xed to t he A CT B. Note the control features tha t are provided and r eview their operation before pro ceeding. After in stall[...]

INST ALLA TION (cont inued) 1 --- 4 RED RED GREEN GREEN obse rve these li ghts RED RED RED oper at e this s w itch Figure 1- 4. Standard controls and i ndicators. 2 – Electrica l Op eratio n 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 nclosu re door befo re pro ceeding to prevent perso nal inj[...]

SECT ION 2 TEST ING & SERVICE 2- -1 TRA NS FE R TEST T est the A utom atic Closed –T ran sition T ransf er Switc h portion of t he 7000 Series ACTB at least once a month. This proc edure chec ks the elec trical oper ation of the T ransfer Switc h and Control P anel. T urn the Engine C on- trol swit ch to Au t o and put the engine– genera to[...]

TEST ING & SERVICE (continued) 2- -2 TROUBL E-SHOOTING Note any opti onal accessories that may be furnished on the ACTB and review their operation. R efer to any sepa- rate draw ings an d/or instr uction s that may be p acked with the A CTB. T abl e 2-1. T roubl e-Sh ooti ng Che cks. Haz ardous v oltage capable of c ausin g shock , burns, or de[...]

SECTION 3 B YP ASS ING & ISOLA TING 3 --- 1 BY PA S S I N G T H E A T S * This pr ocedu re expl ains h ow to Byp ass the c los ed autom atic transfer sw itch contac ts. Bypassing is required before the A TS can b e 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 [...]

B YP AS SING & ISOLA TING (continued) 3 --- 2 ISOLATING THE A TS Isolating is required before any service work can be perform ed on the automatic trans fer switch ( A TS). R efer to Figures 3–4, 3–5, 3–6, and 3–7. 1. Bypass t he closed automatic trans fer switch c ontacts. See BY PAS S I N G on page 3–1. Al ig n po s ition in dica to [...]

B YP AS SING & ISOLA TING (continued) 3 --- 3 RETURN TO SERVI CE This proc edure explain s how to r eturn the automatic tr an sf er s wi tch ( A T S ) to s er vi ce a f te r i ns pe cti o n and maintena nce. Observe t he Byp ass Sw itch P osition in dica- tor and lights). R ef er to Figures 3–7, 3–8, 3–9, and 3–10. 1. Slide the tra nsfe[...]

B YP AS SING & ISOLA TING (continued) 3 --- 4 RETURN TO SERVI CE cont inued* 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 CLOSED positi on (yellow indicator on NOR - MAL or EMERGENCY ) and the Is olation Handl e must be in t he TEST posi tion (window). If the ha nd[...]

INDEX Printed in U .S.A . Copy right ASCO Power T echnologies, L.P . 2007 A Alarm R eset pushbutton, 1–4, 2–2 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 closed–transiti on tra nsfer, 1–4 connections line, 1–1 cont ro lle r disconnecting, 2–1 see Controller[...]