Emerson 7000 SERIES ATB manual

381333–133 A 50 Hanove r Road, F lorham Park, New J ersey 07932–1591 USA 1 800 937–2726 (A SCO ), f or service call 1 800 800– 2726 (AS CO) www.asco.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–[...]

SECT ION 1 INST ALLA T ION 1- - 1 The A SCO 7000 Serie s A utomatic T ransfer & Bypa ss– Isol ation Sw itch (A TB) c ons ists of an upper b ypass –isol a- tion switch, a transfe r switch, a m onitori ng and transfe r controller, and door–mounted controls. The A TB is factory w ired and tested. Install ation requires rem oval o f the ship [...]

INST ALLA T ION (cont inued) 1- - 2 Connect i ng Power Conducto rs A Wirin g Diagram is furn ish ed with the A TB. All w irin g must be ma de i n accord an ce wi th the lo cal codes . Af t er the pow er c abl es have been tested, connec t them to the appropria te termina l lugs on t he Bypa ss Switch a s shown on the w iring diag ram p rov ided w i[...]

INST ALLA T ION (cont inued) 1- - 3 In stall the T ransf er Switch After the enclosure is inst alled and power cables or bus con nec ted to the Bypass Switch, the T ransfer S witc h c a r r i a g ec a nb er o l l e di n . T h ef l o o ro ft h ec a b i n e tm u s tb e free of d ebris and c lean . If nec essar y, use a v acuu m c l eaner. Make a thor[...]

INST ALLA T ION (cont inued) 1- - 4 Inspectio n 1 Do no t fo rce the Isol ation Hand le. B e sure that th e sen si ng lead is olati on c ont act s do not hi t t h e male st abs he ad on, but rat h er sli de on t h em. ! stab sensi ng le ad contac t isolat ion co ntacts IS TS Figur e 1–5 . Is olat ion con ta ct s in TE ST pos ition . Move AT S fro[...]

INST ALLA T ION (cont inued) 1- - 5 Tr a n s f e r S w i t c h Conne cte d To Normal Tr a n s f e r S w i t c h Conne cte d To Emergency Normal Source Accepte d Emergency Source Accepte d Tr a n s f e r Control Retrans fer Dela y Bypas s Tr a n s f e r Te s t HOLD FOR 15 SECO NDS RED RED GREEN GREEN ( ) Automat ic T ransfer & Byp ass–Isol ati[...]

INST ALLA T ION (cont inued) 1- - 6 2 – Manual Operation T est This procedure will check the manual operation of the Bypass Switch, Isolation Switch, and T ransfer Switch. Obs erve th e lig hts on the Status Ind icator panel. The Bypass Swit ch CLOSED ON NORM AL and the TEST lights should b e on. See Figure 1–11. 1. Is olate the A utomatic T ra[...]

INST ALLA T ION (cont inued) 1- - 7 Tr a n s f e r S w i t c h Conne cte d To Normal Tr a n s f e r S w i t c h Conne cte d To Emergency Normal Source Accepte d Emergency Source Accepte d Tr a n s f e r Control Retrans fer Dela y Bypas s Tr a n s f e r Te s t HOLD FOR 15 SECO NDS RED RED GREEN GREEN ( ) Automat ic T ransfer & Byp ass–Isol ati[...]

SECT ION 2 TEST ING & SERV ICE 2- - 1 TRA NS FE R TEST T est the A utomatic T ransfer Switch porti on of the 7000 Series A TB a t least once a month. T his procedure checks the electric al operation of the T ransfer Switch an d Controller. Put t he engine –generator st arti ng control (at the engine –generator set ) in a utomatic mode. In t[...]

TEST ING & SERV ICE (continued) 2- - 2 TROUBL E-SHOOTING Note any opti onal accessories that may be furnishe d on the A TB and rev iew their ope ration . R efer to any sep a- rate draw ing s and/ or in stru ction s that may b e pac ked with the A TB. Haz ardou s v oltage c apable of caus in g sh ock , burns, or death is used in this swi tch. Do[...]

SECTION 3 B Y P AS SING & ISOLA TING 3- - 1 BY PA S S I N G This pr oc edu re explains h ow to Bypass the cl os ed A utomatic T ransfer Sw itch con tacts . Bypassing is re- quired b efore the A TS can be tested or isolated . The Bypass Swit ch must be in the AUTOMATIC POS (posi- tion) and the Isol ation Han dl e mu st be in the connec ted posit[...]

B Y P AS SING & ISOLA TING (continued) 3- - 2 TRAN SFER SWIT C H REMO V AL This p roc ed ure e xpl ains how to rem ov e the T ran sfer Switch for inspecti on and maint enance. 1. Bypass an d Iso late th e A utomatic T rans fer Sw itc h by carefully following di rections on page 3–1. Be sure that the A TS POS ITION DISCONNECTED ligh t i s on. [...]

B Y P AS SING & ISOLA TING (continued) 3- - 3 RETURN TO SERVI CE This proc edu re expl ains h ow to retur n the A utom atic T ransfer S witc h to se rvic e after insp ectio n and maintena nce. Observe t he A TS POSITION lights on t he ST A TUS INDICA TOR panel. 1. Install the T ransfer Switch int o t he enclosure. Caref ully follow directions o[...]

INDEX Printed in U .S.A. A auxil iary c irc uits , 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 power, 1–2 cont ro lle r disconnecting, 2–1 see Controller Us er’s Gu ide E elec tric al operation, 1–7 Em erg ency Sou rc e A cc epted l ight, 1–5 engine st arti ng contacts,[...]