Instruction/ maintenance manual of the product 7000 SERIES ATB Emerson
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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.
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.
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 .
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 .
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 .
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.
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.
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.
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.
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.
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 .
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.
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.
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 disconne.
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However, one of the most important roles played by the user manual is to help in solving problems with Emerson 7000 SERIES ATB. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Emerson 7000 SERIES ATB along with tips on how to solve them. Even if you fail to solve the problem, the manual will show you a further procedure – contact to the customer service center or the nearest service center
