Instruction/ maintenance manual of the product 381333122 E Emerson
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381333–122 E 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,.
Namepl ate The T rans fer Switch nam epla te incl udes data for each sp ecific A SCO S eries 300 A TS. Use th e A TS only wit hin the limits show n on this namep late. Ca talog Num ber Identif ication A typ ica l Ca ta lo g Number is sho wn bel ow w it h it s elements ex plained .
SECTION 1 INST ALLA TION 1- - 1 A SCO Series 300 A utomatic T ransfer Sw itches (A TSs ) are Liste d under Underwriters L aboratori es UL 1008 Standa rd for Safe ty for A utomati c T ransfer Swit ches. Seri es 300s are also Liste d under CSA C22.2 No.
INST ALLA TION (continued) 1- - 2 Contr oller Ground A g rounding wire m ust be c onnected to th e control ler’s lower left mounting stud. Be cause the controller is mounted on the enclosure door, a conductive strap must be used between the enclosure and the door.
INST ALLA TION (continued) 1- - 3 F unctio nal T est The F unctional T est consists of thr ee chec ks: manual operation, v oltage checks , and elec trical operation. Do these che cks in the orde r pres ented to avoi d damagin g the aut omati c tran sfer sw it ch.
INST ALLA TION (continued) 1- - 4 observe these l ights Figure 1–5. Standard control s and indicators. 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 ALLA TION (continued) 1- - 5 p r e s st h i sb u t t o n observe these l ights Figure 1–6. Standard control s and indicators. 3 – Electrica l Opera tion Th i s pr oce du re wi ll che ck t he e le ctr ica l o pe rt i on o f t he A utomatic T ransfer Switc h.
Hol d 15 sec .t o start t he engine generator and to transf er the load to emergency . Press to cancel the active exercise period (sto ps engine now or afte r cooldow n) Se e page 5– 1. Hol d 5 sec .t os e t 20 min. engine ex ercise perio d immediately (engine starts) and weekly thereaf ter .
SECT ION 3 TEST ING & SERVIC E 3 --- 1 PREV ENTIV E MAIN TENANC E F or high re liabil ity and long lif e for the A TS: Ope rate t he swi tc h at l east o nce a mont h .P e r f o r m t h i s 4–step Electrical Operat ion T e st (te st with load t ransfer).
TEST ING & SERVIC E (continued) 3 --- 2 MANUAL L OAD TR ANSFER This pr oced ure wil l m anual ly tran sfer the l oad if the cont ro lle r is d i sco nne ct ed . Do no t manua ll y op erate the transfer switch until both po wer so urces are disconnected: open b oth circuit breakers.
SECT ION 4 ADJUST MENTS 4 --- 1 Ti me De lay A d j u st m e nt Standard ti me delays are set to customer specifi cations (if none specif ied, st andard factory set tings are used). T o change a set ting, follow procedure on page 4-2. Use T abl e 4-1 as a guid e to time del ay val ues and their corre- sponding adjustment DIP switch or potentiometer.
ADJUST MENTS (continued) 4 --- 2 Do not make any setting chang es while the control le r is energized. How to Change a Setti ng 1. P revent the transfer switch from operating by discon- nec ting one s ourc e first, then the oth er, as foll ows : a.
SECTION 5 CONTROL FEA TUR ES – ENGINE EXERC ISERS 5 --- 1 These timer s periodical ly exerc ise the emer genc y engine-g enerator pl ant. They can be set to exer cise with or w ithout load tr ansfer, or they can b e compl etely disabl ed.
CONTRO L F EATURES (continued) 5 --- 2 Opt ion al Ac ce ssory 11BG – SOU RCE AV AILABILIT Y SIGNAL & P ROGRAMMA BLE ENG INE EX ERCIS ER MODU LE 2–line display 3 buttons connectio ns for source ava ila bilit y signal co ntacts Figure 5–2.
Fa s t/ Sl o w A d j u st Dayl ight Savi ng Time A dj ust Date Time Start T Ime Engine Exerciser Run TIm e CONTRO L F EATURES (continued) 5 --- 3 How to Set Option a l Progra mm ab le En gin e Exe rcis er (p art o f Acc. 11B G module) Haz ardous v oltage ca pable of causi ng shoc k, burns, or death is used in this t ransf er switch.
CONTRO L F EATURES (continued) 5 --- 4 INPHASE M ONITOR FOR M OTOR LOAD TRAN SFE R Inphase monitori ng logic cont rols tran sfer and retransfer of motor loads, so that i nrush currents do not exceed normal st arti ng current s. It avoids nuisa nce tri pping of circ uit breaker s and mec hanical d amage to motor coup li ngs.
CONTRO L F EATURES (continued) 5 --- 5 OPTIONAL STR IP HEA TER (Accessor y 44) A cc essory 44 Str ip Heater is design ed to keep ambient temp eratures w ithin the A utom atic T ransfer Sw itch en closu re a t a cce pt ab le lev els . T hi s a cce sso ry co ns i st s of a mou nting brac ket with strip heater, thermos tat, and terminal block.
INDEX Printed in U .S.A . Copy right - - - ASCO Power T echnologies, L.P . 2009 A accessories, 5–2, 5–5 auxil iary cir cuits , 1–2 B battery , 4–2, 5–1 buttons, push, 3–1 bypass time delay.
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If you already are a holder of Emerson 381333122 E, but have not read the manual yet, you should do it for the reasons described above. You will learn then if you properly used the available features, and whether you have not made any mistakes, which can shorten the lifetime Emerson 381333122 E.
However, one of the most important roles played by the user manual is to help in solving problems with Emerson 381333122 E. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Emerson 381333122 E 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
