Instruction/ maintenance manual of the product 381333230 Emerson
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381333–230 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, .
Ca talo g Number Iden tifica tion T ypical A SCO 386 catal og no. for solid neutral, 3 pole, 150 amp, 480 V , N–A TS in T ype 1 enclosure: D 386 A 3 150 N 1 C Phase Poles Neutral A –s o l i d C .
Ca talo g Number Iden tifica tion T ypical A SCO 386 catal og no. for solid neutral, 3 pole, 230 amp, 480 V , N–A TS in T ype 1 enclosure: D 386 A 3 230 N 1 C Phase Poles Neutral Amperes Vo l t a g .
SECT ION 1 INST ALLA TION 1 --- 1 A SCO 386 Non– A utomatic T ransfer Switc hes are factory wired an d tested. Ins tall ation requir es s kid rem oval then securing the enclosure to the supporting foundati on.
INST ALLA TI ON (continued) 1 --- 2 F unctio nal T est The F unctional T est cons ists of three chec ks: manu al operation, v oltag e ch ecks, an d elec trical operation. Do these che cks in the orde r pres ented to avo id dama ging the non–a utomatic transfer switch.
INST ALLA TI ON (continued) 1 --- 3 F unctio nal T est (cont inued) 2–V o l t a g e C h e c k s First check nameplate on the transfe r switch for ra ted vol tage. I t shoul d be th e same as the norm al and emerg enc y line vol tages. Use extreme caution when usi ng a meter to m ea sure volta g es in the f o ll o wing steps.
SECT ION 2 SEQUENCE OF OPERA TION 2 --- 1 Co nt ro ller Co de 1 Re f e r t o Section 5, Optional A ccess orie s for add itional control f unction s. Re fe r t o Wiring Dia gram furnis hed wit h t he ASCO 386. Note Control F eatures furnish ed on t his swit ch , and review operation.
SECT ION 3 TEST ING & SERVIC E 3 --- 1 PREVENTIV E MAINTENANCE R easonab le car e in preve ntive m ainten ance wil l in sur e high reliabilit y and long l ife f or the switch. An a nnual preventi ve mainte nance program is recom mended. AS C O S e rv i c e s , In c .
TEST ING & SERVIC E (continued) 3 --- 2 MAN U AL L OAD T RANSFE R This pr oc edure w il l m anual ly tr ansfe r the l oad if the Controller is di sconnected. Do no t manua ll y op erate the transfer switch until both po wer so urces are disconnected.
SECT ION 4 ADJUST MENTS 4 --- 1 Senso r Adjustments V oltage and frequency sensor pickup and dropout points are factor y set as specified on the W irin g Diagr am. The frequency se tti ng can be set for 50 or 60 Hz .. T o c hange this settin g, follow the proced ure bel ow.
SECT ION 5 OPTIONAL FEA T URES 5 --- 1 MOTO R L O AD TRA NSF ER Inphase monitori ng logic cont rol s trans fer and retrans fer of motor loads, so that i nrush currents do not exceed normal st arti ng current s. It avoi ds nui sance tri pping of circ uit breaker s and mechan ical dam ag e to m otor coup li ngs.
INDEX Printed in U .S.A. Copy right - - - ASCO Power T echnologies, L.P . 2007 A auxil iary c ircu its, 1–2 B barriers, 1–2 C cable lugs, 1–1 prepar ation, 1–1 spacers, 1–1 illustration of, .
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