Instruction/ maintenance manual of the product 386 Emerson
Go to page of 12
381333–086 D 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, .
.
SECT ION 1 INST ALLA TION 1 --- 1 A SCO 386 Non– A utom atic T ransfer Switc hes (N–A TSs) ar e fa ct ory wi r ed a nd t e st ed . Fi e ld i ns ta lla ti o n si mply require s mounti ng and connecti on of service cables, and auxi liary control circuits (i f re quire d).
INST ALLA TION (cont inued) 1 --- 2 Line Connections A Wirin g Diagram is furn ished w ith the A SC O 386 (separ ate from this m anual ). R efer to this drawin g. All wir i ng must be ma de i n acco rda n ce wit h th e Na ti o na l El ectric al Code and local c odes.
INST ALLA TION (cont inued) 1 --- 3 F unctio nal T est The F unctional T est consists o f three chec ks: manual operation, v oltage checks , and elec trical operation. NOT ICE Do these checks in the order presented to avoid damaging the non–auto matic transfer s witch.
INST ALLA TION (cont inued) 1 --- 4 F unctio nal T est (continued) 2–V o l t a g e C h e c k s First check nameplate on the transf er switch for ra ted vol tage. It shou ld b e the same as th e normal and emerg ency l ine voltag es. Use ext reme caution when using a meter to measure volta ges in the fo llowing steps .
SECT ION 2 SEQUENCE OF OPERA TION 2 --- 1 Co nt roller C ode 1 Re f e r t o Section 5, Optional A ccess ories f or additional con trol fun ctions. Re fe r t o Wiring Dia gram furnis hed wit h t he ASCO 386. Note Control F eatures furnish ed on th is s witch , and rev iew operation.
SECT ION 3 TEST ING & SERVIC E 3 --- 1 PREVENTIV E MAINTENANCE R easonab le c are in pr eventiv e mainten ance w ill insu re high reliabili ty and long life f or the swit ch. An annual preventi ve mainte nance program is recom mended. AS C O S e rv i c e s , I n c .
TEST ING & SERVIC E (continued) 3 --- 2 MAN UAL L O AD TRAN SFER This pr oced ure w ill m anual ly tr ansfer th e load if th e Controller is di sconnected. Do no t manually operate the transfer switch until bot h power so urces are disconnected: open bot h circuit breakers .
SECT ION 4 ADJUST MENTS 4 --- 1 Senso r Adjustments V oltage and freq uency sensor pickup and dropout points ar e factory set as sp ecified on the W iring Diagram. The freque ncy sett ing can be set fo r 50 or 60 Hz .. T o c hang e this setting , foll ow the pr ocedu re bel ow.
SECT ION 5 OPTIONAL FEA T URES 5 --- 1 MOTO R L OA D TRANS FER Inphase monitori ng logic con trols tr ansfer and retransfe r of motor loads, so that i nrush currents do not exceed normal starting currents. It avoi ds nuisance tripping of cir cuit breakers and m echanic al damag e to mot or co up li ngs .
INDEX Printed in U .S.A. Copy right - - - ASCO Power T echnologies, L.P . 2011 A auxil iary cir cuits , 1–1 B barriers, 1–2 bus connections, 1–2 C cable lugs, 1–1, 1–2 preparat ion, 1–1, 1.
An important point after buying a device Emerson 386 (or even before the purchase) is to read its user manual. We should do this for several simple reasons:
If you have not bought Emerson 386 yet, this is a good time to familiarize yourself with the basic data on the product. First of all view first pages of the manual, you can find above. You should find there the most important technical data Emerson 386 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Emerson 386 you will learn all the available features of the product, as well as information on its operation. The information that you get Emerson 386 will certainly help you make a decision on the purchase.
If you already are a holder of Emerson 386, 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 386.
However, one of the most important roles played by the user manual is to help in solving problems with Emerson 386. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Emerson 386 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
