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Manual Emerson 400A

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  • Emerson 400A - page 1

    381333–067 K 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, 17 Airport R oad, Brantf ord, O ntario, Can ada N 3T 5T3 Operator’s Manual Seri es 300 Automatic T ransfer S witc hes E–d esi g n, 260 an d 400 A ...

  • Emerson 400A - page 2

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  • Emerson 400A - page 3

    Nameplate and Catalog Number Identificati on The T rans fer Swi tch name plate i nclude s data for e ach speci fic ASCO Series 300 A TS. Use the A TS only with in the limits show n on this namep late. A typical Catalo g Num ber is shown b elow with it s elements expla ine d. The exampl e is for a Ser ie s 300 A TS with switched neutr al , 3 pol e, ...

  • Emerson 400A - page 4

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  • Emerson 400A - page 5

    SECT ION 1 INST ALLA TION 1 --- 1 Series 300 A utom atic T ransfer Switc hes are factory w ired and tested. Install ation requires skid removal then sec ur- ing the enclosure to the supporting foundati on. Suppo rtin g Fo undat ion The su ppor ting fo undation fo r the enc los ure m ust b e level and straig ht. R efer to the applic able en clos ure ...

  • Emerson 400A - page 6

    INST ALLA TION (cont inued) 1 --- 2 Engine Starting Contacts The engine control c onta ct connec ti ons are located on the t ransfe r switch. Connect si gnal wires t o appropri at e term– inals as speci fied i n T a ble A, shown in Figure 1–2. T able A. Engine start connectio ns. When norma l so urce fails T erminal s on tra nsfer switch contac ...

  • Emerson 400A - page 7

    INST ALLA TION (cont inued) 1 --- 3 F unctio nal T est The F unctional T est consists of thr ee chec ks: manual operation, v oltage check s, and el ectrical operation. NOT ICE Do these checks in the order presented to avoid damaging the auto matic transfer s witch. R ead all instructions on the W iring Diagram and labels affixed to the autom atic t ...

  • Emerson 400A - page 8

    INST ALLA TION (cont inued) 1 --- 4 observe these l ights Figure 1–5. Standard control s and indicato rs. 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 . Use ext reme caution when using a meter to measure volta ges in the fo ...

  • Emerson 400A - page 9

    INST ALLA TION (cont inued) 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 indicato rs. 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 ra ti o n o f t he A utomatic T ransfer Switc h. Close th e transfe r switc h encl osure door a nd tighten t he screws befo re ...

  • Emerson 400A - page 10

    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 . ³ blinks sl owly when button is r eleased (set) and d ...

  • Emerson 400A - page 11

    SECT ION 3 TEST ING & SERVIC E 3 --- 1 PREV ENTIV E MAIN TENAN CE F or high rel iabil ity and long l ife for the A TS: Ope rate t he sw itc h at l east o nce a mo nth .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). T r ansfer Swi tch T est 1. Press and ho ld the door -mounted T ra nsfer T est button unt ...

  • Emerson 400A - page 12

    TEST ING & SERVIC E (continued) 3 --- 2 MANUAL L OAD TR ANSFER This pr oced ure w ill m anual ly tr ansfer th e load if th e cont ro lle r is d i sco nne ct ed . Do no t manually operate the transfer switch until bot h power so urces are disconnected: open bot h circuit breakers . 1. Open normal and emergency source ci rcuit brea kers. 2. Use t ...

  • Emerson 400A - page 13

    SECT ION 4 ADJUST MENTS 4 --- 1 Ti me De l ay A d j u st m e n t Standard ti me delays are set to customer specificati ons (if none specif ied, st andard factory set tings are used). T o change a setting, follow proc edure on page 4-2. Use T abl e 4-1 as a gu ide to time del ay values and their c or- responding adjustment DIP switch or potentiomete ...

  • Emerson 400A - page 14

    ADJUST MENTS (continued) 4 --- 2 NOT ICE Do not make any set ting changes while the contro ller is energized. How to Change a Setti ng 1. Prev ent the transfer switch from operating b y discon- nec ting one s ourc e first, then the o ther, as fol low s: a. If the transfer s witch is in the No rmal p osition, ope n t he e mer gen cy so urce ci r cui ...

  • Emerson 400A - page 15

    SECTION 5 CONTROL FEA TURES – ENGINE EXER CISERS 5 --- 1 These timer s periodic ally exer cise the em ergenc y engine-g enerator p lant. They can b e set to exercise w ith or withou t load tr ansfer, or they can b e compl etely disab led. The engine-gen erator shoul d be exercised u nder load on ce a week for a minimum time period of 20 minutes, ...

  • Emerson 400A - page 16

    CONTRO L F EATURES (continued) 5 --- 2 Opt ion al Ac ce ssory 11BG – SOURCE AV AILABIL ITY SIG NAL & P ROGRAMMA BLE EN GINE EX ERCIS ER MOD ULE 2–line display 3 buttons connectio ns for source ava ila bilit y signal co ntacts Figure 5–2. Accessory 11BG module ( mounted behind operato r interface and connected to the co ntroll er) incl ude ...

  • Emerson 400A - page 17

    Fa s t/ Sl o w A d j u st Dayl ight Savi ng Time A dju st 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. 11BG mo dule) Haza rdous vol tage ca pabl e of causin g shock, burns, o r death is used in this t ransfer switch. Deenergize bo t ...

  • Emerson 400A - page 18

    CONTRO L F EATURES (continued) 5 --- 4 INPHASE M ONITOR FOR M OTOR LOAD TR ANSF ER Inphase monitori ng logic con trols tr ansfer and retransfe r of motor loads, so that inrush current s do not exceed normal starti ng currents. It a voids nuisance tripping of cir cuit breakers and m echanic al damag e to mot or co up li ngs . The Motor Load T ransfe ...

  • Emerson 400A - page 19

    CONTRO L F EATURES (continued) 5 --- 5 OPTIONAL STR IP HEA TER ( Accessory 44) A cc essory 44 Str ip Heater is design ed to keep ambient temp eratures within the A utomatic T ransfer Switc h en closu re a t a ccep ta ble le ve ls. Th i s acce sso ry co nsi s ts of a mounting bracket with strip heat er, thermosta t, and terminal block. A transformer ...

  • Emerson 400A - page 20

    INDEX Printed in U .S.A. Copy right - - - ASC O Power T echn ologies, L.P . 2011 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, 1–5, 2–1, 3–1 C cable lugs, preparation, 1–1 cat alo g nu mber, cove r cleaning, 3–1 connections engine control contact, 1–2 line, 1– ...

Manufacturer Emerson Category Switch

Documents that we receive from a manufacturer of a Emerson 400A can be divided into several groups. They are, among others:
- Emerson technical drawings
- 400A manuals
- Emerson product data sheets
- information booklets
- or energy labels Emerson 400A
All of them are important, but the most important information from the point of view of use of the device are in the user manual Emerson 400A.

A group of documents referred to as user manuals is also divided into more specific types, such as: Installation manuals Emerson 400A, service manual, brief instructions and user manuals Emerson 400A. Depending on your needs, you should look for the document you need. In our website you can view the most popular manual of the product Emerson 400A.

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A complete manual for the device Emerson 400A, how should it look like?
A manual, also referred to as a user manual, or simply "instructions" is a technical document designed to assist in the use Emerson 400A by users. Manuals are usually written by a technical writer, but in a language understandable to all users of Emerson 400A.

A complete Emerson manual, should contain several basic components. Some of them are less important, such as: cover / title page or copyright page. However, the remaining part should provide us with information that is important from the point of view of the user.

1. Preface and tips on how to use the manual Emerson 400A - At the beginning of each manual we should find clues about how to use the guidelines. It should include information about the location of the Contents of the Emerson 400A, FAQ or common problems, i.e. places that are most often searched by users in each manual
2. Contents - index of all tips concerning the Emerson 400A, that we can find in the current document
3. Tips how to use the basic functions of the device Emerson 400A - which should help us in our first steps of using Emerson 400A
4. Troubleshooting - systematic sequence of activities that will help us diagnose and subsequently solve the most important problems with Emerson 400A
5. FAQ - Frequently Asked Questions
6. Contact detailsInformation about where to look for contact to the manufacturer/service of Emerson 400A in a specific country, if it was not possible to solve the problem on our own.

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