Instruction/ maintenance manual of the product 300 Emerson
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381333–289 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, .
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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 the A TS only wit hin the limits show n on this namep late. Ca talog Num ber Identif icatio n A typ ica l C ata l og Numbe r i s s hown be lo w wi th i ts elements ex plained .
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SECT ION 1 INST ALLA TION 1 --- 1 Series 300 A utomatic T ransfer Sw itches are fac tory wired an d tested. Install ation requir es skid rem oval then sec urin g the enc los ure to the s uppor ting foundation.
ter min al b lock f or e ngin e s ta rt a nd auxiliary ci rcuit connections left s id e of transfer switch COMMON FEA TU RE 7 closes to start FEA TU RE 8 open s to star t COMMON FEA TU RE 14B closed o.
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 chec ks, and el ectrical operation. NOT ICE Do these checks in the order presented to avoid damaging the auto matic transfer s witch.
INST ALLA TION (cont inued) 1 --- 4 Fi gure 1 -4 . Maintenance handle o peration and co ntact positi on indic ators. observe these l ights Figure 1–5.
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 contro ls 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 the A utomatic T ransfe r Switch.
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 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).
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 .
SECT ION 4 ADJUST MENTS 4 --- 1 Ti me De l a y Ad 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).
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.
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 be s et to exercise w ith or withou t load tr ansfer, or they can b e compl etely disab led.
CONTRO L F EATURES (continued) 5 --- 2 Opt ion al Ac ce ssory 11BG – SOURCE A VAILABILITY 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.
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 m od ule) Haza rdous vol tage ca pabl e of causin g shock, burns, o r death is used in this t ransfer switch.
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 .
CONTRO L F EATURES (continued) 5 --- 5 OPTIONAL STR IP HEA T ER (Accessor y 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 is a cces so ry co nsi s ts of a mounting bra cket with strip heat er, thermosta t, and terminal block.
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 dela.
An important point after buying a device Emerson 300 (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 300 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 300 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Emerson 300 you will learn all the available features of the product, as well as information on its operation. The information that you get Emerson 300 will certainly help you make a decision on the purchase.
If you already are a holder of Emerson 300, 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 300.
However, one of the most important roles played by the user manual is to help in solving problems with Emerson 300. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Emerson 300 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
