Instruction/ maintenance manual of the product Series 300 Emerson
Go to page of 20
381333–201 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 ransfer Switch namepl ate i ncludes data for each spec ific A SCO Se ries 300 A TS . Use th e A TS on ly with in the limits shown o n this nameplate. Ca talog Num ber Identif icatio n A typ ica l Cata l og Number is shown be l ow with i ts elements ex plained .
A SCO Series 300 A utomatic T ransfer S witches (A TSs) are Liste d under Underwriters L aboratori es UL 1008 St andard for Safety for A utom atic T ransfer Switc hes.
terminal bl ock TB for engine start and switch posi tion co ntacts Tr a n s f e r Switch Con tr oller power connectio ns power connectio ns membrane control s 1200 amp .
SECT ION 1 INST ALLA TION 1 --- 1 Series 300 A utomatic T ransfer Switc hes are factory wired and tested. In stall ation requires s kid rem oval then securing the enclosure to the supporting foundati on. Remove th e Shipping S kid Open the fr ont door and remove the four lag s crews (2 in front, 2 in rear) securing encl osure to the wood skid.
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 three ch ecks: m anual operation, v oltage c hecks, an d elec trical oper ation. Do thes e checks in the ord er pre sente d to avoi d damagin g the aut omati c tr ansfer s wit ch .
INST ALLA TION (cont inued) 1 --- 4 observe these l ights Figure 1–5. St andard co ntrols and indi cators. 2–V o l t a g e C h e c k s First check nameplate on transfe r switch; rat ed 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 (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 co ntrols and i ndicators. 3 – Electrica l Opera tion Th i s pro ced ure wi ll che ck th e ele ct ri cal oper ti o n of the A utomatic T ra nsfer 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 R easonab le care in prev entive m aintena nce wil l insu re high reliabilit y and long lif e for the automatic transfer switch. Ope rate t he sw itc h at l east o nce a mont h .P e r f o r m t h i s four step El ectric al Operation T est.
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 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 l ay A dj ust m e n t 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 setti ng, follow procedure on page 4-2. Use T able 4-1 as a guide to time delay values and their cor re- sponding adjustment DIP switch or potentiometer.
ADJUST MENTS (continued) 4 --- 2 Do not ma ke any setting chang es while the control le r is energized. How to Change a Setti ng 1. P revent the transfer switc h from operating by 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 emerg ency eng ine-gener ator pl ant. They can be set to exer cise with or without load tr ansfer, or they can be com pletel y disabled .
CONTRO L F EATURES (continued) 5 --- 2 Opt ion al Ac ce ssory 11BG – SOU RCE A V AILABIL ITY SIGN AL & 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. 11B G m od ule) Haz ardous v oltage c apable 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 TR ANSF ER 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 nuisance tripping of circ uit b reakers and m echan ical dam age to m otor coup li ngs.
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 w ithin the A utom atic T ransfer S witch en closu re a t a cce pt ab le lev els . T hi s a cce sso ry co nsi s ts o f a mou nting brac ket with strip heater, thermostat, and terminal block.
INDEX Printed in U .S.A. Copy right - - - ASC O Power T echnologies, L .P . 2007 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 Series 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 Series 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 Series 300 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, Emerson Series 300 you will learn all the available features of the product, as well as information on its operation. The information that you get Emerson Series 300 will certainly help you make a decision on the purchase.
If you already are a holder of Emerson Series 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 Series 300.
However, one of the most important roles played by the user manual is to help in solving problems with Emerson Series 300. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device Emerson Series 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