Instruction/ maintenance manual of the product Series 300 ASCO POWER TECHNOLOGIES
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381333–122 B ASCO P OWER T ECHNO LOGIES L.P . 50 Hanover Road , Florham Park, New Jersey 07932 USA www .asco.com Operator’s Manual Seri es 300 Automatic T ra nsfer Switc hes G de si gn 1000 thro ug h 3000 am ps 1000, 1200, 1600 amp.
Namepl ate The T ransfe r Switch name plate i ncludes data for each spec ific A SCO Series 300 A TS. Use the A TS only with in the limits shown on t his nameplate. Catalo g Number Indentification A typ ica l C a ta log Numbe r i s s hown be lo w with i ts elements explain ed.
SECTION 1 INST ALLA TION 1- - 1 A SCO Series 300 A utom atic T rans fer Switches (A TSs ) are Listed unde r Underwriters L aboratori es UL 1008 Standard for Safety for A u tomatic T ransfer Switc hes.
INST ALLA T ION (continued) 1- - 2 Contr oller Ground A g rounding wire must be c onnected to the c ontroll er’s lower left mounti ng stud. Because the c ont roller is mounted on the e nclosure door, a c onducti ve strap must be used between the enclosure a nd the door.
INST ALLA T ION (continued) 1- - 3 F unctional T est The F un ctional T est consists of three c hecks: manu al operation, v oltage c hecks, an d elec trical op eration. Do thes e checks in the ord er pre sente d to avoi d damaging t he autom atic t ransfe r swit ch.
INST ALLA T ION (continued) 1- - 4 Pres s until light FLASHES Pres s for 15 Se conds Flo rha m P ark NJ 07932 USA TRA NSFE R SWITC H TEST B YPA SS TIM E DELA Y SE T E N G IN E E X E RC I S E R observe these l ights Figure 1–5. Standard control s and indicators.
INST ALLA T ION (continued) 1- - 5 Pres s until light FLASHES Pres s for 15 Se conds Flo rha m P ark NJ 07932 USA TRA NSFE R SWITC H TEST B YPA SS TIM E DELA Y SE T E N G IN E E X E RC I S E R observe these l ights p r e s st h i sb u t t o n Figure 1–6.
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 imm ediatel y (engine starts) and weekly thereafter .
SECTI ON 3 TEST ING & SER VICE 3- - 1 PREV ENTIV E MAINTEN ANCE R eas onabl e car e in prev entive m aintenanc e wil l ins ure high reliabilit y and long lif e for the automatic transfer switch. Ope rate t he swi tch at l east o nce a mont h .P e r f o r m t h i s four step El ectrical Operation T est.
TEST ING & SERVI CE (continued) 3- - 2 MANUAL L OAD TR ANSFE R This pr ocedu re wil l man uall y transfer the l oad if th e cont ro ller i s d i scon ne cte d. Do no t manua lly o perate the transfer switch until both po wer so urces are d isconnected: open both circuit breakers.
SECTION 4 ADJUSTMENTS 4- - 1 Ti me D e l ay Ad j u st m e n t Standard ti me delays are set to customer specifi cations (if none specif ied, st andard fa ctory sett ings are used). T o change a sett ing, follow procedure on page 4-2. Use T abl e 4-1 as a guid e to time del ay values and their cor re- sponding adjustment DIP switch or potentiometer.
ADJUSTM ENTS (continued) 4- - 2 Do not m ake a ny setting cha nges while the control le r is energized. ! How to Change a Setti ng 1. P revent the transfer switch from operating by discon - nec ting one s ource fir st, then the other , as foll ows: a.
SECTION 5 CONTROL FEA TURES – ENGINE EXERC ISERS 5- - 1 These timer s periodical ly exerc i se the em ergenc y engine-gen erator p lant. They can be s et to exerc ise w i th or w i thout load tr ansfer, or they can be com pletely disabled .
CONTRO L FE A TU RES (continued) 5- - 2 OPTIONAL PR OGR AMM ABLE E NG INE E XER CISER ( Ac c essory 11CD) The op tional p rog ramm abl e eng ine exer ciser provid es seven days of di ffere nt exe rcise periods. The t imer is connected and m ount ed below the controller.
CONTRO L FE A TU RES (continued) 5- - 3 How to Set Optional P r ogram m able Engine E xerciser (A ccessory 1 1CD) Proceed with care! The a uto ma tic tr ans fe r sw itch is en erg ized .
CONTRO L FE A TU RES (continued) 5- - 4 INPHASE M ONITOR FOR M OTOR LO AD TR ANSF ER Inphase monitori ng log i c controls transfer and retransfer of motor loads, so that i nrush currents do not exceed normal st arti ng currents. It avoi ds nuisa nce tri pping of circ uit breakers and mechan ical dama ge to motor coup li ngs.
CONTRO L FE A TU RES (continued) 5- - 5 OPTIONAL STR IP HEA TER ( Accessory 44) A cces sory 44 Strip H eater is designed to keep am bient temp eratures within th e A utomatic T ransfer Sw itch en closu re a t a ccep ta ble le ve ls. T hi s a cces sor y con si st s o f a mou nting brac ket with strip heater , therm ostat, and terminal block.
INDEX Printed in U .S.A . E 2001 ASCO Power T echnologies, L .P . A accessories, 5–2, 5–3, 5–4, 5–5 auxil iary circ uits, 1– 2 B barriers, 1–3 battery , 4–2, 5–1 buttons, push, 3–1 b.
An important point after buying a device ASCO POWER TECHNOLOGIES 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 ASCO POWER TECHNOLOGIES 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 ASCO POWER TECHNOLOGIES Series 300 - thus you can check whether the hardware meets your expectations. When delving into next pages of the user manual, ASCO POWER TECHNOLOGIES Series 300 you will learn all the available features of the product, as well as information on its operation. The information that you get ASCO POWER TECHNOLOGIES Series 300 will certainly help you make a decision on the purchase.
If you already are a holder of ASCO POWER TECHNOLOGIES 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 ASCO POWER TECHNOLOGIES Series 300.
However, one of the most important roles played by the user manual is to help in solving problems with ASCO POWER TECHNOLOGIES Series 300. Almost always you will find there Troubleshooting, which are the most frequently occurring failures and malfunctions of the device ASCO POWER TECHNOLOGIES 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
