ELTS User Manual
Contents
1. GND LUG 6 INCOM ING POWER 250 gt H lt m 2 1 H 5 8 1 5 4 lt lt lt lt of l l ol z z z z z z z z z z z z 26 m P3 PLUG SUPPLY fio 9 8 7 6 5 4 3 2 1 icq 5 GROUP 1 afs a e fel ef af af ef ef sf af sf af ale b LL m i 50 CONTROL PANEL 13 23 3 595 e a n 1 NRRERRRO PPPPPPEFEREE L Ll lanh 0 19 n 22 5 OCT g M S no gt 3 1 numm 1 u 4 9 gt 5 5 1 10 RI 67 16 10 68 61 75 1605 182. Emergency Lighting Transfer System User M anual CIRCUIT 7 CIRCUIT 8 CIRCUIT 9 CIRCUIT 10 CIRCUIT 11 CIRCUIT 12 m JU g 08 GN 4 4 4 4 CB7 0810 0812 20 20 20 20 20 20 157 158 159 1510 1511 un v v v v i i 4 12 WIRE LOAD LOAD LOAD LOAD LOAD LOAD CIRCUIT 7 CIRCUIT 8 CIRCUIT 9 CIRCUIT 10 CIRCUIT 11 CIRCUIT 12 17 7 l8 18 19 149 00 N in 2 N2 9 9 9 31 029 152 32 930 L L L L 1 L 1 L L L 1 L l N N N N N N N N N N N ii 12 91 AU NN NLIO 19 2 19 NORMAL SOURCE NORM AL SOURCE NORMAL SOURCE NORMAL SOURCE NORMAL SOURCE NORMAL SOURCE CIRCUIT 7 CIRCUIT 8 CIRCUIT 9 CIRCUIT 10 CIRCUIT 11 CIRCUIT 12 12 POLE UNIT TS2 EM ERG SOURCE EM ERG SOURCE EM ERG SOURCE EM ERG SOURCE EM ERG SOURCE EM ERG SOURCE CIRCUIT 13 CIRCUIT 14 CIRCUIT 15 CIRCUIT 15 CIRCUIT 16 CIRCUIT 17 0 N m N 2 N am N am 4a am N 813 0814 0815 815 0816 0817 20 20 20 20 20 204 1513 T514 1515 1515 1516 1517 v v v v v 12 WIRE LOAD LOAD LOAD LOAD LOAD LOAD CIRCUIT 13 CIRCUIT 14 CIRCUIT 15 CIRCUIT 16 CIRCUIT 17 CIRCU
3. Generator start wire Normal Emergency loads Channels 7 12 from ELTS Fire alarm activation AUX activation ev Up to ten Remote stations n o can be connected to the ELTS o Normal loads are connected directly to the dimming 7 If main power fails normal loads are dark Normal loads Normal Emergency loads are routed through the ELTS Normal load power comes from the dimming system If the ELTS detects a loss of dimmer normal power it switches the onr ae loads from dimmer normal power to the emergency power source Figure 1 Diagram of a typical ELTS system Electronic Theatre Controls Inc Installation Emergency Ground lug Emergency Line and Neutral lugs Terminal blocks Unpack and Inspect Before you begin installation check your shipment so you know it arrived complete and undamaged 1 Check the shipping container for obvious physical damage v Tom or opened containers Water stains or wetness Crushed or punctured boxes v Other shipping related damage If you find damage document it to help with a claim against your shipper Unpack your order and check the contents against the Bill of Materials to be sure your order is complete Note ELTS systems are available as either single or three phase products 4 Make sure your ELTS type matches your
4. Remove Aux shorting wire and install Aux circuit wires in terminals 1 and 2 Figure 19 Connecting fire alarm and auxiliary circuit wires Connecting fire alarm activation You can connect your ELTS to your fire alarm system so it switches to Emergency when the alarm is triggered Your fire alarm system must be able to provide an open signal when it activates 1 Connect two wires to the terminals of your fire alarm activation circuit Pull the wires through the conduit to the fire alarm terminal block Remove the shorting wire between terminal 1 and terminal 2 Connect one wire to terminal 1 across from wire F1 Connect the other wire to terminal 2 across from wire F2 Note If you do not use the fire alarm activation feature leave the shorting wire in place or the ELTS will not operate properly Connecting auxiliary activation You can connect your ELTS to an auxiliary circuit so it switches to Emergency when the circuit is triggered Your auxiliary circuit must provide an open signal when it activates 1 Connect two wires to the terminals of your auxiliary circuit Pull the wires through the conduit to the auxiliary terminal block Remove the shorting wire between terminal 1 and terminal 2 Connect one wire to terminal 1 across from wire A1 Connect the other wire to terminal 2 across from wire 2 Note If you do not use the auxiliary activation feature leav
5. 2 Pull Emergency feed Line and Neutral wires to the Emergency feed terminals on the right side of the transfer switches See Figure 10 left to match switch assembly load assignments 3 Connect the Ground lug in the upper left comer to building Ground with a 14AWG to 2 0 wire and torque it to 50 in lbs 4 Connect Emergency feed Neutral wires to the EN labeled terminals 2 Karrar EL 20 switches connect Neutral wires to 1 through EN6 v 50 amp switches connect Neutral wires to 1 and EN2 5 Connect Emergency feed Line vvires to the EL labeled terminals Emergency source wires connect directly Figure 10 Discrete 20 amp switches connect Neutral wires to EL1 through EL6 20 amp switches connect Neutral wires to ELI and EL2 b t steps 2 and 3 for the other transfer switch assemblies Emergency connections 6 005 Emergency m feed Neutra 12 POLE TRANSFER SWITCH wire S Emergency feed Line wire m 151 Qt mu S LI TS OF 10 TS Ol JS 7 TO 215 TS ol 101 19 a 2 50 amp switch 4 wires for 2 circuits amp switch 12 wires for 6 circuits Figure 11 50 and 20 amp tra
6. Emergency source Pickup and Emergency source Dropout voltages not adjustable The Emergency source Pickup voltage is the lowest voltage level that allows the ELTS to use Emergency instead of Normal power The Emergency source Dropout voltage is the lowest voltage level the ELTS can use for Emergency power operation 51 4 5 Phase frequency shown in 60Hz Off position BI m 51 DIP 51 6 ELTS 10 1 5 6 or 30 operation shown in 10 On position 20 1 lt 3 lt 5 lt 7 DC ea Figure 28 Dip Switch S1 26 Setting ELTS line frequency The ELTS can be set for either 50 or 60Hz operation using DIP switch S1 4 1 Locate 51 4 using Figure 23 on 23 and set it as desired 60Hz 2 gt 50 7 221 4 Setting the ELTS for single or three phase voltage The ELTS can be set for either single or three phase operation using DIP switch S1 6 Note The ELTS is shipped with a different intemal wiring configuration and power supply for either single or three phase operation Do not change the phase setting unless directed to do so by an authorized ETC representative 1 Locate 51 6 using Figure 23 on page 23 and set it as desired Single Phase Three Phase DX 6 275 Emergency source Pickup and Emergency source Dropout frequency settings The Emergency source Pickup frequency is the lowest line frequency needed fo
7. Emergency source voltage dropout 86 2 volts No adjustment N A 277 ELTS voltage settings Factory setting Adjustment range Adjusted by Normal source voltage pickup 238 5 volts 238 5 or 252 0 volts DIP switch 51 3 Normal source voltage dropout 225 1 volts 238 5 225 1 212 7 or 184 9 volts DIP switch 51 1 2 Emergency source voltage pickup 238 5 volts No adjustment N A Voltage Adjust Norm Emergency source voltage dropout 199 3 volts No adjustment N A Changing the Normal source Pickup voltage The Normal source Pickup voltage is the voltage level required before the ELTS will switch from the Emergency source back to Normal power It is set using DIP switch S1 3 oi 1 Locate 51 3 using Figure 23 on page 23 and set it to the desired setting 42 120v operation 277 operation 13 EA E X 4 Voltage Adjust Norm 108v 114v 5 Voltage Adjust Low 103 5v Changing the Normal source Dropout voltage The Normal source Dropout voltage is the voltage level where the ELTS will switch from the Normal source to Emergency power It is set using DIP switches 51 1 and 51 2 1 Locate 51 1 and 51 2 using Figure 23 on page 23 and set the voltage 120v operation 277 operation Emergency Lighting Transfer System User M anual Voltage Adjust Low
8. mn aaa aya 27 Automatic 27 Switching power sources 2 28 Service 30 Preventive 30 Troubleshooting 2 12 2 31 Emergency or Normal Povver Stable LED does not tum on 31 The ELTS will not switch between Normal and 31 Remote stations cannot switch the 32 Appendices Appendix ELTS 6 33 Appendix B Wire connection schematics and diagrams 34 Appendix Transfer switch control system schematics 36 Appendix D Transfer switch load switching schematic 37 Appendix Test and Maintenance 100 38 Appendix Glossary 224 12 39 Emergency Lighting Transfer System User M anual 3 Electronic Theatre Controls Inc Emergency Lighting Transfer System Introduction Welcome to ETC s Emergency Lighting Transfer System ELTS User M anual This manual shows you how to install and use your ELTS system See ELTS Models on page 8 for a breakdown of ELTS models and configurations How to use this manual gt gt This
9. OPEN CONTACTS T531 30 l 1512 28 gt 2 105 TS NC FACTORY 1510 29 connection 2 26 SWITCH ES 7530 SEE TRANSFER 11529 SWITCH SCHEMATIC 1511 DIAGRAM 15 512 gt TS COM TB3 TR ER SE is a 313 gt 18 T 18 T T l 81 1 Electronic Theatre Controls Inc Appendix D Transfer switch load switching schematic EM ERG SOURCE EM ERG SOURCE EM ERG SOURCE EM ERG SOURCE EM ERG SOURCE EM ERG SOURCE CIRCUIT 1 CIRCUIT 2 CIRCUIT 3 CIRCUIT 4 CIRCUITS CIRCUIT 6 a d N m d N m S ud N m d N m up N m N 82 085 86 20A 20A 20 20 20 20 751 152 153 154 155 156 v v v v v 12 WIRE LOAD LOAD LOAD LOAD LOAD LOAD CIRCUIT 1 CIRCUIT 2 CIRCUIT 3 CIRCUIT 4 CIRCUIT 5 CIRCUIT 6 12 N A 3 IND 05 145 31 029 I 151 32 930 L L L L L L L L L L E N N N N N N N N N N N N i p 9n NL 2 NN2 NL NN4 NLS NNS 6 NN6 AS B 45 NORMAL SOURCE NORMAL SOURCE NORMAL SOURCE NORMAL SOURCE NORMAL SOURCE NORMAL SOURCE CIRCUIT 1 CIRCUIT 2 CIRCUIT 3 CIRCUIT 4 CIRCUIT 5 CIRCUIT 6 12 POLE UNIT TS1 EM ERG SOURCE EM ERG SOURCE ERG SOURCE EM ERG SOURCE EM ERG SOURCE EM ERG SOURCE
10. 6 Boaz 1 32 13 sis en sa n as 81 TO ENGINE 22 Ht L GENERATOR 1 CONTROL Hs m Lata TR sz a2 34 72 82 7 6 6 16 156 6 6 6 22 15112 EL6 NL6 N TT 1T 1005 T8 N ENS INNSI 105 T8 N TENS INNS 588 28 15 155 fE 0051 5 21 us lins 4 70 na yl CUSTOMER TO LAMP 3 14 154 NORMAL TO 20 reno NORMAL NORMAL s Loans 1 mi i SOURCE LOADS 3 2 5 SOURCE MAIN PANEL 13 153 19 159 us m m Enin m n Enin 12 152 18 2 2 i EM NN 0 11 Ts1 EL NL m il 197 Tei n Li Tai 181 En 2 51 TRANSFER SWITCH ret Li 7 TRANSFER SWITCH reat m Ln 3 xs 12 POLE 7 12 POLE 11831 15 5 PAPE PPP PPP 1 4 IH pd cR dut T l g n E FE EA A ES FOE EE E T T511 52 el n T529 1 T530 1 Ne TS10 5 jus 136 Eslns 1 a ts Eslis 1612 5 5 Enslins 185
11. The red Emergency light tums on Warning ELTS voltage tests should only be performed by qualified personnel using extreme caution Opening the cabinet with power applied exposes you to death or injury from electrical shock 3 Open the ELTS cabinet Use a digital voltmeter DVM to test the feed voltage at the Normal power sensing terminal block Figure 16 on page 16 for location Phase A is on terminal 1 phase B on terminal 3 and phase C on terminal 5 Voltage must be within 10 percent of the rated voltage for the ELTS 5 Use the DVM to test the feed voltage at the Emergency power lugs Phase lugs are labeled either A B or C Voltage values must be within 10 percent of the rated voltage for the ELTS 6 Close the ELTS cabinet 19 Functional checkout After verifying the Normal and Emergency voltages check the ELTS system functions Lit if Normal power Lights when used Lit if Emergency is acceptable mi 1 Lights when ELTS ate power is sends a Generator use start signal NORMAL OPERATION d Lights when ELTS Keyswitch selects Im ot receives a fire alarm ah a 6 15777 activation etween Norma D and Emergency Lights when ELTS receives a auxiliary activation Figure 20 Local control operation and LED indications Switch function 1 Insert the key into the keyswitch on the front panel of the ELTS 2 Tumthe ke
12. 8 lt 10 69 19 9 R BBON 1 49 2 10 CABLE 5 5 21 15 CONNECTION 126 6 63 p2 PLUG 2 136 7 64 65 25 a 24 66 6 2 une 5 lt 3 18 lt 4 7 1 2 5 3 4 51 9 P5 15 8 6 16 RIBBON 1 4115116 718 19 10 1141211131114115 16 CABLE 1 LI 3 4 80 CONNECTION 1 8 9 3 JS aan JS ae 4 P11 ty 12 1 28 iid b m 13 14 58 8 15 18 8 8 8 8 rj 8 aa 8 ag 4 8 1 1 1 1 1 1 1 b 1 el 8 CUSTOMER EE EN NN m rie 5 69 SEDANE SEDANE 6 35 241 3 5 241 SEDANE 3 5 241 X6 X7 IGLIGLII LETERE IGLIGLII IGLIGLI RO 66 TET IN TETAI FACTORY UM PER 66 FUSE YEN h Y N REMOVE ES Dre ee 02 ki AS REQUIRED 1 M T M T RS 4A T T T E sa quum E mq 8 g CUSTOMER 63 LI 1 1 Lod Log H L 1 ri 1 1 FIRE ALARM CNTRL 8 8 s 8 Hog L sk 5 Lg L L STATION FA i p 8 B ER B EB PP 2 CUSTOMER wala Pala ele ele da LIH ria IH Dp om RBSRSSRS RSRRS 5211312131 JE AL epe cnp isi a ii Rz 1 111
13. Enslins T531 1 5 5 5 a H5 T532 6 puly ina yf m n TOLAMP J 4 34 Eua Inia NORMAL TO LAMP J ua 40 1522 Eu liuj NORMAL LOADS LN3 N lEM3 NN3 SOURCE LOADS 3 3 EN3 NN3 SOURCE 133 1515 Blh 1 152 m Ehin 1 2 lie 10 re eline n EMI NN u iaz 1513 u 3 ni NL a TRANSFER SWITCH B 181 212 TRANSFER SWITCH 181 7 73 12 POE g Im 12 POLE 11821 ej 83 183 Figure 32 ELTS cabinet vvire connection location diagram 34 Electronic Theatre Controls Inc NORM AL POWER STABLE TOR 1 T6 4 1 i EMERGENCY POWER STABLE 4 1 3 1 12 WIRE 611 4 T8 1 1 1 1 1 1 1 1 1 1 1 1 r A B i 1 t GENERATOR ERGENCY NORMAL Y m m E n START OPERATION OPERATION 1 m 2 2 i s 1 p 1 1 Le
14. manual is divided into three sections v Installation on page 7 tells you how to install and test your system v Operation on page 27 tells you how to use and service your system v Appendix B Wire connection schematics and diagrams on page 34 contains additional information you may need Warnings and Caution symbols These symbols alert you to danger or important information Warning Wams you when electricity may cause injury Warning Wams you when there is a possibility of other types of injury Caution Alerts you to important information relating to equipment performance or reliability Contacting ETC Forquestions about ELTS system delivery or general information contact ETC Customer Service at 800 688 4116 Codes and standards Emergency Lighting Transfer System User M anual ELTS systems meet the following regulatory standards for emergency lighting transfer devices ANSI UL 1008 Listed Automatic Transfer Switches ANSI NFPA 110 Emergency and Standby Power Systems v ANSI NFPA 70 National Electric Code Article 701 Legally Required Standby Systems Article 700 Emergency Systems Article 540 11 c Motion Picture Houses Article 520 7 Theatres and Similar Locations Article 518 3 c Places of Assembly v City of New York Advisory board Electrical Department v OSHA v Department of Defense System Diagram Emergency source Normal power typically a generator source
15. to Connecting Remote stations to the ELTS on page 17 for instructions for connecting Remote station wiring inside the ELTS cabinet Emergency Lighting Transfer System User M anual 11 Connecting power and control wiring to the ELTS cabinet Warning To prevent death or injury due to electrical shock Normal and Emergency power to the ELTS must be turned off any time you are connecting or servicing any ELTS Connecting Emergency power standard systems Emergency power Note Standard ELTS systems connect Emergency power to phase lugs and connection lugs distribute it through pre wired overload protection circuitry Discrete Systems do not have Emergency power lugs Go to Connecting Emergency power Discrete systems on page 13 for instructions The Emergency power lugs are in the upper left of the ELTS cabinet The ELTS is available in one or three phase power configurations 1 Cut a hole within six inches of the top left corner of the ELTS cabinet Note Top conduit connections are recommended to reduce the cable bending necessary to connect to the lugs 2 Install conduit and pull the Emergency power cables into the cabinet 3 Using Figure 9 below connect phase power cable to the correct lug v Three phase power cables connect to lugs A B and C v Single phase power cables connect to lugs A and B Note You cannot connect an ELTS designed for three ph
16. to the Normal power sensing terminal block Each sensing wire must connect to the ELTS through a 15 amp circuit breaker located outside the ELTS cabinet Note Power sensing wires must be 12 AWG or larger 1 Connecta sensing wire to each phase lug of the dimmer rack connected to the ELTS Mark each wire to identify its phase at the ELTS rack 2 Connect each sensing wire to a 15 amp circuit breaker close to the dimmer rack Circuit breakers cannot be installed in the ELTS cabinet 3 Pullthe wires from the circuit breakers through conduit to the Normal power sensing terminal block in the ELTS cabinet 4 Connectthe sensing wires to the Normal power sensing terminal block v Phase A to terminal 1 across from red 12AWG wires labeled v Phase terminal across from unlabeled white 14AVVG wire v Phase to terminal 5 across from red 12AWG wires labeled NC Note single phase three wire systems terminal 5 will not be used Connecting the Emergency pow er sensing wires Emergency power sensing wires on Standard ELTS systems with front panel circuit breaker or fuse panels are wired from the Emergency power lugs to the correct terminals on the Emergency power terminal block at the factory Emergency power sensing wires on Discrete ELTS systems without front panel circuit breakers must be wired into the ELTS cabinet Note Emergency power sensing wires must be 12 AWG or larger and connect through an external 15 amp
17. 000 Single or three phase ELTS ELTS systems are available as either single or three phase products and will not operate on phase configurations they are not designed for Figure 3 Large and small ELTS cabinets Remote station part 1093A2023 v Provides front panel keyswitch control at remote locations OPERATION OPERATION v Link up to ten stations with parallel wiring v Normal Emergency LEDs indicate ELTS status POWER N 1 o EM ERGENCY POWER Figure 4 Remote station Electronic Theatre Controls Inc Mounting the ELTS cabinet Mount the ELTS on a load bearing wall in a location where it will not be subject to tampering or vandalism If possible install the ELTS where it is most secure from damage by a fire flood or other incident likely to require its use Do not install the ELTS inside any other electrical enclosure Physical requirements for mounting You must mount either size ELTS cabinet with sufficient front clearance 30 inches to allow the door to open completely 2 f 21 eT es A 00000000005 4 a 55 187 54 000 o bolts E cabinet al n n d 37 187 36 000 H bolt
18. 24VDC OUTPUT 6 Ju 10 FACTORY UM PERS 3 slala Fem REM OVE AS REQUIRED dz b 1 FIRE ALARM STATION FA CONTROL F2 F2 FUSE Fl G H FIRE ALARM Xx ISOLATION RELAY AUX ALARM STATION AS CRI 21 2 TT Tos CQ 3 CR3 33 CR4 34 Al DIM M ER FAILURE Ph xh ISOLATION RELAY LOCAL DIAGNOSTIC PANEL LD E T AUXILIARY l m g ma TRANSFER SIGNAL Bn F RE ALARM Ta FIRE Tu TRANSFER SIGNAL 6 2 m gt lt GEN T10 T10 26 248 m T9 T9 T9 5 EMERG 1 T8 EMERGENCY POWER z 10 gt E 0K STABLE gt 13 10 NORMAL POWER o E gt 3 9 gt N OK STABLE T6 16 D gt 3 11 gt 24V LOCAL CONTROL STATION LC EM ERG 15 15 855 5 gt 3 6 TESTEMG TSA TSA gt 31 NORM T4 T4 Onn s 5 3 5 TS NORM TAA TAA L gt 3 8 12 12 Spes s T5 B 13 gc 2 2 bi KEY PER Tl Hn 1 TRANSFER qi UA MANUAL RELAY REM OTE CONTROL STATION RC X6 Xi R5 R5 TSX gt H 4 R5 j R 5 03 lt 3 9 X13 R4 R4 TSX a R2 R2 NR R2 X4 14 car RETRANSFER S r n m T SOUS MANUAL RELAY 123 H RI R NR O 2124 1 NB FROM d NB J 1 10 NB SENSE CLOSED CONTACT _ Gl 58 0 ENGINE GEN 62 g ENG NE GENERATOR START RUN CONTROL COMMANDS c NRK NORM ALLY G3
19. BLOCK 1512 8 152 Tn 7510 150 6 1530 19 FACTORY CONNECT ONS su PET ni CONTROL M ODULE mo xu SEE CONTROL SCHEM ATIC DIAGRAM T TBl TBl Figure 34 Transfer switch assembly control wire connections schematic Emergency Lighting Transfer System User M anual 35 Appendix Transfer switch control system schematics NA NC 208V EXPLANATION FROM NORM AL MAIN PANEL CONTROL PANEL l CP FROM EM ERGENCY BRANCH PANEL TR CR1 CR4 CONTROL RELAY NRX TSX 24 61 CP PS POWER SUPPLY 195 S ycsinse TR TRANSFER RELAY ib EC SENSE ER SE 19 PL1 PL7 INDICATING LIGHT Ams SS SELECTOR SWITCH KEY OPERATED TRANSFER SWITCH TERM INAL CONNECTION 5 NA SENSE TERMINAL BLOCK A 311 7 gt EA SENSE 52 gt gt CONNECTOR PLUG TO CONTROL PANEL RE 51 5 1 3 208VAC INPUT dan PS INTERNAL UMPER POWER SUPPLY INTERNAL LU PER 1225 5
20. IT 18 NB nit 5 ine 116 im NI 018 1 9 9 31 629 53 32 1 L L L L L L L 1 L 1 L 1 fu N N N N N N N N N N N N i 12 910 104 NNL 15 NNI 16 Nur 17 NORMAL SOURCE NORMAL SOURCE NORMAL SOURCE NORMAL SOURCE NORMAL SOURCE NORMAL SOURCE CIRCUIT 13 CIRCUIT 14 CIRCUIT 14 CIRCUIT 15 CIRCUIT 16 CIRCUIT 17 12 POLE UNIT 153 ERG SOURCE EM ERG SOURCE EM ERG SOURCE EM ERG SOURCE EM ERG SOURCE EM ERG SOURCE CIRCUIT 19 CIRCUIT 20 CIRCUIT 21 CIRCUIT 22 CIRCUIT 23 CIRCUIT 24 m a T N m N m N Ta N 2 a N N 819 0820 cB21 822 823 824 20 20 20 20 20 20 1519 1520 1521 1522 1523 1524 4 v 4 4 v v 12 WIRE LOAD LOAD LOAD LOAD LOAD LOAD CIRCUIT 19 CIRCUIT 20 CIRCUIT 21 CIRCUIT 22 CIRCUIT 23 CIRCUIT 24 9 IND 120 1120 01 1122 1122 023 123 124 1122 9 9 9 9 9 4 1 8 CKT E IM L L L L L L L L ji L L L N N N N N N N N N N N N 2 90 aus 19 20 NL2L 2 2 23 4 24 NORMAL SOURCE NORMAL SOURCE NORMAL SOURCE NORMAL SOURCE NORMAL SOURCE NORMAL SOURCE CIRCUIT 19 CIRCUIT 20 CIRCUIT 21 CIRCUIT 22 CIRCUIT 23 CIRCUIT 24 12 POLE UNIT TS4 37 Appendix E Test and Maintenance Log Date installed System address Service contact Date inspecte
21. LTS at the main circuit breaker Opening the cabinet with power applied exposes you to death or injury from electrical shock Warning Rotating the transfer switch assemblies manually with Normal or Emergency power applied may result in the assemblies switching automatically causing severe hand injuries Monthly testing 1 Manually test the ELTS s transfer function at the local keyswitch on the front of ELTS cabinet See Switch function on page 20 for keyswitch instructions and indications 2 Note the test results in the test and maintenance log Quarterly testing and maintenance 1 Manually test the ELTS s transfer function at the local keyswitch on the front of ELTS cabinet See Switch function on page 20 for keyswitch instructions and indications 2 Test the ELTS Auto transfer function See Automatic function on page 21 for automatic transfer instructions and indications 3 Visually inspect the ELTS cabinet for loose wires or component damage 4 Note the test results in the test and maintenance log Annual testing and maintenance 1 Manually test the ELTS s transfer function at the local keyswitch on the front of ELTS cabinet See Switch function on page 20 for keyswitch instructions and indications 2 Test the ELTS Auto transfer function See Automatic function on page 21 for automatic transfer instructions and indications 3 Visually inspect the ELTS cabinet for loose wires or component damage Retighten ELTS
22. Normal Load Emergency Emergency Lighting Transfer System Group 1 Controller User M anual Electronic Theatre Controls Inc Contents MET 5 How to use this 5 Codes and nnns 5 System 6 Installation and setup chapters Installations eee 7 Unpack and 7 ELIS MOONS PEPPER 8 Mounting the ELTS 9 Installing Remote stations optional 11 Connecting power and control wiring to the ELTS cabinet 12 Connecting Emergency power standard systems 12 Connecting Emergency power Discrete systems 13 Connecting lighting circuit wires to transfer switches 14 Control and sensing wire 16 TSUNG Las ee Ee S 19 Before you power up for the first 19 SYSTE Ra Pe Ene E ERR aa 19 Functional 20 ELTS Timing Voltage and Line 22 Changing ELTS nennen 23 Changing the Voltage Adjust 25 Use and service chapters Operation 2 2
23. S will tolerate an Emergency power fault before starting the switching back to Normal power It is set at the factory to four seconds and cannot be adjusted Generator cool down interval The Generator cool down interval is the time the ELTS waits before shutting off the Emergency power generator after switching back to Normal power It is set at the factory to five minutes and cannot be adjusted Electronic Theatre Controls Inc 53 2 All voltage settings are at 100 percent of factory settings Norm setting 33 Figure 26 Dip Switch S3 2 DIP S1 1 and 51 2 Normal source Dropout voltage DIP 1 3 Normal source Pickup T voltage shown in On position Figure 27 Dip Switch S1 Changing the Voltage Adjust setting Voltage Adjust is set at Low or Norm using DIP switch 53 2 Low reduces all voltage settings by 4 2 percent to compensate for low source voltage 1 Locate S3 2 using Figure 23 on page 23 and set it to the desired setting Voltage Adjust Norm Voltage Adjust Low Kd Table 7 ELTS source voltage settings with Voltage Adjust set to Low 120v ELTS voltage settings Factory setting Adjustment range Adjusted by Normal source voltage pickup 103 5 volts 103 5 or 109 2 volts DIP switch 51 3 Normal source voltage dropout 97 7 volts 103 5 97 7 92 0 or 80 5 volts DIP switch S1 1 2 Emergency source voltage pickup 103 5 volts No adjustment N A
24. a short delay before switching as the generator tums on and the voltage and frequency stabilize 3 Restore Normal power v The ELTS switches back to Normal power after the retransfer delay times out the default setting is thirty minutes v Onthe front of the ELTS the EMERGENCY OPERATION and EMERGENCY POWER STABLE LEDs tum off and the NORMAL OPERATION and NORMAL POWER STABLE LEDs light v If used the Emergency power engine generator turns off when the cool down time is complete Options function ELTS systems can also be activated by fire alarm and auxiliary circuits Both are operated by a normally closed circuit controlled by the fire alarm or auxiliary relays When the fire alarm or auxiliary circuit activates the relay opens causing the ELTS to switch to Emergency power To test option relay function either 1 Activate the fire alarm or auxiliary relay v The ELTS should switch to Emergency power and the emergency loads should go to full 2 If you do not wish to activate the fire alarm or auxiliary circuit generate an open circuit at the ELTS connection to the fire alarm or auxiliary circuit by disconnecting one of the two wires to the ELTS cabinet v The ELTS will switch to Emergency power and the emergency loads should go to full Note The second method tests the ELTS response to an open circuit but does not confirm the fire alarm or auxiliary relay s ability to open the circuit to the ELTS Emergency Lighting Tra
25. abinet or a Remote keyswitch station installed in your facility you can select either Normal or Emergency as the preferred power source 1 Insert the key into the keyswitch and select the desired power source v Toselect Normal power tum the key left The green NORMAL LED lights v To select Emergency power turn the key right The red EMERGENCY OPERATION LED lights and the emergency loads go to full If Emergency power is provided by an engine generator there will be a short switching delay as the generator turns on and voltage and frequency stabilize 2 Release the key The keyswitch returns to center and the indicator light you selected remains on The ELTS uses the selected power source If the selected source s voltage or frequency drops below the limit the ELTS will switch to the other source 3 Whenthe voltage and frequency of the selected source returns to acceptable levels the ELTS will switch back to it Remote Station Remote Keyswitch station operation is identical to the local station Refer to Selecting the preferred power source Normal or Emergency for instructions Fire alarm or Aux signal switching If desired the ELTS system can be activated by fire alarm or auxiliary circuits When the ELTS receives the fire alarm or auxiliary circuit activation it will switch to Emergency power Note If you have selected Emergency as the preferred power with either the Local or Remote keyswitch the ELTS
26. al 5er 9t JJ rom imme wire Lighting load aaa Line wire Fine OF from dimmer wire 25 1 SS OF Cs ee Emergency feeds 12 Emergency Line and Neutral input terminals Figure 15 50 amp Transfer svvitch connections for Line and vvires Emergency Lighting Transfer System User Manual 15 Door control and indicator connections prewired Remote station connections Fire alarm signal transfer Auxiliary signal transfer Engine generator start Normal sensing Emergency power sensing Transfer switch connections prewired Figure 16 Control and Sensing wire terminal connections Control and sensing wire connections Control and power sensing wires connect to terminal blocks on the left side of the ELTS cabinet Terminals accept 8 to 22 AWG wires Torque terminal screws to 18 in lbs 1 Install control and sensing wire conduit on the left side of the ELTS cabinet above the remote station connection terminals or below the Emergency power sensing terminals recommended conduit location 2 Pull the wires into the cabinet Connecting the Normal pow er sensing wires Normal power sensing wires connect to the phase lugs of the dimmer rack connected to the ELTS They attach
27. ase operation to single phase power or a single phase ELTS to a three phase source 4 Connectthe Neutral cable to the Neutral lug 8 5 Connect the Ground cable to the Ground lug Figure 8 Emergency lugs Phase C lug Three phase ELTS only Figure 9 Connecting Emergency power to the ELTS Table 1 Emergency power lug wire sizes and connection torques Connection type Wire size Torque Phase and Neutral lugs 3 phase 6 AWG to 2 0 215 in lbs Phase and Neutral lugs single phase 6 AWG to 250 M 275 165 Ground lug both phase types 14 AWG to 2 0 50 in Ibs 6 Goto Connecting lighting circuit wires to transfer switches on page 14 for instructions on connecting lighting load wires 12 Electronic Theatre Controls Inc Connecting Emergency power Discrete systems A Discrete ELTS does not have Emergency power lugs Instead Discrete systems wire emergency feeds directly to transfer switch Emergency inputs Transfer switch assemblies connect either 20 amp circuits up to six or 50 amp circuits up to two Ground lug only no Emergency power lugs Note Discrete ELTS systems require external distribution and overload protection circuitry 1 Attach the conduit for the wires from the dimmer rack to the bottom of the ELTS cabinet recommended
28. circuit breaker 1 Connecta sensing wire to phase A and C A and B on single phase systems of the Emergency power supply Mark each wire to identify its phase at the ELTS rack Pull the wires through the conduit to the Emergency power sensing terminal block in the ELTS cabinet Connect the sensing wires to the Emergency sensing terminal block v Connect phase A to terminal 1 across from wire EA v Connect phase C to terminal 3 across from wire EC Note On single phase three wire ELTS systems connect phase B to terminal 3 Electronic Theatre Controls Inc Connecting the Engine generator starting wires The ELTS system can provide both normally open and normally closed starting circuits for engine generator activation Closed start signal tl 61 1 Connect two wires to terminals of your engine generator starting circuit Always 02 LL connected Note Consult your generator installation manual for start signal wiring information Open start 7 G3 2 Pull the wires through the conduit to the engine generator start terminal ignal block signa J 3 Connect one of the starting wires to terminal 3 across from wire G2 Figure 17 Connections 4 Connect the other starting wire to terminal 1 or 5 for Engine generator v Foraclosed start signal connect the wires to terminal 1 across from g wires a vvire G1 v For an open start signal connect the wires t
29. consin 53562 USA Tel 1 608 831 4116 Fax 41 608 836 1736 Europe 5 Victoria Industrial Estate Victoria Road London W3 600 England Tel 44 181 896 1000 Fax 444 181 896 2000 Asia Room 605 606 Tower Ill Enterprise Square 9 Sheung Yuet Road Kowloon Bay Hong Kong Tel 852 2799 1220 Fax 4852 2799 9325 Web www etcconnect com Email mail etcconnect com Copyright 1997 09 Specifications subject to change 1093M 1102 Revised 6 99
30. d by Manualtransfer Automatic transfer Visual inspection Vacuumed 38 Electronic Theatre Controls Inc Emergency Lighting Transfer System User M anual ndix F Glossary Dimmed loads A light or other fixture that operates using varying voltage from a power control device like a dimmer rack Dimmer A device that varies operating voltages in response to signals from control devices Dimmer rack An enclosure for multiple dimmers Racks distribute source power provide cooling and tamper protection ELTS The Emergency Lighting Transfer System It switches designated loads to an Emergency power source when a Normal power fault is detected Emergency source A generator or other power supply that is not connected or dependent on normal facility power Normal Emergency load Lighting or other fixtures that may use the Normal source but are also connected to an Emergency power source through the ELTS Normal source The main or standard power supply for a facility Normal load Lighting or other fixtures that depend on the Normal source for operating power Remote station An extension of the ELTS front panel control to other locations in the facility Sense wires Wires carrying voltage and frequency information from the Normal source to the ELTS control panel 39 Electronic Theatre Controls North America 3030 Laura Lane Middleton Wis
31. e the shorting wire in place or the ELTS will not operate properly Electronic Theatre Controls Inc Testing Before you power up for the first time Checking transfer sw itch operation manually By checking transfer switch manual operation before you apply power you reduce the possibility of failure caused by mechanically frozen damaged or obstructed switches Each switch should rotate without catching or binding Warning Normal and Emergency power should be off when you open the ELTS cabinet to check switch operation Opening the cabinet with power applied may result in death or injury from electrical shock 1 Open the ELTS cabinet Waming Rotating the transfer switch assemblies manually with Normal or Emergency power applied may result in the assemblies switching automatically causing severe hand injuries 2 Turnthe manual operation handle 90 clockwise E Emergency should be visible on the assembly about 1 5 inches above the handle 3 Rotate the handle 180 counter clockwise N normal should be visible Note Ifyou have difficulty operating the switch check for installation debris that may be blocking switch operation 4 Repeat steps 2 and 3 with the remaining transfer switch assemblies Tum on system Emergency Lighting Transfer System User M anual Voltage checkout 1 Apply power to the ELTS and connected dimmer rack at the main circuit breaker The green Normal LED lights 2 Apply emergency power
32. er 1 Check for tripped Normal power sensing wire circuit breakers 2 If the circuit breakers are not tripped meter Normal power using the procedures in Voltage checkout on page 19 If the system will not switch from Normal power 1 Meter Emergency power using the procedures in Voltage checkout on page 19 2 If no fire alarm or auxiliary circuits are connected to the ELTS make sure the terminal jumpers are in place 3 If fire alarm or auxiliary circuits are connected meter between the wires to be certain the circuit is closed An open circuit switches the ELTS to Emergency power If the system does not seem to function in either Normal or Emergency pow er mode 1 Make sure the control panel connector is properly seated 2 Check other wire connections for loose terminals or broken wires 3 Use the procedures in Checking transfer switch operation manually on page 19 to test the switching mechanism for mechanical problems Emergency Lighting Transfer System User M anual 31 Remote stations cannot switch the ELTS 1 Switch between Normal and Emergency power on the ELTS control panel keyswitch and observe the results If the ELTS does not switch locally Follow the instructions in The ELTS will not switch between Normal and Emergency on page 31 If the ELTS switches locally Try switching the ELTS from other Remote stations if multiple stations have been installed 1 If the other stations function check the wire termina
33. er between or beside the transfer switch assemblies Note Except for the emergency power supply wires which must enter near the top left comer of the cabinet recommended conduit entry locations may be changed based on your installation requirements Control panel Isolation relays Transfer switch assembly Transfer switch manual operation handle Recommended load input and 22 output conduit C locations Figure 6 ELTS components Electronic Theatre Controls Inc Mounting the cabinet After determining where you want to install the cabinet follow these instructions 1 Install two 3 8 bolts 24 25 inches apart
34. es v To switch from Normal to Emergency power Tum the manual operation handle on the bottom of each transfer switch assembly 90 clockwise E Emergency should be visible just above the handle To switch from Emergency to Normal the manual operation handle on the bottom of each transfer switch assembly 90 counter clockwise N normal should be visible just above the handle 4 Close the cabinet door and restore power to the ELTS Note Do not plug the control panel connectors back in until you want the ELTS to resume automatic operation Electronic Theatre Controls Inc Restoring automatic operation 1 Disconnect Normal and Emergency power Warning Tum off Normal and Emergency power to the ELTS at the main circuit breaker Opening the cabinet with power applied may result in death or injury from electrical shock Open the ELTS cabinet Reconnect the two connectors on the left side of the control panel See Figure 30 on page 28 4 Close the cabinet door and restore power to the ELTS Emergency Lighting Transfer System User M anual 30 Service Preventive maintenance Regular testing and simple maintenance of your ELTS system will result in long service life and reliable performance To assist in documenting your test and maintenance schedule a blank Test and M aintenance Log is included on page 38 We suggest you post a copy near your ELTS cabinet Waming Tum off Normal and Emergency power to the E
35. for the lower two support slots the installer must supply the mounting hardware 2 Usethe mounting dimensions from Figure 5 ELTS cabinet mounting dimensions on page 9 to drill the holes for the upper two 3 8 bolts 3 Place the ELTS cabinet on the wall supported by the two lower bolts Caution ELTS cabinets are very heavy Make sure you have adequate equipment or help to lift the cabinet into place and support it while you secure the top two bolts 4 Secure the ELTS to the wall with the two upper 3 8 bolts Installing Remote stations optional 1 Install a standard two gang backbox 4 x 4 x 3 5 and run conduit from it to the ELTS cabinet 2 Pull five conductor Class 2 12 Vdc wiring through from the backbox to the cabinet 3 Connectthe wires to the terminal strip on the back of the remote station Make a note of each wire s terminal assignment Connect the five conductor class 2 wires to terminals 1 2 3 4 and 5 wire colors may vary 6606 0 NORMAL EM ERGENCY OPERATION OPERATION POWER ER NORMAL AUTO 75 1 Figure 7 Remote station terminal connections 4 Install the Remote station onto the backbox with four 6 32 x 1 2 oval head machine screws provided 5 install multiple Remote stations repeat steps 1 4 wiring in parallel between Remote station terminal blocks Note To avoid confusion use the same wire terminal assignment at each Remote station you install Refer
36. l connections on the problem station See nstalling Remote stations optional on page 11 for station connection requirements 2 If the other stations do not function or there is only one Remote station installed 3 Check the wire connections on the Remote station terminal block 4 Check the Remote station fuse in the ELTS cabinet Remove this cover onthe left side of the cea eca eca Poel 91519 wae Isolation relays to 612 the Remote SR3B SR3B 5838 5838 SR3B SR3B l ele e e station fuse 5 aha oha ere eere e 91915 elei 27 Figure 31 Locating the Remote station fuse 5 Inspect the wiring between the ELTS cabinet and the stations for defects See Connecting Remote stations to the ELTS on page 17 for ELTS connection requirements Some ELTS circuits do not switch when the system changes sources Partial switching of ELTS circuits indicates one or more transfer switch assemblies or the wiring to them is defective 1 Use the procedures in Checking transfer switch operation manually on page 19 to locate any transfer switch assemblies that have not switched and to manually test thei
37. left to match switch assemblies to loads 3 Connect a Line wire for each dimmer circuit to terminals NL1 through NL6 on the right side of the transfer switch assembly 4 Repeat steps 2 and 3 for the other transfer switch assemblies E Input connections for Line and 151 8 mas Neutral wires from the 2 rack Normal power IS D G3 JS D IS D e A IS TA 0 sooo ET D FS gt OF IS 20650 mu j 5 4 Neutral wire from dimmer TO Seon IS oleo S 1 Line wire z from dimmer Figure 13 20 amp Transfer switch connections for Line and Neutral wires 20 amp lighting load Line and Neutral output connections 1 Attach the conduit for the wires to the lighting loads through the bottom of the ELTS cabinet recommended 2 Connect a Neutral wire for each lighting load to terminals LN1 through LN6 on the left side of the transfer switch assembly See Figure 12 above to match svvitch assemblies to loads 3 Connect aLine wire for each lighting load to terminals LL1 through LL6 on the left side of the transfer switch assembly 4 Repeat steps 2 and 3 for the other transfer switch assemblies Electronic Theatre Controls Inc 50 am
38. n 1 ce m caa r osif cae Y cer Tl ceo ci 1 9 151 152 153 154 155 156 157 158 159 1510 1511 1512 19 6 nii n 8 1 1 1 1 1 1 1 1 1 r Th n T Tl n T2 T T 2 T2 2 12 WIRE FIRE ALARM TRANSFER SIGNAL 1 12 WIRE TH 1 TB TB TB TB TB TB TB TB TB 1 1 1 1 1 1 1 1 1 1 1 D 073 C A A 8 8 C 1 KEYSWITCH CIRCUIT 1 1 5 1 AUXILIARY d eeu r cez6 ceu ce18 4 0819 4 821 22 1 23 1 24 TRANSFER S GNAL 8 1 T 1 Tl 12 1 1 1513 1514 1515 1516 1517 1518 1519 1520 1521 1522 1523 1524 1 1 1 I 1 1 1 6 E 12 T3 13 13 T3 T4 T4 T4 T4 T4 T4 mii 12 WIRE Door panel schematic Breaker bracket schematic Figure 33 ELTS door panel and breaker bracket wire connection schematics TS2A TS3A 1518 1528 1538 9 ex G 029 G 5 n in dn 012 90 b rej 12 90 932 23 rez 12 90 030 e 72 90 032 93 J TERM INAL
39. nging the Transfer to Emergency and Return to Normal delays The Transfer to Emergency delay is the time the ELTS waits before switching to Emergency after the Emergency power voltage and frequency stabilize You can set the delay from zero to five minutes using potentiometer 2 The Retum to Normal delay is the time the ELTS waits before switching from Emergency to Normal after Normal power is stabilized The delay can be set from one second to 30 minutes using potentiometer P1 Note quickly restart an interrupted performance or for testing purposes you can instantly switch the ELTS back to Normal power with the front panel Local switch or a Remote keyswitch station 1 Locate potentiometer P1 Emergency to Normal or P2 Normal to Emergency using Figure 23 on page 23 2 the potentiometer clockwise to increase the interval or counterclockwise to decrease it Use the adjustment values marked on the PCB to approximate the desired delay Note Markings are approximate may need to test settings with a timing device to achieve exact delay values Transfer to Return to Normal Emergency delay delay P2 P1 i 15M 305 2 4 10M E 105 5 25 dS 74M 5 5 30M TIMER TIM ER Low setting N E in setting E N Figure 25 P2 Transfer to Emergency and P1 Return to Normal Override Emergency source outage delay The Override Emergency source outage delay is the time the ELT
40. nsfer System User M anual 21 ELTS Timing Voltage and Line settings Factory settings for timing source voltage and line frequency work best for most installations If necessary you can adjust settings after installation Warming Improper setting changes may affect normal operation of the ELTS and result in switching function failure Only make changes to timing voltage and frequency settings if you are familiar with the system Table 4 ELTS timing settings Delay type Factory setting Adiustment range Adjusted by Override Normal source outage delay 13 seconds 1 or 3 seconds DIP switch 53 1 Transfer to Emergency delay 0 seconds 0 seconds 5 minutes Potentiometer P2 Return to Normal delay 5 minutes 1 second 30 minutes Potentiometer Override Emergency source outage delay 4 seconds Not adjustable N A Generator cool down unloaded run time 5 minutes Not adjustable N A Table 5 ELTS Phase frequency settings Description Factory setting Adjustment range Adjusted by Single or three phase operation Set at factory 10 or 30 DIP switch 51 6 Phase frequency As indicated for application 50Hz or 60Hz DIP switch 51 4 Emergency Source frequency pickup 19576 of line frequency 4THz or 57Hz Phase frequency setting Emergency Source frequency dropout 85 of line frequency 43Hz or 51Hz Phase frequency setting Table 6 ELTS source voltage settings 120v ELTS voltage settings Fact
41. nsfer switch Emergency feed connections 7 Torque the connections to the correct values using Table 2 below Table 2 Switch assembly wire sizes and connection torques Wire size Torque Wire size Torque 14 10AWG 35 in Ibs 8 AWG 40 in Ibs 45 in Ibs 13 AWG to 2 0 50 in Ibs Emergency Lighting Transfer System User M anual 13 Connecting lighting circuit wires to transfer sw itches Circuits 13 18 19 24 Figure 12 20 amp Transfer switch circuit assignments Circuits Lighting load Neutral output wire Lighting load Line wire 7216 Am Lighting load Line and Neutral terminals Each transfer switch can have up to six 20 amp circuits or two 50 amp circuits connected to it You need to connect Line and Neutral inputs from the dimmer rack and outputs to the emergency lighting loads Table 3 Switch assembly wire sizes and connection torques 1 35 in bs 8 AWG 45 105 3 AWG to 2 0 Torque 40 in Ibs 50 105 14 10AWG 6 4AWG 20 amp dimmer rack Load and Neutral wire input connections 1 Attach the conduit for the wires from the dimmer rack to the bottom of the ELTS cabinet recommended 2 Connect a Neutral wire for each dimmer circuit to terminals NN1 through NN6 on the right side of the transfer switch assembly See Figure 12
42. o terminal 5 across from vvire G3 Connecting Remote stations to the ELTS You can connect up to 10 Remote stations to the ELTS with parallel wiring 1 Pull the Remote station wires to the ELTS Remote station terminal Note You must know the wire assignments used at the Remote station being connected For Remote Station installation instructions see page 11 2 Connect Remote terminal wire 1 Common to terminal 1 3 Connect Remote terminal wire 2 Emergency Select to terminal 4 4 Connect Remote terminal wire 3 Normal Select to terminal 5 5 Connect Remote terminal wire 4 Normal indicator LED to terminal 2 6 Connect Remote terminal wire 5 Emergency indicator LED to terminal 3 Terminal numbers are visible on You must keep track of wire terminal the top of the connection block assignments wire color may vary 906060 RI 1 0000 2N EIL R id J Remote terminal 1 __ 44 Remote terminal 2 R4 M IO Remote terminal 3 Rs Remote terminal Remote terminal 5 214 1 LT Figure 18 Remote Station terminal connections to ELTS connector Emergency Lighting Transfer System User Manual 17 Remove Fire alarm shorting wire and install Fire alarm circuit wires in termina land 2
43. ory setting Adiustment range Adjusted by Normal source voltage dropout 108 102 96 or 84 volts DIP switch S1 1 2 Emergency source voltage pickup No adjustment N A Emergency source voltage dropout No adjustment N A 277 ELTS voltage settings Factory setting Adjustment range Adjusted by Normal source voltage pickup 249 volts 249 or 263 volts DIP switch 51 3 Normal source voltage dropout 235 volts 249 235 222 or 193 volts DIP switch S1 1 2 Emergency source voltage pickup 249 volts No adjustment N A Emergency source voltage dropout 208 volts No adjustment N A Voltage Adjust 120v and 277v Factory setting Adjustment range Adjusted by Low reduces all voltage settings 4 2 High 100 High 100 or Low 95 8 DIP switch 53 2 Note Voltage Adjust also reduces Emergency Pickup and Dropout voltages See Table 7 on page 25 for voltage values when Voltage Adjust is set to LOW Electronic Theatre Controls Inc Changing ELTS settings Control panel You adjust ELTS settings on the control panel by opening the cabinet and removing the control panel cover in the ELTS enclosure Gaining access to the ELTS control panel 1 Disconnect both ELTS power sources Disconnect Emergency first then Normal If the ELTS vvas using the Emergency source you may hear the CES actuators switch over to No
44. p dimmer rack Load and Neutral wire input connections 1 Attach the conduit for the wires from the dimmer rack to the bottom of the ELTS cabinet recommended 2 Connect a Neutral wire for each dimmer circuit to terminals NN1 NN2 on the right side of the transfer switch assembly See Figure 14 left to match switch assemblies to loads 3 Connect a Line wire for each dimmer circuit to terminals NLI and NL2 on the right side of the transfer switch assembly 4 Repeat steps 2 and 3 for the other transfer switch assemblies 50 amp lighting load Line and Neutral output connections 1 Attach the conduit for the wires to the lighting loads through the bottom of the ELTS cabinet recommended 2 Connect a Neutral wire for each lighting load to terminals LN1 LN2 on the left side of the transfer svvitch assembiy See Figure 14 to match Figure 14 50 amp transfer svvitch assemblies to loads switch circuit assignments 3 Connect a Line wire for each lighting load to terminals LL1 and LL2 on the left side of the transfer switch assembly 4 Repeat steps 2 and 3 for the other transfer switch assemblies Lighting load Line Input connections and Neutral for Line and Neutral terminals wires from the 121 dimmer rack 5 Normal power 11 50er Lighting load 1 eutral wire Neutr
45. phase neutral and ground lugs using values in Table 1 Emergency power lug wire sizes and connection torques on page 12 5 Vacuum the ELTS cabinet to remove dust and debris that may have collected 6 Note the test results in the test and maintenance log Electronic Theatre Controls Inc Troubleshooting If you have trouble with an installed ELTS system you can contact ETC Technical Service at 800 775 4382 Waming Trouble shooting usually involves opening the ELTS cabinet and metering voltages Opening the ELTS cabinet with power applied exposes you to death or injury from electrical shock Use extreme caution during all troubleshooting activities Emergency or Normal Power Stable LED does not turn on properly During normal operation either the Normal Power Stable or Emergency Power Stable LED should be lighted If one or the other does not light the problem may be with the LED Normal or Emergency sensing wiring or Normal or Emergency power 1 Switch between Normal and Emergency power on the ELTS control panel keyswitch and observe the results v The ELTS switches between Normal and Emergency 1 Check for loose LED wire connections or defective LEDs 2 Make sure the Control Panel connector is properly seated v The ELTS does not switch between Normal and Emergency 1 Go to the next ELTS troubleshooting section The ELTS will not switch between Normal and Emergency If the system will not switch from Emergency pow
46. phase configuration Open the ELTS cabinet door and check for loose connections or broken components caused by shipping vibration f you discover a problem vvith your order call ETC Customer Service at 800 688 4116 ELTS 850 1820 2420 122 0 g l l 0 m ELTS power supply Isolation relays o Control panel S T D LLL ON x Emergency Ground lug g Emergency ELTS power 2 Line Neutral lugs 5 1 Isolation relays 77 e f 1 Terminal il blocks Transfer sw itch o assemblies Emergency Lighting Transfer System User M anual Figure 2 Identifying ELTS components 7 ELTS Models _ Large ELTS cabinet 30 wide x 54 tall x 9 deep ELTS 850 8 circuits of 50 amps ELTS 1820 18 circuits of 20 amps ELTS 2420 24 circuits of 20 amps Small ELTS cabinet 30 wide x 36 tall x 9 deep ELTS 450 4 circuits of 50 amps ELTS 620 6 circuits of 20 amps ELTS 1220 12 circuits of 20 amps 00000 00
47. r function 2 If an assembly cannot be switched manually check for something that could be physically obstructing it If you find something remove it and manually test the switch again If you cannot find and remove the cause of the switching failure the assembly is defective and must be replaced 3 the assembly switches manually check for loose wire connections to the assembly and look for damaged wires between the assembly and the control panel Repair any wire problems you find and test the system 32 Electronic Theatre Controls Inc Appendix A ELTS specifications Dimensions Small cabinet ELTS 450 ELTS 620 ELTS1220 36 x 30 x 9 Large cabinet ELTS 850 ELTS 1820 ELTS 2420 54 x 30 x 9 W eight ELTS 450 ELTS 620 ELTS1220 305 pounds ELTS 850 ELTS 1820 ELTS 2420 370 pounds Electrical Operational voltage 120 240V single phase 250 amp maximum 120 208V three phase 175 amp maximum 277 480V three phase 175 amp maximum Frequency 50 60Hz Short circuit current 10 kA 120 240V 100 000 kA 277 480V 5 kA with 50 amp circuit breakers Electrical Compliance v v v v v v ANSI UL 1008 Listed Automatic Transfer Switches ANSI NFPA 110 Emergency and Standby Power Systems ANSI NFPA 70 National Electric Code Article 701 Legally Required Standby Systems Article 700 Emergency Systems Article 540 11 c Motion Picture Houses Article 520 7 Theatres and Similar Locations Ar
48. r the ELTS to use the Emergency source to replace Normal power It is set at the factory to 95 percent of the ELTS phase frequency and cannot be adjusted but does use the ELTS phase frequency for its 50 or 60Hz reference The Emergency source Dropout frequency is the lowest line frequency the ELTS can tolerate when using Emergency power It is set at the factory at 85 percent of the ELTS phase frequency and cannot be adjusted but does use the ELTS phase frequency for its 50 or 6 2 reference 50Hz ELTS setting Pickup 47 50Hz 60Hz ELTS setting Pickup 57 0Hz Dropout 42 5Hz Dropout 51 0Hz Electronic Theatre Controls Inc peration Automatic operation During automatic operation the ELTS system switches back and forth from Normal to Emergency when either power supply is interrupted or restored Lit if Normal power Lights when is acceptable Emergency power is use Lit if Emergency pov er is acceptable Lights when Lights when ELTS Normal power is sends a Generator used NORMAL EMERGENCY 5 start signal Lights when ELTS Keysw itch selects NORMAL AUTO EMERGENCY OT recehes fire alarm POWER activation etween Norma D Mets Oe ghts when ELTS receives a auxiliary activation Figure 29 Local control LED indications Selecting the preferred pow er source Normal or Emergency Using the local keyswitch on the front of the ELTS c
49. rmal l e Q 2 Open the ELTS cabinet and locate the ELTS control panel using Figure 21 Warming Opening ELTS cabinet with power on may result in death or injury from electrical shock Figure 21 Control panel 3 Release the latch on the right side of the control panel cover and lift the cover off to the right See Figure 22 left 4 Use Figure 23 below to locate the desired adjustment component ha ZS Mi Latch M Covery 3 f Figure 22 Removing the control panel cover ren SESS 9 yada 53 DIP 51 52 Potentiometer 2 Potentiometer Figure 23 Adjustment potentiometer DIP switch locations 5 Use the instructions on the following pages to make the desired changes vinstructions for ELTS Timing settings are page 24 vinstructions for ELTS Voltage settings are on page 25 vinstructions for ELTS Line settings are on page 26 Emergency Lighting Transfer System User Manual 23 53 1 1 second delay 53 Figure 24 Dip Switch S3 1 24 zo Changing the Normal source outage delay The Normal source outage delay is the amount of time the ELTS will tolerate a Normal power voltage fault before starting the switch to Emergency power It can be set to 1 or 3 seconds using DIP switch 53 1 1 Locate 53 using Figure 23 page 23 set 53 1 to the desired setting Cha
50. s cabinet Y Y y 24290 MER rH 24 250 4 730 000 cabinet gt 30 000 cabinet gt Large cabinet Small cabinet Figure 5 ELTS cabinet mounting dimensions Note When planning your installation make sure to leave space around the cabinet for entry and exit wire conduit Emergency line and neutral conduit may require extra space due to increased bend radius requirements for larger cables Emergency Lighting Transfer System User M anual 9 10 Emergency conduit entry area Emergency power lugs Recommended control condui location Factory wired terminal Remote stations Fire alarm transfer Auxiliary transfer Generator start Normal sensing Emergency sensing Recommended control conduit location Factory wired terminal Planning wire entry into the ELTS cabinet The Emergency power connections must enter the cabinet from the top or side of the cabinet within six inches of the top left corner Control Normal power sensing and options wires connect most easily if they enter above the Remote station terminal or just below the Emergency sensing terminal on the left side of the cabinet Note Do not run the control normal power sensing and options wiring in the same conduit as Emergency phase or load power wiring Load wires in from the dimmer rack and out to the lighting loads connect most easily if they enter through the bottom of the cabinet eith
51. ticle 518 3 c Places of Assembly City of New York Advisory board Electrical Department OSHA Department of Defense Environment Ambient temperature between 32 F and 104 0 and 40 Humidity between 30 and 95 percent non condensing Altitude below 6500 feet 2000 meters Emergency Lighting Transfer System User M anual 33 Appendix Wire connection schematics and diagrams Wire connection schematics and diagrams are included to help you understand the internal wiring of your ELTS system
52. will not switch power sources after receiving a fire alarm or auxiliary activation Emergency Lighting Transfer System User M anual 27 Squeeze the release tabs on the sides of each plug together and pull it out Do not pull on the plug wires 28 Switching power sources manually If you need to switch the ELTS from one power source to another when the electronic switching circuits will not function for example if you needed to use either Normal or Emergency power but the voltage or frequency was below the limit you can set the transfer switch assemblies manually 1 Disconnect both Normal and Emergency power Warning Tum off Normal and Emergency power to the ELTS at the main circuit breaker Opening the cabinet with power applied may result in death or injury from electrical shock 2 Open the ELTS cabinet 3 Disconnect the two connectors on the left side of the control panel Both plugs should 9 E be removed for manual operation Plugs can be disconnected with the Control Panel cover in place WSs b e H 0000000000000000 Figure 30 Removing the control panel connector Waming Operating switch assemblies manually without disconnecting the control panel connector may result in the assemblies switching back automatically causing severe hand injuri
53. y to EMERGENCY POWER The red light above EMERGENCY OPERATION tums and the emergency loads go to full brightness If Emergency power is provided by an engine generator there will be a short delay as the generator tums on and the voltage and frequency stabilize 3 Release the key The keyswitch retums to AUTO center and the EMERGENCY OPERATION light remains on 4 Tum the key to the NORMAL POWER position The green light below NORMAL OPERATION tums on if the system is functioning correctly 5 Release the key The keyswitch returns to AUTO and the NORMAL OPERATION light remains on Remote switch functions After confirming correct function of the keyswitch on the front of the ELTS cabinet repeat the switch function checkout procedure at every remote station installed on your system 20 Electronic Theatre Controls Inc Automatic function The automatic function tests the ELTS s ability to svvitch back and forth from Normal to Emergency when Normal power is interrupted or restored 1 Make sure the NORMAL OPERATION LED is lit on the ELTS front panel 2 Turn off Normal power to the dimmer rack connected to the ELTS v The NORMAL OPERATION and NORMAL POWER STABLE LEDs on the ELTS front panel go out The ELTS switches to Emergency power the EMERGENCY OPERATION and EMERGENCY POWER STABLE LEDs light and the emergency loads go to full brightness v If Emergency power is provided by engine generator there will be
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