Emergency Lighting Transfer System User Manual 1997
Contents
1. Emergency Lighting Transfer System User Manual 68 52 11111 lt 11 Le TB n Ene Nne 16 TS6 6 TB N 135 JINNS 15 155 85 51 H 14 154 eana NORMAL TOLAMP 5110 71 6 NORMAL 18 nN SOURCE LOADS Z m SOURCE 13 31 19 159 1813 ING 8 uev uev 12 152 4 2 21 18 158 2 2 n 11 781 Tg 17 157 Lgs 7 Daun 1811 T1 Iri TRANSFER SWITCH Ta Ly 12 TRANSFER SWITCH 12 Tes 183 71 12 In 77 gue Id 1141 11111 PAA ABB BP 3182 ws T TENG ING 6 1518 v s 2 1824 TBT TB N ENSI 35 1817 4 5 5 41 1823 85 uv 3 34 7816 84 NORMAL TO LAMP amp 40 1522 Eu NORMAL 2 m SOURCE L2. Emergency Lighting Transfer System User Manual 35 Electronic Theatre Controls North America Europe Asia 3030 Laura Lane 5 Victoria Industrial Estate Victoria Road Room 1619 20 16 F Metro Centre Il e 21 Lam Hing Street Middleton Wisconsin 53562 9 USA London W3 6UU England Kowloon Bay Hong Kong Tel 1 608 831 4116 Fax 1 608 836 1736 Tel 44 181 896 1000 Fax 44 181 896 2000 Tel 852 2799 1220 Fax 852 2799 9325 World Wide Web http www etcconnect com Email mail etcconnect com Copyright 1997 revised 8 97 Specifications subject to change 10981101
3. CIRCUIT 7 CIRCUIT 8 CIRCUIT 9 CIRCUIT 10 CIRCUIT 11 CIRCUIT 12 mgm N N m gy N m MB QN yy MC AN 087 088 0810 0812 20A 20A 20A 20A 20A 20A 187 158 158 1810 1811 1812 v v v v 12 WIRE LOAD LOAD LOAD LOAD LOAD LOAD CIRCUIT 7 CIRCUIT 8 CIRCUIT 8 CIRCUIT 10 CIRCUIT 11 CIRCUIT 12 7 107 l8 8 19 100 112102 9 9 9 31 929 1 1 1 T 1 32 930 L L L L L L L L L L L L oq N N N N N N N N N N N N T 12 910 NU NN NB 10 NN 2 2 NORMAL SOURCE NORMAL SOURCE NORMAL SOURCE NORMALSOURCE NORMAL SOURCE NORMAL SOURCE CIRCUIT 7 CIRCUIT 8 CIRCUIT 9 CIRCUIT 10 CIRCUIT 11 CIRCUIT 12 12 POLE UNIT TS2 EMERG SOURCE EMERG SOURCE EMERG SOURCE EMERG SOURCE EMERG SOURCE EMERG SOURCE CIRCUIT 13 CIRCUIT 14 CIRCUIT 15 CIRCUIT 15 CIRCUIT 16 CIRCUIT 17 noy N noy N moy N n y N my oN ey N 0813 0815 0815 CBI6 CB17 20A 20A 20A 20A 20A 20A 5 1513 514 515 515 516 1817 4 v i 5 12 WIRE LOAD LOAD LOAD LOAD LOAD LOAD CIRCUIT 13 CIRCUIT 14 CIRCUIT 15 CIRCUIT 16 CIRCUIT 17 CIRCUIT 18 iv 115 LN1B 108 17 7 LNI 9 9 14 oe 32 ls
4. 1 0000 Figure 3 Large and small ELTS cabinets Remote station part 1093A2023 Provides front panel keyswitch control at remote locations w Link up to ten stations with parallel wiring v Normal and Emergency LEDs indicate ELTS status 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 1300000000 55 187 bolts B Fu 24 250 bolts W E 30 000 cabinet Large cabinet Emergency Lighting Transfer System User Manual A 9 ag 54 000 cabinet DEB 4 37 187 g 36 000 H bolts cabinet y Y y 9375 24250 bolts UJ Ent 5 30 000 cabinet T Small cabinet Figure 5
5. L L L L L L L L L L L L T N N N N N N N N N N N N T 12 910 4 NNI 4 NNI NLIS NNI 16 NNI 17 NNI NORMAL SOURCE NORMAL SOURCE NORMALSOURCE NORMALSOURCE NORMAL SOURCE NORMAL SOURCE CIRCUIT 13 CIRCUIT 14 CIRCUIT 14 CIRCUIT 15 CIRCUIT 16 CIRCUIT 17 12 POLE UNIT TS3 EMERG SOURCE EMERG SOURCE EMERG SOURCE EMERG SOURCE EMERG SOURCE EMERG SOURCE CIRCUIT 19 CIRCUIT 20 CIRCUIT 21 CIRCUIT 22 CIRCUIT 23 CIRCUIT 24 oT oT 7 oT N m q N m E N m N m Sg N 19 CB20 CB21 CB22 CB23 CB24 20A 20A 20A 20A 20A 20A 1819 1820 1821 1822 1823 1524 4 v 4 12 WIRE LOAD LOAD LOAD LOAD LOAD LOAD CIRCUIT 19 CIRCUIT 20 CIRCUIT 21 CIRCUIT 22 CIRCUIT 23 CIRCUIT 24 1 1120 N20 1421 1122 12 1123 1023 124 124 9 9 9 9 9 6 1 1 1 E E E E E E E E E E E E E 541 92 L L L L L L L L L L L N N N N N N N N N N N N T 2 910 NN 20 2 2 22 22 N23 23 24 24 NORMALSOURCE NORMAISOURCE NORMALSOURCE _ NORMAL SOURCE CIRCUIT 19 CIRCUIT 20 CIRCUIT 21 CIRCUIT 22 CIRCUIT 23 CIRCUIT 24 12 POLE UNIT TS4 Electronic Theatre Controls Inc Appendix E Test and Maintenance Log Date installed System address Service contact Date Inspected by Manualtransfer Automatic transfer Visual inspection Vacuumed
6. POWER AAAAAAAAAAAAAAAA 14117120 12 15 18 21 13 16 19 22 T1 T1 T1 T1 T1 T1 T2 T2 T2 31 34 37 40 32 35 38 41 33 36 39 42 13 13 13 4 4 4 T4 T4 T4 tr CONTROL PANEL 12 WIRE S 8 a 53 67 68 53 53 51 66 53 2 53 51 24VDC 53 FUSE 64 ai RI 66 TO CUSTOMER REMOTE CONTROL STATION RC FACTORY JUMPER REMOVE REQUIRED TO CUSTOMER FIRE ALARM CNTRL STATION TO CUSTOMER AUX STATION AS TO LAMP TO ENGINE LOADS GENERATOR CONTROL wl TO CUSTOMER 52 MAIN PANEL s 51 To CUSTOMER EMERGENCY BRANCH PANEL 5 69 52 69 57 TO LAMP 1 LOADS 1 1 1 T Gl 1 1 5 1 15 1 63 51 EC 51 EA 69 20 525252 52 69 17 ACT 147 8 7 1111 14 11 65 1 51 51 1 62 1 11
7. Emergency generator Channels 1 6 Normal loads 1 Normal Emergency loads are routed through the ELTS Normal load power comes from the dimming system If the ELTS detects loss of Dimmer rack dimmer normal power it switches the normal emergency loads from dimmer normal M power to the emergency power source Normal power Channels 7 12 into ELTS 22 Normal Emergency loads Channels 7 12 from ELTS L1 L2 and L3 sensing wires Fire alarm activation Aux activation ELTS cabinet Up to ten Remote stations can be connected to the ELTS Figure 1 Diagram of a typical ELTS system Electronic Theatre Controls Inc Emergency ground lug Emergency Line and Neutral lugs Terminal blocks Installation 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 Torn or opened containers Water stains or wetness Crushed or punctured boxes w 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 Open the ELTS cabinet door and check for loose connections or broken components caused by shipping vi
8. 14 Electronic Theatre Controls Inc Door control and indicator connections prewired Remote station connections Fire alarm signal transfer Auxiliary signal transfer Engine generator start Normal power sensing Emergency ower sensing forewired Transfer switch connections prewired Figure 12 Control and Sensing wire terminal connections Emergency Lighting Transfer System User Manual SST 1r uu uu Control and Sensing wire connections Control and power sensing wires connect to terminal blocks on the left side of the ELTS cabinet Terminals can accept from 8 to 22 AWG wires Torque terminal screws to 18 in Ibs 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 power sensing wires Normal power sensing wires connect to the phase lugs of the dimmer rack connected to the ELTS They attach 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
9. ELTS cabinet mounting dimensions Notice 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 power conduit entry area Emergency power lugs Factory wired terminal Recommended control conduit location 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 either between or beside the transfer switch assemblies Note Except for the emergency power supply wires which must enter near the top left corner of the cabinet recommended conduit entry locations may be chan
10. 235 volts 187 244 volts Emergency source voltage pickup 249 volts 235 277 volts Emergency source voltage dropout 212 volts No adjustment 15 below pickup setting Emergency source frequency pickup 57 hertz 57 60 hertz Emergency source frequency dropout 50 hertz No adjustment 12 below pickup setting Electronic Theatre Controls Inc Operation 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 mergency power is used 2 Electronic Theatre Controls Inc Lit if power is acceptable is Lights when ELTS d sends a Generator start signal se Lights when ELTS Keyswitch selects amp 4 receives a fire alarm ELS pM Ss www O activation etween Norma and Emergency CT Lights when ELTS receives a auxiliary activation Figure 21 Local control LED indications Selecting the preferred power source Normal or Emergency Using the local keyswitch on the front of the ELTS cabinet 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 w Toselect Normal power turn the key left The green NORMA
11. 620 ELTS1220 36 x 30 x 9 Large cabinet ELTS 850 ELTS 1820 ELTS 2420 54 x 30 x 9 Weight ELTS 450 15 620 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 60 2 Short circuit current 10 kA 120 240V 100 000 kA 277 480V 5 kA with 50 amp circuit breakers Electrical Compliance 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 Article 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 F 0 and 40 C Humidity between 30 and 95 percent non condensing Altitude below 6500 feet 2000 meters 30 Electronic Theatre Controls Inc Appendix B Wire connection schematics and diagrams Wire connection schematics and diagrams are included to help you understand the internal wiring of your ELTS system INCOMING POWER ts lo z 314 1 213 4 1 2 3 4 1 2 3 4 5 6
12. GE r from dimmer TQ D G2 7 19 S 0 lt Ol y T 55 0 ou Line wire dimmer Prewired Emergency feeds B wi Prewired Emergency Line and Neutral input terminals Figure 9 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 8 above to match switch assemblies to loads 3 Connect a Line 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 Emergency Lighting Transfer System User Manual 13 50 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 NN2 on the right side of the transfer switch assembly See Figure 10 left to match switch assemblies to loads 3 Connect a Line wire for each dimmer circuit to terminals and NL2 on the right side of the transfer swi
13. P2 elay 0 8 minutes SW2 down Return to Normal delay 30 minutes 0 SW1 up 1 0 5 30 minutes SW1 down Generator cool down 5 minutes 0 8 seconds SW3 up P3 ycle 0 5 30 minutes SW3 down Getting access to the ELTS control panel Figure 17 Removing the control panel cover To make adjustments you must access the ELTS control panel 1 Disconnect Normal and Emergency power to the ELTS AN Warning Opening the ELTS cabinet with power on may result in death or injury from electrical shock 2 Open the ELTS cabinet 3 Release the two latches on the control panel cover and remove it See Figure 17 left Potentiometer P1 SW1 SW2 and SW3 Potentiometer P3 Potentiometer P2 Potentiometer P4 Figure 18 potentiometer and DIP switch locations Emergency Lighting Transfer System User Manual 21 DIP switch in Up position SW1 213 pa DIP switch in Down position Figure 20 Setting DIP switches Changing the momentary outage override The momentary outage override is the interval the ELTS will tolerate a Normal power voltage fault without switching to Emergency power It can be set from 0 5 to 6 seconds using adjustment potentiometer P4 1 25 Follow the instructions page 21 to remove the control panel cover Locate P4 using Figure 18 Adjustment potentiometer and DIP switch locations on page 21 Turn P4 cl
14. system v Operation on page 25 tells you how to use and service your system The Appendix B Wire connection schematics and diagrams page 31 contains additional information you may need Warnings and notice conventions These symbols alert you to danger or important information Warning Warns you when electricity may cause injury Warning Warns you when there is a possibility of other types of injury Notice Alerts you to important information relating to equipment performance or reliability Contacting ETC For questions about ELTS system delivery or general information contact ETC Customer Service at 800 688 4116 Codes and standards Emergency Lighting Transfer System User Manual ELTS systems meet the following regulatory standards for emergency lighting transfer devices 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 Article 518 3 c Places of Assembly City of New York Advisory board Electrical Department OSHA v Department of Defense 4 System Diagram Main power Normal loads are connected directly to the dimming system If main power fails normal loads are dark
15. to terminal 1 across from wire w Connect phase C to terminal 5 across from wire NC Note On single phase three wire systems connect phase B to terminal 5 Closed start G1 signal E Always n m conne iet G2 Open start 7 signal L G3 Figure 13 Connections for Engine generator starting wires Remote 1 1 Remote 2 B2 Remote 3 R3 Remote 4 R4 Remote 5 R5 Figure 14 Connections for Remote stations Connecting the Engine generator starting wires The ELTS system can provide both normally open and normally closed starting circuits for engine generator activation 1 Connect two wires to the terminals of your engine generator starting circuit Note Consult your generator installation manual for start signal wiring information 2 Pull the wires through the conduit to the engine generator start terminal block Connect one of the starting wires to terminal 3 across from wire G2 Connect the other starting wire to terminal 1 or 5 Fora closed start signal connect the wires to terminal 1 across from wire G1 Foran open start signal connect the wires to terminal 5 across from wire G3 Connecting Remote stations to the ELTS You can connect up to 10 Remote stations to the ELTS with parallel wiring For Remote station installation instructions see page 11 1 Pull the Remote station wires the Remote sta
16. 092 H CP7 EA SENSE SE THIS EA DRAWING 83 gt 05 i ER SE gr HH FACTORY CONNECTION THIS TO TRANSFER SWITCHES DRAWING 55 CPG gt EC SENSE SEE TRANSFER SWITCH 1811 15 SCHEMATIC DIAGRAM 10 3 TS COM 183 TR ER SE B 16 4 34 133 182 8 SE gt 033 1 THIS Tis Q DRAWING DRAWING 33 34 Appendix D Transfer switch load switching schematic EMERG SOURCE EMERG SOURCE EMERG SOURCE EMERG SOURCE EMERG SOURCE EMERG SOURCE CIRCUIT 1 CIRCUIT 2 CIRCUIT 3 CIRCUIT 4 CIRCUITS CIRCUIT 6 m y N m e N m gr N m y N m gn N m gn N 082 086 20 20 20 20 20 4 12 WIRE LOAD LOAD LOAD LOAD LOAD LOAD CIRCUIT 1 CIRCUIT 2 CIRCUIT 3 CIRCUIT 4 CIRCUIT 5 CIRCUIT 6 LNT 12 713008 LNA 5 15 31 929 i I 181 32 930 L L L L L L L L L L L s N N N N N N N N N N N N isi 12 910 NLS 5 6 NN6 AE V NIN NS 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 151 EMERG SOURCE EMERG SOURCE EMERG SOURCE EMERG SOURCE EMERG SOURCE EMERG SOURCE
17. C A B C A B sr L i duh H KEYSWITCH CIRCUIT gt gt gt AUXILIARY 17 0 cete d 19 20 11 21 11 22 1 23 J 824 TRANSFER SIGNAL 8 1 T T 1 1 Tl 12 1813 1814 1815 1817 818 1819 1520 1521 1822 1523 1524 12 1 1 1 I 1 I 1 13 13 T3 T3 T3 T4 14 4 4 4 14 wit E cu 12 WIRE Door panel schematic Breaker bracket schematic Figure 25 ELTS door panel and breaker bracket wire connection schematics 51 TS2A TS3A 1818 1528 1538 m 31 459 13 11 31 529 31 29 Hm 11 31 29 i 11 14 rs m 7 1 m 12 90 930 187 32 930 m e 7 TERMINAL BLOCK TS12 TS TS10 TS10 1530 1530 1628 FACTORY CONNECTIONS 1511 TO CONTROL MODULE 1811 TB2 32 TBI SEE CONTROL SCHEMATIC DIAGRAM Figure 26 Transfer switch assembly control wire connections schematic Electronic Theatre Controls Inc Appendix C Transfer switch control system schematics EXPLANA cP CR1 PS TR PL1 PL 01 03 55 FIRE ALARM STATION ION CONTROL PANEL CONTROL RELAY POWER SUPPLY RANSFER RELAY DICATING LIGHT DIODE BLOCKS SELECTOR SWITCH KEY OPERATED TRANSFER SWITCH TERMINAL CONNECTION TERMINAL BLOCK CONNECTOR PLUG TO CONTROL PANEL CONNECTION POINT FACTORY JUMPE
18. ELTS Normal Load Emergency Emergency Lighting Transfer System User Manual Electronic Theatre Controls Inc Emergency Lighting Transfer System User Manual Contents tpe ted Mee 5 Howto e ttd 5 Codes amnd starndards us crt nni ete t teet tete oeste t 5 System ee Pate de e i Cre e vien d 6 Installation and setup chapters Installation ore ll HER e E 7 Unpack and Inspection meet n n 7 ELTS Models tutt ipea e ere e euet rupe 8 Mounting the ELTS Cabine tires inr ettet ene ets e 9 Installing Remote stations 11 Connecting power and control wiring to the ELTS cabinet 12 Transfer switch Normal power and lighting load connections 13 Control and Sensing wire 15 retenta tuse 18 Before you power up for the first time 222 2 2 2 18 ON SYSTE 18 checkout es 19 Settings HA 21 21 ELTS voltage and frequency 08 2 24 Use and service chapters Operation
19. L OPERATION LED lights 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 When the 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 will not switch power sources after receiving a fire alarm or auxiliary activation Emergency Lighting Transfer System User Manual 25 26 Switching power sources manually If you need to switch the ELTS from one power source to another when the electronic switching circu
20. OADS 2 w uc SOURCE Se 33 1815 4 3 3 gt 39 TS21 u3 w nin w E 32 1514 4 2 2 38 1520 4 2 mw 31 18513 4 1 1 37 1619 81 TRANSFER SWITCH 18 TRANSFER SWITCH FE 11 33 12POLE e 182 412 14 12 POLE 182 182 13 183 L2 1183 TB3 BACKWALL Figure 24 ELTS cabinet wire connection location diagram 31 NORMAL POWER STABLE i g 7 1 T6 4 i EMERGENCY POWER STABLE 18 1 3 1 12 WIRE 3 1B 1B B C B B C A B C i 1 1 GENERATOR EMERGENCY NORMAL T LI START OPERATION OPERATION 2 2 2 2 2 gt n0 1 5 1 Wed 4 cg 8 ceu 12 9 6 175 1 8 b m TS 155 Te T bs E En 1 11 2 2 T2 T2 T2 T2 12 WIRE FIRE ALARM TRANSFER SIGNAL 12 WIRE m 1 1 1 1 1 EFTS 1 A B C A
21. RS REMOVE AS REQUIRED s 208 VAC CKT FROM NORMAL MAIN PANEL 208 VAC CKT LT 3 PS 208 VAC INPUT DUAL INPUT POWER SUPPLY INTERNAL JUMPER 9 24 Vdc OUTPUT 5 INTERNAL JUMPER F gt IXILIARY STATION AS Al Al LOCA DIAGNOSTIC PNL LD AUXILIARY TRANSFER SIGNAL FIRE ALARM 1 TRANSFER SIGNAL GENERATOR 111 FIRE 0 1 START EMERG POWER T10 GEN 140 18 STABLE NORMAL POWER STABLE LOCAL CONTROL STATIO EMERG 12 Emergency Lighting Transfer System User Manual FIRE ALARM ISOLATION RELAY AUX STATION ISOLATION RELAY TRANSFER MANUAL RELAY 12 T x 8 6 a 13 Bom gos B X5 X KEY OPER D T n n X13 4 4 14 RETRANSFER B CRYA __ MANUAL RELAY CONTROL STATION RC 021 CONTROL PANEL Sa THIS NA DRAWING THIS NC prawing 56 1 gt 2 NC SENSE TS NO 4 gt CP14 181 NB FROM NORMAL MAIN PANEL 1 gt cP11 gt NB SENSE NORMALLY NR CLOSED CONTACT 10 ENGINE GEN ENGINE GENERATOR 4 START RUN gt CP8 gt 4 CONTROL COMMAND i NORMALLY OPEN CONTACTS 2
22. 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 Emergency Lighting Transfer System User Manual 20 Automatic function The automatic function tests the ELTS s ability to switch back and forth from Normal to Emergency when Normal power is interrupted or restored 1 2 Make sure the NORMAL OPERATION LED is lit on the ELTS front panel Turn off the normal power to the dimmer rack connected to the ELTS The NORMAL OPERATION and NORMAL POWER STABLE LEDs on the ELTS front panel goes out and the ELTS switches to Emergency power the EMERGENCY OPERATION and EMERGENCY POWER STABLE LEDs light and the emergency loads go to full brightness If Emergency power is provided by an engine generator there will be a short delay before switching as the generator turns on and the voltage and frequency stabilize Turn the Normal power back on The ELTS switches back to Normal power after the retransfer delay times out the default setting is one minute On the front of the ELTS the EMERGENCY OPERATION and EMERGENCY POWER STABLE LEDs turn off and the NORMAL OPERATION and NORMAL POWER STABLE LEDs light 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 a
23. ations 1 Cuta hole within six inches of the top left corner of the ELTS cabinet 2 Install conduit and pull the Emergency power cables into the cabinet Note Top conduit connections are recommended to reduce the cable bending necessary to connect to the lugs 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 0 275 in Ibs Phase and Neutral lugs single phase 6 AWG to 250 215 10 108 Ground lug both phase types 14 AWG to 2 0 50 in Ibs Three phase 4 wire connections 1 Connect each phase power cable to the correct lug See Figure 7 below to identify the lugs Connect the Neutral cable to the Neutral lug Connect the Ground cable to the Ground lug Phase C lug ns phase LTS only Ground lug Phase A lug Neutral lug Figure 7 Connecting Emergency power to the ELTS Single phase connection 3 wire 1 Connect one phase cable to the Phase A lug and one to the Phase B lug See Figure 7 above to identify lugs Connect the Neutral cable to the Neutral lug Connect the Ground cable to the Ground lug Electronic Theatre Controls Inc Transfer switch Normal power and lighting load connections 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 ou
24. 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 power 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 18 to test the switching mechanism for mechanical problems Electronic Theatre Controls Inc 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 28 If the ELTS switches locally Try switching the ELTS from other Remote station if multiple stations have been installed 1 If the other stations function check the wire terminal 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 Check the wire connections on the Remote station terminal block Check the Remote station fuse in the ELTS cabinet Remove this cover on the left side of the Isolation relays to check the Remote station fuse gea ge amp J amp
25. bration If you discover a problem with your order call ETC Customer Service at 800 688 4116 ELTS 850 1820 2420 e no 2 ae oe 0 ge e 0 1 0 c c ELTS power supply Isolation relays E Control panel ELTS 450 620 1220 e e Emergenc ricca X ground A 33 8 e 4 foto S Emergency ELTS power supply Line and Neutral lugs 1 Isolation relays Terminal Il blocks e Transfer switch assemblies Emergency Lighting Transfer System User Manual Figure 2 Identifying ELTS components 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
26. cea eeu a d da a 25 Automatic 2 25 Switching power sources manually 2 2 6 26 Service e ope eet lah taht eae hie Nd 27 Preventive 0 2222 2 22 22 27 Troubleshooting 28 Emergency Normal Power Stable LED does not turn on properly 28 The ELTS will not switch between Normal 28 Remote stations cannot switch the 5 22 2 29 Appendices Appendix A ELTS 30 Appendix B Wire connection schematics and diagrams 31 Appendix C Transfer switch control system schematics 33 Appendix D Transfer switch load switching schematic 34 Appendix E Test and Maintenance 9 35 Emergency Lighting Transfer System User Manual 3 Electronic Theatre Controls Inc Emergency Lighting Transfer System Introduction Welcome to ETC s Emergency Lighting Transfer System ELTS User Manual 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 o gt gt This manual 15 divided into three sections Installation on page 7 tells you how to install and test your
27. e Do not plug the control panel connector back in until you want the ELTS to resume automatic operation Restoring automatic operation 1 Disconnect Normal AND Emergency power Warning Turn off Normal and Emergency power to the ELTS at the main circuit breaker Opening the cabinet with power applied exposes you to death or injury from electrical shock Open the ELTS cabinet Reconnect the large brown connector on the lower left side of the control panel 4 Close the cabinet door and restore power to the ELTS Electronic Theatre Controls Inc 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 Maintenance Log is included on page 35 We suggest you post a copy near your ELTS cabinet Warning Turn off Normal and Emergency power to the ELTS 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 19 for keyswitch instructions and indications 2 Note the test resu
28. g from Emergency to Normal after Normal power is restored The delay can be turned off or set from 0 5 to 30 minutes using DIP switch SW1 adjustment potentiometer P1 Note To disable the delay on a one time basis to quickly restart an interrupted performance or for testing purposes switch the ELTS back to Normal with the front panel Local switch or a Remote keyswitch station 1 Follow the instructions on page 21 to remove the control panel cover 2 Locate SW1 using Figure 18 Adjustment potentiometer and DIP switch locations on page 21 3 To turn off the delay put SW1 up set the range from 0 5 to 30 minutes put SW1 down 4 If SW1 is down locate P2 using Figure 18 Adjustment potentiometer and DIP switch locations on page 21 5 Turn P2 clockwise to increase the interval or counterclockwise to decrease It P2 has a 270 adjustment range Changing the Generator cool down interval The Generator cool down interval sets the time the ELTS waits before shutting off the Emergency power generator after switching back to Normal power It can be set from zero to 8 seconds or 0 5 to 30 minutes using DIP switch SW3 and adjustment potentiometer Caution Consult your generator user manual for proper cool down times before changing the Generator cool down interval 1 Follow the instructions on page 21 to remove the control panel cover 2 Locate SW3 using Figure 18 Adjustment potentiometer and DIP switch locat
29. ga 6 geao 6 A gea gea ga ga ga 3 e ere ie e e Figure 23 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 16 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 18 to locate any transfer switch assemblies that have not switched and to manually test their 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 If 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 Emergency Lighting Transfer System User Manual 29 Appendix A ELTS specifications Dimensions Small cabinet ELTS 450 ELTS
30. ged based on the requirements of your installation Control panel Isolation relays 280181816 Transfer switch assembly Transfer switch manual operation handle Recommended load input and output conduit locations a 2 Figure 6 ELTS components Electronic Theatre Controls Inc Mounting the cabinet After determining where you want to install the cabinet follow these instructions 1 3 Install two 3 8 bolts 24 25 inches apart for the lower two support slots the installer must supply the mounting hardware Use the mounting dimensions from Figure 5 ELTS cabinet mounting dimensions on page 9 to drill the holes for the upper two 3 8 bol
31. ges 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 The ELTS should switch between Normal and Emergency power 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 The ELTS does not switch between Normal and Emergency Go to the next ELTS troubleshooting section The ELTS will not switch between Normal and Emergency If the system will not switch from Emergency power 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 18 If the system will not switch from Normal power 1 Meter Emergency power using the procedures in Voltage checkout on page 18 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
32. ions on page 21 3 To make the adjustment range zero to 8 seconds put SW3 up To make the range 0 5 to 30 minutes put SW3 down 4 Locate P3 using Figure 18 Adjustment potentiometer and DIP switch locations on page 21 5 After setting the range turn P3 clockwise to increase the interval or counterclockwise to decrease it P3 has a 270 adjustment range Emergency Lighting Transfer System User Manual 23 ELTS voltage and frequency settings Voltage and frequency settings are set at the factory and should only be adjusted by an authorized ETC representative Caution Indiscriminate changes to voltage and frequency sensing settings may affect normal operation of the ELTS and result in switching function failure Table 4 120 volt ELTS voltage and frequency settings Description Factory setting Adjustment range Normal source voltage pickup 108 volts 102 120 volts Normal source voltage dropout 102 volts 81 106 volts Emergency source voltage pickup 108 volts 102 120 volts Emergency source voltage dropout 92 volts No adjustment 15 below pickup setting Emergency source frequency pickup 57 hertz 57 60 hertz Emergency source frequency dropout 50 hertz No adjustment 12 below pickup setting Table 5 277 volt ELTS voltage and frequency settings Description Factory setting Adjustment range Normal source voltage pickup 249 volts 235 277 volts Normal source voltage dropout
33. its 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 Normal AND Emergency power Warning Turn off Normal and Emergency power to the ELTS at the main circuit breaker Opening the cabinet with power applied exposes you to death or injury from electrical shock 2 Open the ELTS cabinet 3 Disconnect the large brown connector on the lower left side of the control panel Squeeze the release tabs on both sides of the socket together an pull the plug out e m 6 Figure 22 Removing the control pane connector Warning Operating switch assemblies manually without disconnecting the control panel connector may result in the assemblies switching back automatically causing severe hand injuries To switch from Normal to Emergency power Turn 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 Turn 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 Not
34. lts 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 19 for keyswitch instructions and indications 2 Test ELTS Auto transfer function See Automatic function on page 20 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 19 for keyswitch instructions and indications 2 Testthe ELTS Auto transfer function See Automatic function on page 20 for automatic transfer instructions and indications Visually inspect the ELTS cabinet for loose wires or component damage Retighten ELTS 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 Emergency Lighting Transfer System User Manual 27 Troubleshooting If you have trouble with an installed ELTS system you can contact ETC Technical Service at 800 775 4382 Warning Trouble shooting usually involves opening the ELTS cabinet and metering volta
35. ockwise to increase the interval or counterclockwise to decrease It P4 has a 270 adjustment range Note Potentiometer adjustments change timing as a fractions of the adjustment range For example turning the pot half its range changes the timing value by 50 You will need to use some trial and error and a timing device to achieve exact values Clockwise to increase Counterclockwise to decrease Figure 19 Changing adjustment potentiometer settings Changing the Transfer to Emergency delay The Transfer to Emergency delay sets the time the ELTS waits before switching to Emergency after the Emergency power voltage and frequency stabilize You can set the delay in two time ranges from zero to 60 seconds or zero to 8 minutes using DIP switch SW2 and adjustment potentiometer P2 Follow the instructions on page 21 to remove the control panel cover Locate SW2 using Figure 18 Adjustment potentiometer DIP switch locations on page 21 To select the zero to 60 second adjustment range put SW2 up To select the zero to 8 minute range put SW2 down Locate P2 using Figure 18 Adjustment potentiometer and DIP switch locations on page 21 After setting the range turn P2 clockwise to increase the interval or counterclockwise to decrease It P2 has a 270 adjustment range Electronic Theatre Controls Inc Changing the Return to Normal delay The Return to Normal delay sets the time the ELTS waits before switchin
36. 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 inside the ELTS cabinet 3 Pullthe wires from the circuit breakers through wire conduit to the Normal power sensing terminal block in the ELTS cabinet 4 Connect the sensing wires to the Normal power sensing terminal block w Connect phase A to terminal 1 across from wire NA w Connect phase B to terminal 3 across from wire NB w Connect phase C to terminal 5 across from wire NC Note On single phase three wire systems terminal 5 will not be used Connecting the Emergency power sensing wires Emergency power sensing wires on 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 Sensing wires on systems without front panel circuit breakers must be wired into the ELTS cabinet Note Emergency power sensing wires must be 12 AWG or larger 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 3 Connect the sensing wires to the Emergency sensing terminal block w Connect phase A
37. re 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 v v Activate the fire alarm or auxiliary relay The ELTS should switch to Emergency power and the emergency loads should go to full 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 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 Electronic Theatre Controls Inc Settings ELTS timing settings ELTS timing settings for momentary outage override transfer to Emergency delay return to Normal delay and generator cool down are set at the factory You can adjust settings for specific applications any time after installation Caution Only make changes to ELTS timing settings if you are familiar with the system and know the reason for making the change Table 3 ELTS timing settings Delay type Range DIP Switch Adjustment i Pot Momentary Outage 0 5 6 seconds P4 Latch override to Emergency 0 60 seconds SW2 up
38. rm 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 2 49 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 1 Connect the other wire to terminal 2 across from wire 2 Note If you do not use the auxiliary activation feature leave the shorting wire in place or the ELTS will not operate properly Testing Before you power up for the first time Checking transfer switch 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 Emergency power should be off when open the ELTS cabinet for to check switch operation Opening the cabinet with power applied exposes you to death or injury from electrical shock 1 Open the ELTS cabinet Warning Rotating the transfer switch assemblies manually with Normal or Emergency power applied may result in the assemblie
39. s switching automatically causing severe hand injuries 2 Turn the 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 If you have difficulty operating the switch check for installation debris that may be blocking switch operation 4 Repeat steps 2 and with the remaining transfer switch assemblies Turn on system 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 The red Emergency light turns 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 Open the ELTS cabinet Use a digital voltmeter DVM to test the feed voltage at the Normal power sensing terminal block Figure 12 on page 15 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 B or C Voltage values must be within 10 percent of the rated voltage for the ELTS 6 Close the ELTS cabinet Electronic Theatre Controls Inc Functional checkout After verif
40. tch 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 Connecta Neutral wire for each lighting load to terminals LN1 and LN2 on the left side of the transfer switch assembly See Figure 10 to match Figure 10 50 amp transfer Switch assemblies to loads Switch circuit assignments 3 Connecta 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 for the other transfer switch assemblies Lighting load Line Input connections for Line and and Neutral Neutral wires from the terminals dimmer rack Normal power N Lighting load 181 Neutral wire Neutra output 4 POLE TRANSFER SWITCH from dimmer me eh 2 8 27 Lighting load Line output wire d y T Line wire from dimmer Prewired Emergency feed Prewired Emergency Line and Neutral input terminals V Figure 11 50 amp Transfer switch connections for Line and Neutral wires 10 OS
41. tion terminal 2 Connect the Remote wire 1 Common to terminal 1 across from wire R1 3 Connect the Remote wire 2 Emergency Select to terminal 4 across from wire R2 4 Connect the Remote wire 3 Normal Select to terminal 5 across from wire R3 5 Connect the Remote wire 4 Normal indicator LED to terminal 2 across from wire R4 6 Connect the Remote wire 5 Emergency indicator LED to terminal 3 across from wire R5 Electronic Theatre Controls Inc Remove Fire alarm shorting wire and install Fire alarm circuit wires in terminals 1 and 2 G Remove Aux shorting wire and install Aux circuit wires terminals 1 and 2 Figure 15 Connecting fire alarm and auxiliary circuit wires Emergency Lighting Transfer System User Manual 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 m 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 ala
42. tputs to the emergency lighting loads The Line and Neutral input from Emergency power are delivered prewired Table 2Switch assembly wire sizes and connection torques Wire size Wire size Torque 14 10 AWG 8 AWG 40 10 108 Circuits Circuits 6 4 AWG 3 AWG to 2 0 50 in Ibs 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 8 left Figure 6 20 amp Transfer to match switch assemblies to loads switch circuit assignments 3 Connect a Line wire for each dimmer circuit to terminals through NL6 on the right side of the transfer switch assembly 4 Repeat steps 2 and 3 for the other transfer switch assemblies Lighting load Lighting load Line Input connections for Line and Neutra output and Neutral Neutral wires from the wire terminals 2 dimmer rack Normal power S T 5 5 80 5 5 8 5 LY D Lighting load Line output wire ES 217 12121217 ess G2 79 force Ss Se 2 mies Neutral wire S
43. ts Place the ELTS cabinet on the wall supported by the two lower bolts Notice 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 Emergency Lighting Transfer System User Manual 1 Install a standard two gang backbox 4 x 4 x 3 5 and run wire conduit from it to the ELTS cabinet Pull five conductor Class 2 12 Vdc wiring through from the backbox to the cabinet Connect the wires to the terminal strip on the back of the remote station Note which terminal each wire connects to Install the Remote station onto the backbox with four 6 32 x 1 2 oval head machine screws provided To install multiple Remote stations repeat steps 1 4 wiring in parallel between Remote station terminal blocks Refer to Connecting Remote stations to the ELTS on page 16 for instructions for connecting Remote station wiring inside the ELTS cabinet Connecting power and control wiring to the ELTS cabinet A 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 The Emergency power lugs are in the upper left of the ELTS cabinet The ELTS is available in one or three phase power configur
44. ying the Normal and Emergency voltages check the ELTS system functions Lights when mel gency power is USE MATICT ISSUE NO 934 Lights when Normal power is used NORMAL OPERATION Kevewiten selects ELTS preference between Normal and Emergency NORMAL Electronic Theatre Controls Inc MODEL ELTS VATIC TRANSFER SWITCH FOR EMERGENCY SYSTEMS NORMAL STABLE TRAN Lit if Normal power 15 acceptable Lit if Emergenc power 18 acceptable Lights when ELTS sends a Generator start signal Lights when ELTS receives afire alarm activation Lights when ELTS receives a auxiliary activation Figure 16 Local control operation and LED indications Switch function 1 Insert the key into the keyswitch on the front panel of the ELTS 2 Turnthe key to EMERGENCY POWER The red light above EMERGENCY OPERATION turns on and the emergency loads go to full brightness If Emergency power 15 provided by engine generator there will be a short delay as the generator turns on and the voltage and frequency stabilize 3 Release the key The keyswitch returns to AUTO center and the EMERGENCY OPERATION light remains on 4 Turn the key to the NORMAL POWER position The green light below NORMAL OPERATION turns on if the system is functioning correctly 5 Release the key The keyswitch returns to AUTO and the NORMAL OPERATION light remains on
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