Emerson 7000 Series User's Manual
Contents
1. ASCO 7000 SERIES EMERSON Power Transfer Switch Network Power Closed Transition Alarms Transfer Transfer Switch Transfer Switch Control TS Connected Connected Franskar Extended Failure Locked To To A te Tact Parallel To Out Normal Emergency Bypass S cows Time Synchronize Push To Reset e S25 Closed Normal Emergency o Alarm Transition observe Source Source operate Reset Bypass th ese lig hts Accepted Accepted th is switch Push To Reset Push To Bypass Mi Figure 2 6 7ACTS controls and indicators to Normal and Normal Source ACTS Electrical Operation Accepted lights should be on This procedure checks the electrical operation of the automatic closed transition transfer switch See Figure 7 6 Turn and hold the Transfer Control switch clockwise to Transfer Test until the engine starts and runs within 15 sec The Emergency Source Accepted light should come on E transfer switch will operate to the Emergency position after Transfer Test Both normal and emergency sources must be available and the emergency source generator if used must be capable of being started in this Feature 2B time delay The procedure Transfer Switch Connected to Emergency light should come on and Load Connected to Normal light goes off You might see and hear the brief overlap transfer The transfer switch will operate back to the Normal position after Feature 3A time dely For im2. Operator s Manual ASCO 7000 Series Medium Voltage Automatic Transfer Switches 4 76 15 0 27 kV 1200 2000 3000 ampere y DANGER DANGER is used in this manual to warn of a hazard situation which if not avoided will result in death or serious injury WARNING is used in this manual to warn of a hazardous situation which if not avoided could result death or serious injury 4 CAUTION CAUTION is used in this manual to warn of a hazardous situation which if not avoided could result in minor or moderate injury Typical 7000 Series MV ATS 1200 A Refer to the outline and wiring drawings provided with your 7000 Series ATS for all installation and connection details and accessories Refer to the Group 5 Controller User s Guide 381333 126 for ATS status display messages time delays pickup amp dropout settings amp adjustments ASCO 7000 Series Medium Voltage Automatic Transfer Switches ATS are designed to ANSI C37 20 2 standard for metal clad switchgear and are UL 1008A Listed Nameplate and Rating Label The nameplate includes data for each specific automatic transfer switch Use the ATS only within the limits shown on this nameplate Each ATS has a rating label to define the loads interrupting short time and close amp latch ratings Refer to the label for specific values Do not exceed the values on the rating label Exceeding the rating can cause personal injury or serious e
3. Check the controller display for error messages and determine the cause of the trip After the fault is cleared turn the Breaker Control switch to CLOSE Press the Alarm Reset button The CB should close Circuit breaker trips on an ATS without protective relay Check the protective relay and determine the cause of the trip refer to device s Circuit breaker trips on an instructions After fault is cleared reset the protective relay Then reset the ATS with a protective Lock Out Relay by turning it to RESET Next turn the Breaker Control switch to relay CLOSE Press the Alarm Reset button The CB should close A ATS 1 2 3 3 1 ATS INFORMATION screen 2 2 ACTS 1 2 4 3 2 ADTS 1 2 5 3 3 Alarm Reset 1 2 1 2 2 3 1 3 2 3 3 ASI 800 800 2726 ASCO customercare asco com Auto Transfer Switch 2 1 auxiliary circuits 1 1 1 B batteries 3 1 3 2 3 3 Breaker Control 1 2 1 2 2 3 1 3 2 3 3 connections l 1 controller Group 5 refer to User s Guide 381333 126 C catalog number 1 CBE CBN circuit breakers 2 1 3 2 circuit breaker 1 2 1 2 2 2 5 3 1 3 2 3 3 close circuit breaker 2 1 2 2 2 5 3 1 3 2 3 3 closed transition alarms 2 4 Closed Transition Bypass 2 4 configuration of shipped ATS 2 1 connections l 1 contacts engine control 1 1 controller Group 5 2 2 refer to User s Guide 381333 126 D DANGER statement cover device 1 2 3 1 3 2 3 3 DIP switch settings 2 2
4. switch is turned and held in Transfer Test position or when the normal source fails Transfer switch does not transfer the load to the emergency source after the engine generator set Starts Transfer switch does not transfer the load to normal source when normal returns or when the Transfer Control switch is released Engine generator set does not stop after load retransfer to the normal source Circuit breaker trips on an ATS without protective relay Circuit breaker trips on an ATS with a protective relay Hazardous voltage capable of causing shock burns or death is used in the switch Do not touch the power or load terminal of the transfer switch Check in Numerical Sequence 1 Operation Hold Transfer Test switch 15 seconds or the outage must be long enough to allow for Feature 1C time delay plus engine cranking and starting time Wait for Feature 2B time delay to time out if used Wait for Feature 3A time delay to time out if used Wait for Feature 2E time delay to time out if used Starting control must be in the automatic position Batteries must be charged and connected Check wiring to engine starting contacts on customer terminal block TB Verify on the controller that small plug J3 is connected to receptacle P3 Generator output circuit breaker must be closed Generator frequency must be at least 95 of nominal 57 Hz for a 60 Hz system Starting control must be in the
5. 0 Variable elements Rating Type A Automatic C 50 kAIC D 16 kAIC NOTE Interrupting rating A 25 kAIC is not available for voltage ratings below 5 kV Emergency Source Circuit Breaker Emergency source Breaker Control switch Normal Source Breaker Control switch Normal Source Circuit Breaker Type blank Open C Closed D Delayed S Soft load non soft load L Soft load transfer U Service entrance Normal G Service entrance Emerg P Service entrance N amp E Transfer Switch Controls CB SECTION 4 CONTROL SECTION Voltage transformer Transfer control amp lights Controller Transfer Switch control Customer terminal block Voltage transformer Typical 7000 Series MV ATS with location of major components 1200 amp shown 381333 395 Installation 1 1 Installation The ASCO 7000 Series Medium Voltage Automatic Transfer Switch ATS is factory wired and tested Refer to the manual from the manufacturer of the metal clad switchgear for section handling installation power connections and testing Supporting Structure The supporting foundation for the enclosure must be level and straight Refer to the applicable enclosure outline drawing included with the transfer switch for all mounting details including door opening space Mounting Refer to the outline and mounting diagram and mount the automatic transfer switch accordin
6. OSE position red target window 3 On CB Section turn the Emergency source circuit breaker control switch to the CLOSE position red target 4 On Control Section press the transfer controls Alarm Reset button Normal source circuit breaker should close The Normal source CB control switch should indicate that the circuit breaker is CLOSED red light The ATS is now in an automatic standby operating mode Proceed to transfer test 381333 395 Controller Settings for MV ATSs Refer to the Group 5 Controller User s Guide 381333 126 for ATS status display messages time delays pickup amp dropout settings amp adjustments The Group 5 Controller is factory set for medium voltage operation These are the special settings Controller Voltage Jumper Blocks The control voltage is typically stepped down to 120V so the eight jumper blocks are factory arranged horizontally for 120 V input Controller Menu Settings ATS Information Rating is 1200 2000 or 3000 A The ATS information rating setting is 1200A 2000A or 3000A ATS Information is Circuit Breaker Non Bypass The ATS information type setting is BRKR NBPS What to do if a circuit breaker trips Check the protective relay and determine the cause of the trip Refer to device s instructions After fault is cleared reset the protective relay Reset the Lock Out Relay by turning it to RESET Turn the Breaker Control switch to CLOSE Press the A
7. allow for wiring to engine starting and held in Transfer Test Feature 1C time delay plus contacts on customer position or when the engine cranking and starting terminal block TB Verify on normal source fails time the controller that small plug J3 is connected to receptacle P3 Emergency Transfer switch does not Generator output circuit voltage on transfer the load to the Wai l breaker must be closed controller display ait for Feature 2B time delay emergency source after to time out if used Generator frequency must should read at the engine generator set l be at least 95 of nominal least 90 of starts 57 Hz for a 60 Hz system nominal phase to phase voltage Transfer switch does not Normal voltage on transfer the load to controller display normal source when Wait for Feature 3A time delay should read at normal returns or when to time out if used least 90 of the Transfer Control nominal phase to switch is released phase voltage Engine generator set does not stop after load Wait for Feature 2E time delay Starting control must be in retransfer to the normal to time out if used the automatic position source light comes on transfer Recheck voltage and frequency of both sources Press Alarm Reset light comes on disconnected source CB then call ASI for assistance Transfer lockout operation has occurred transfer switch is disabled from automatic comes on operation Open the disconnected source circuit breaker then
8. automatic position 3 Voltage on Display Emergency voltage on controller display should read at least 90 of nominal phase to phase voltage Normal voltage on controller display should read at least 90 of nominal phase to phase voltage Check the controller display for error messages and determine the cause of the trio After the fault is cleared turn the Breaker Control switch to CLOSE Press the Alarm Reset button The CB should close Check the protective relay and determine the cause of the trip refer to device s instructions After fault is cleared reset the protective relay Then reset the Lock Out Relay by turning it to RESET Next turn the Breaker Control switch to CLOSE Press the Alarm Reset button The CB should close 3 2 Troubleshooting 381333 395 Troubleshooting for MV ACTS Hazardous voltage capable of causing shock Refer to the Group 5 Controller User s Guide burns or death is used in the switch Do not 381333 126 for ATS status display messages time delays pickup amp dropout settings amp adjustments touch the power or load terminal of the transfer switch Check in Numerical Sequence Problem 1 Operation 3 Voltage on Display Starting control must be in the automatic position Gen Set does not start Hold Transfer Test switch 15 Batteries must be charged when the Transfer seconds or the outage must be and connected Check Control switch is turned long enough to
9. call ASI Check the controller display for error messages and determine the cause of the trip After the fault is cleared turn the Breaker Control switch to CLOSE Press the Alarm Reset button The CB should close Circuit breaker trips on an ATS without protective relay Check the protective relay and determine the cause of the trip refer to device s Circuit breaker trips on instructions After fault is cleared reset the protective relay Then reset the Lock an ATS with a protective Out Relay by turning it to RESET Next turn the Breaker Control switch to relay CLOSE Press the Alarm Reset button The CB should close 381333 395 Troubleshooting 3 3 Troubleshooting for MV ADTS Hazardous voltage capable of causing shock burns or death is used in the switch Do not touch the power or load terminal of the transfer switch Refer to the Group 5 Controller User s Guide 381333 126 for ATS status display messages time delays pickup amp dropout settings amp adjustments Check in Numerical Sequence Problem 1 Operation 3 Voltage on Display Starting control must be in the automatic position Gen Set does not start Hold Transfer Test switch 15 Batteries must be charged when the Transfer seconds or the outage must and connected Check Control switch is turned be long enough to allow for wiring to engine starting and held in Transfer Test Feature 1C time delay plus contacts on customer position
10. e and the emergency source generator if used must be capable of being started in this procedure Perform the steps at the right Observe the status lights E Black square means light is on O White square means light is off Turn and hold the Transfer Control switch clockwise to Transfer Test until the engine starts and runs within 15 sec The Emergency Source Accepted light should come on CBN opens and the Transfer Switch Connected to Normal light should go off and the Load Disconnect Active light should come on Both CBN and CBE contacts are now open 3 After the delay transition time delay CBE closes The Transfer Switch Connected to Emergency light should come on and the Load Disconnect Active light goes off 4 CBN closes after Feature 3A time delay For immediate retransfer turn the Transfer Control counter clockwise to Retransfer Delay Bypass The Transfer Switch Connected to Normal light should come on the Transfer Switch Connected to Emergency light should go off 5 The engine generator will stop after the Feature 2E time delay unloaded running engine cool down The Emergency Source Accepted light should go off 381333 395 Troubleshooting 3 1 Troubleshooting for MV ATS Refer to the Group 5 Controller User s Guide 381333 126 for ATS status display messages time delays pickup amp dropout settings amp adjustments Gen Set does not start when the Transfer Control
11. er Switch Connected To Normal 2 3 2 4 2 5 Transfer Switch 2 1 Transfer Test 2 3 2 4 2 5 trip circuit breaker 2 1 2 2 3 1 3 2 3 3 troubleshooting 3 1 3 2 3 3 TS Locked Out 2 1 3 2 V voltage 1 3 1 3 2 3 3 voltage jumper blocks 2 2 refer to User s Guide 381333 126 W Waiting for In Sync 2 4 WARNING statement cover All Rights Reserved
12. erminal block is located on the interior left side of the control section Refer to the wiring diagram provided with the automatic transfer switch Connect the engine start wires to the appropriate terminals See Figure 1 1 and Table A Table A Engine generator control contacts When normal source fails TB terminals TB1 and TB2 TB1 and TB3 engine generator control contacts Figure 1 1 Customer terminal block TB in controls section Auxiliary Circuits Connect auxiliary circuit wires to appropriate terminals on terminal block TB as shown on the wiring diagram provided with the automatic transfer switch 2 1 Operation 381333 395 n Configuration of Shipped ATS CB SECTION CONTROL SECTION The MV ATS is shipped with the circuit breakers and controls in UE E ay the following state Emergency source ON CB SECTION S Circuit Breakers check these items circuit breaker control switch Normal source circuit breaker CBN 2 in the OPEN position with the closing spring discharged Oo a Emergency source circuit breaker CBE in the OPEN position with the closing spring discharged Normal source circuit breaker control switch S3CBN E in the TRIP position green target displayed on control switch Emergency source circuit breaker control switch 53CBE in the TRIP position green target displayed on control switch ON CONTROL SECTION Controls check this item Transfer Switch Auto Man se
13. g to details and instructions shown on the diagram NOTICE Protect the transfer switch from construction grit and metal chips to prevent malfunction or shortened life of the transfer switch Testing Power Conductors Do not connect the power conductors to the transfer switch until they are tested Installing power cables in conduit cable troughs and ceiling suspended hangers often requires considerable force The pulling of cables can damage insulation and stretch or break the conductor s strands For this reason after the cables are pulled into position and before they are connected they should be tested to verify that they are not defective or have been damaged during installation Line Connections Refer to the wiring diagram provided with the transfer switch All wiring must be made in accordance with the National Electrical Code and local codes De energize all conductors open all circuit breakers and rack out all voltage transformers before making any connections De energize any UPS station battery system or any similar system providing standby control power Be sure that the Normal and Emergency line connections are in proper phase rotation Place the engine generator starting control in the OFF position Make sure engine generator is not in operation Engine Generator Control Connections All customer connections including the engine control contact connections are located on terminal block TB This t
14. larm Reset button The circuit breaker should close if its connected source is selected by the controller to serve the load Operation 2 2 Lock Out Relay optional If an optional protective relay device is ordered for the normal and or emergency source circuit breaker a Lock Out Relay LOR is provided on the appropriate circuit breaker compartment door The LOR responds to a signal from a protective relay and in turn trips the appropriate circuit breaker The LOR locks out the circuit breaker until the fault is cleared and the protective relay and LOR has been reset A red light and orange window shows tripped Lock Out Relay status lights green ready to respond red trip signal sent to CB Status window black ready to respond oranges trip signal sent to CB Figure 2 3 Lock Out Relay Breaker Control Tripped Light opt If an optional protective relay device is ordered the BREAKER CONTROL switch has a center amber TRIPPED light This light comes on if the CB has been tripped by the LOR Optional circuit breaker tripped light amber CB tripped open Figure 2 4 Breaker Control Tripped light 2 3 Operation 381333 395 N ASCO 7000 SERIES EMERSON E Netwark Power Power Transfer Switch Transfer Transfer Switch Transfer Switch Control Connected Connected Transfer T To Retransfer ve Emergency Bypass HIRS Normal Emergency observe Saurce Source these lights Accepted Acce
15. lector switch 53 AM sa Normal source circuit breaker in the MAN manual position Bernal witch Transfer Switch control switch Circuit breaker position lights green CB open a ee ee ee red CB closed x E Figure 2 1 Location of control switches Be sure to close both enclosure doors before proceeding to prevent personal Figure 2 2 Control switches injury in case of electrical system fault Breaker control target indicator green tripped red closed Energizing the Normal Source Setting Automatic Operation Mode After the MV ATS is installed the Normal source can be energized Then the controls can be set for automatic standby operation The Normal and Emergency sources must be available Follow this procedure ON CONTROL SECTION Controls check these items The transfer control indicator lights Normal Source Accepted and TS Locked Out should be on The controller display should show that the transfer switch is Locked Out ON CB SECTION S Circuit Breakers check these items Normal source circuit breaker control switch should indicate that the circuit breaker is OPEN green light Emergency source circuit breaker control switch should indicate that the circuit breaker is OPEN green light Energizing procedure 1 On Control Section turn the Transfer Switch Auto Man selector switch to the AUTO automatic position 2 On CB Section turn the Normal source circuit breaker control switch to CL
16. mediate retransfer turn the Transfer Control counter clockwise to Retransfer Delay Bypass The Transfer Switch Connected to Normal light should come on the Transfer Switch Connected to Emergency light should go off The engine generator will stop after the Feature 2E time delay unloaded running engine cool down The Emergency Source Perform the steps at the right Observe the status lights E Black square means light is on O White square means light is off If you do not want closed transition transfer press the Closed Transition Bypass pushbutton while the controller display shows Waiting for In Sync This action causes open transition momentary load interruption transfer to the opposite source 1f conditions permit Also refer to the Group 5 Controller User s Guide 381333 126 Accepted light should go off 2 5 Operation asco 7000 SERIES Power Transfer Switch 381333 395 EMERSON Network Power Transfer Transfer Switch Transfer Switch Control Connected To Normal observe 7o Normal these lights Accepted GREEN ag o iy rii nde aver ard Emergency Load Source Disconnect k operate Accepted Active th IS switch _ Figure 2 7 7ADTS controls and indicators ADTS Electrical Operation This procedure checks the electrical operation of the automatic delayed transition transfer switch See Figure 2 7 Transfer Test Both normal and emergency sources must be availabl
17. or when the engine cranking and starting terminal block TB Verify on normal source fails time the controller that small plug J3 is connected to receptacle P3 Emergency Transfer switch does not Generator output circuit voltage on transfer the load to the breaker must be closed controller display Wait for Feature 2B time emergency source after delay to time out if used Generator frequency must should read at the engine generator set be at least 95 of nominal least 90 of Starts 57 Hz for a 60 Hz system nominal phase to phase voltage Transfer switch does not Normal voltage on transfer the load to normal controller display source when normal Wait for Feature 3A time should read at returns or when the delay to time out if used least 90 of Transfer Control switch is nominal phase to released phase voltage Engine generator set does not stop after load Wait for Feature 2E time Starting control must be in retransfer to the normal delay to time out if used the automatic position source Load Disconnect Active Wait for load disconnect time engin ene oun a EAV AATAS light comes on delay to time out transfer mode Load disconnect time delay is adjustable from 0 to 5 min 59 sec Load Disconnect Active Explanation Transfer switch contacts are open Check load disconnect time light stays on longer than 6 delay setting Call ASI min longer than 5 min 59 sec maximum setting Load remains disconnected
18. pted Hi Figure 2 5 7ATS controls and indicators operate this switch to Normal and Normal Source ATS Electrical Operation Accepted lights should be on This procedure checks the electrical operation of the automatic transfer switch See Figure 2 5 Turn and hold the Transfer Control switch clockwise to Transfer Test until the engine starts and runs within 15 sec The Emergency Source Accepted light should come on E transfer switch will operate to the Emergency position after Transfer Test Both normal and emergency sources must be available and the emergency source generator if used must be capable of being started in this procedure Feature 2B time delay The Transfer Switch Connected to Emergency light should come on and Load Connected to Normal light goes off The transfer switch will operate back to the Normal position after Feature 3A time delay For immediate retransfer turn the Transfer Control counter clockwise to Retransfer Delay Bypass The Transfer Switch Connected to Normal light should come on the Transfer Switch Connected to Emergency light should go off The engine generator will stop after the Feature 2E time delay unloaded running engine cool Perform the steps at the right Observe the status lights E Black square means light is on O White square means light is off down The Emergency Source Accepted light should go off 381333 395 Operation 2 4
19. quipment damage This equipment is designed for use with dangerous levels of power from multiple sources Additionally voltage transformers and standby control power sources i e station battery system UPS included in the equipment must be disconnected when servicing this equipment Persons installing servicing and operating this equipment must be trained licensed appropriately and familiar with medium voltage electrical power equipment and adhere to required apparel protection tools controls and procedures Table of Contents Catalog No major components view INSTALLATION Mounting Connections OPERATION Energizing ATS after Installation Controller Lock out relay optional Transfer Test ATS ACTS ADTS 2 3 2 4 2 5 TROUBLESHOOTING ATS ACTS ADTS 3 1 3 2 3 3 back page amp ASCO Tectrsionites EMERSON 50 Hanover Rd Florham Park NJ 07928 USA 381333 395 For sales or service call 800 800 2726 ASCO www ascopower com i Catalog Number 381333 395 Catalog Number Identification A typical Catalog Number is shown below with its elements explained The example 1s for a 7000 Series Automatic Transfer Switch class A interrupting rating automatic open transition transfer dual circuit breaker 3 pole 1200 ampere 6 6 kV 60 Hz in a Type 1 enclosure Product Series Device Type Poles Controller Fixed elements 7 7000 M dual CB transfer 3 3 pole 5 Group 5 Catalog Number A 7 _ T M
20. refer to User s Guide 381333 126 doors section 1 2 1 WARNING close all doors before operating the ATS 381333 395 Printed in U S A INDEX E Emergency Source Accepted 2 3 2 4 2 5 enclosure 1 1 1 energizing the normal source 2 1 engine generator control 1 1 Extended Parallel Time 2 4 3 2 F Failure To Synchronize 2 4 frequency 3 2 H HELP 800 800 2726 ASCO ASI customercare asco com help troubleshooting 3 1 3 2 3 3 installation 1 1 L lights 1 2 1 through 2 5 3 2 3 3 line connections 1 1 Load Disconnect Active 2 5 3 3 Lock Out Relay optional 2 2 3 1 3 2 3 3 M Man Transfer Switch 2 1 messages 3 1 3 2 3 3 mounting 1 1 N Normal Source Accepted 2 3 2 4 2 5 O open circuit breaker 2 1 2 2 operation 2 1 through 2 5 closed transition 2 4 delayed transition 2 5 open transition 2 3 WARNING close all doors before operating the ATS optional accessories 2 2 ASCO Power Technologies L P 2013 R rating cover 1 Retransfer Delay Bypass 2 3 2 4 2 5 S sections 1 2 1 settings controller 2 2 supporting structure 1 1 T TB customer terminal block 1 1 testing power conductors 1 1 time delays IC 2 3 2 4 2 5 3 1 3 2 3 3 2B 2 3 2 4 2 5 3 1 3 2 3 3 2E 2 3 2 4 2 5 3 1 3 2 3 3 3A 2 3 2 4 2 5 3 1 3 2 3 3 9 load disconnect 3 3 Transfer Control 2 3 2 4 2 5 Transfer Switch Connected To Emergency 2 3 2 4 2 5 Transf
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