Technicolor - Thomson POWER & CONTROL TS 870 User's Manual
Contents
1. 10004 12004 100 FROM FROM GENERATOR SOURCE 1 SUPPLY SOURCE 2 SUPPLY m EX p turar 1 L ls a LEAL meee SUPPL al N BPH a q FRON GENERATOR FROM UTILITY Scumce 2 SLFFLY SOURCE 1 SUPPLY CEEE STANDARD A ALTERNATE B e er a z z FROH GENERATOR FROM SQURCE 2 SUPPLY SOURCE 1 SUPPLY gt cod as eh TO LOAD EI E STANDARD A SOURCES SUPPLY TOP 02 BOTTOM 3 1 SME ri q F B 5 E Eus ua J FROM UTILITY FROM CEMERATOR SOURCE 1 SUPPLY SOURCE 2 SUPPLY ALTERNATE u ae E ARES eis ess APPROVED FOR CONSTRUCTION TRANSFER SWITCH ORIENTATION a amm ee oe M eee CORELEASED FOR INFORMATION 5 wa cn one aum BY DATE SoS Ta sow TA a PM062 REV 5 08 05 05 26 Thomson Technology TS 870 TRANSFER SWITCH 15 CABLE TERMINAL INFORMATION CONNECTION TIGHTNESS TERMINAL RATING In Ibs BASIC MODEL gt eR B QTY TERMINAL PER MOUNTING CABLE PHASE RANGE SCREW CLAMP TS 87xA 0100 1 14 1 0 120 50 TS 87xA 0150 1 2 4 0 120 120 TS 87xA 0200 1 6 350MCM 150 275 TS 87xA 0250 1 6 350MCM 150 275 TS 87xA 0400 2 2 0 500M2. POWER amp CONTROL A REGAL BELOIT COMPANY TS 870 AUTOMATIC TRANSFER SWITCHES INSTALLATION OPERATING amp SERVICE MANUAL 9087A 198 Street Langley BC Canada V1M 3B1 Telephone 604 888 0110 Telefax 604 888 3381 E Mail info thomsontechnology com www thomsontechnology com TS 870 TRANSFER SWITCH TABLE OF CONTENTS 1 PRODUCT REVISION HISTORY 1 2 EQUIPMENT STORAGE 1 2 1 ENVIRONMENTAL CONDITIONS 1 3 NOTES TO INSTALLER 2 3 1 UPSTREAM CIRCUIT PROTECTIVE DEVICES ELECTRICAL CONNECTIONS 2 3 2 TRANSFER SWITCHES WITH INTEGRAL OVER CURRENT PROTECTION 3 3 3 TRANSFER SWITCHES WITH MULTI TAP VOLTAGE CAPABILITY 3 3 4 SYSTEM PHASING HIGH LEG DELTA SYSTEMS 4 3 5 REMOTE START CONTACT FIELD WIRING 5 3 6 DIELECTRIC TESTING 5 3 7 INSTALLATION OF OPEN TYPE TRANSFER SWITCHES 5 4 GENERAL DESCRIPTION 5 4 1 PRODUCT MODEL CODE 7 4 2 TYPICAL COMMISSIONING PROCEDURES 8 5 GENERAL THEORY OF OPERATION 8 5 1 STANDARD AUTOMATIC TRANSFER SWITCH 8 5 2 SERVICE ENTRANCE AUTOMATIC TRANSFER SWITCH 9 5 3 TEST MODES 13 6 OVER CURRENT PROTECTION 13 6 1 STANDARD TS 870 AUTOMATIC TRANSFER SWITCH 13 6 2 OPTIONAL TS 870 AUTOMATIC TRANSFER SWITCH WITH INTEGRAL OVER CURRENT PROTECTION 13 7 GENERAL NOTES ON SERVICING TRANSFER SWITCH MECHANISM 15 8 TRANSFER SWITCH MECHANISM 100A 800A S STYLE 17 8 1 MANUAL OPERATION 17 062 REV 5 08 05 05 Thomson Technology TS 870 TRANSFER SWITCH 9 TRANSFER SWITCH M
3. corri COMMISSIONING PROCEDURES Model Series TS 870 Hold the push button for approximately 5 seconds until the LED light changes state Once the mode is initiated the engine will immediately start and the generator will transfer on load as previously described Note The generator may or may not transfer on load which is dependent on the TSC 80 configuration setting The factory default setting is for a Load Transfer plant exercise test The engine will remain operating on load until the plant exercise time delay period expires then the load will re transfer back to the utility supply following the 2 minute utility return timer The engine will be automatically re tested on load every week i e 7 days at the same time of day that the first test was initiated Refer to the TSC 80 manual for further information 18 On completion of commissioning ensure all controls are left in automatic 19 If required forward document or drawing updates to the equipment supplier if revisions are required and provide the end user with a set of marked ups to be retained on site 20 Ensure copies of manuals for the equipment are on site 21 Record and forward list of deficiencies to the appropriate parties where applicable APPENDIX THOMSON TECHNOLOGYo INSTRUCTIONS TO CHANGE SYSTEM VOLTAGE ON TS 870 SERIES TRANSFER SWITCHES WITH TSC 80 CONTROLLER PA Subsidiary of Regal Beloit Corporation gt amp CONTR
4. Note For models of transfer switch with adjustable integral over current protection trip units the over current protection must be set prior to operation The equipment will be shipped from the factory with a long time current setting of 100 of the equipment rating and maximum instantaneous short time current and time delay settings WARNING Do Not Energize this equipment until device settings have been verified to ensure proper system protection amp coordination Failure to do so may result in equipment failure Refer to Section 4 1 Product Model Code for types of integral over current protection which are supplied with the transfer switch 062 REV 5 08 05 05 14 Thomson Technology TS 870 TRANSFER SWITCH 7 GENERAL NOTES ON SERVICING TRANSFER SWITCH MECHANISM DANGER Arc Flash and Shock Hazard Will cause severe injury or death Do not open equipment until ALL power sources are disconnected This equipment must be installed and serviced only by qualified electrical personnel utilizing safe work practices and appropriate Personal Protective Equipment PPE Failure to do so may cause personal injury or death Note Refer to product drawings in sections 12 13 amp 14 for identification of Transfer Switch Mechanism style supplied with the Transfer Switch When performing any service work on the transfer mechanism it is imperative that the following be observed 7 1 To maintain mechanical i
5. As a minimum the remote engine start control field wiring shall conform to the local regulatory authority on electrical installations Field wiring of a remote start contact from a transfer switch to a control panel should conform to the following guidelines to avoid possible controller malfunction and or damage 3 5 1 Minimum 14 AWG 2 5mm wire size shall be used for distances up to 100ft 30m For distances exceeding 100 ft 30m consult Thomson Technology 3 5 2 Remote start contact wires should be run in a separate conduit 3 5 3 Avoid wiring near AC power cables to prevent pick up of induced voltages 3 5 4 An interposing relay may be required if field wiring distance is excessively long i e greater than 100 feet 30m and or if a remote contact has a resistance of greater than 5 0 ohms 3 5 5 The remote start contact must be voltage free i e dry contact The use of a powered contact will damage the transfer controller 3 6 DIELECTRIC TESTING Do not perform any high voltage dielectric testing on the transfer switch with the TSC 80 controller connected into the circuit as serious damage will occur to the controller All AC control fuses and control circuit isolation plugs connected to the TSC 80 must be removed if high voltage dielectric testing is performed on the transfer switch 3 7 INSTALLATION OF OPEN TYPE TRANSFER SWITCHES Please refer to the factory for additional information 4 GENERAL DESCRIPTION Tho
6. NORMAL OPERATION When utility supply voltage drops below a preset nominal value adjustable from 7096 to 10096 of nominal on any phase an engine start delay circuit is initiated and the transfer to utility supply signal will be removed i e contact opening Following expiry of the engine start delay period adjustable from 0 to 60 sec an engine start signal contact closure will be given Once the engine starts the transfer switch controller will monitor the generator voltage and frequency levels Once the generator voltage and frequency rises above preset values adjustable from 7096 to 9596 of nominal the engine warm up timer PM062 REV 5 08 05 05 8 Thomson Technology TS 870 TRANSFER SWITCH will be initiated Once the warm up timer expires adjustable from 0 to 60 sec the Transfer to Generator Supply signal contact closure will be given to the transfer switch mechanism The load will then transfer from the utility supply to the generator supply via the motor driven mechanism The generator will continue to supply the load until the utility supply has returned The retransfer sequence is completed as follows when the utility supply voltage is restored to above the preset values adjustable from 70 to 95 of nominal on all phases a transfer return delay circuit will be initiated Following expiry of the Utility Return Timer adjustable from 0 to 30 min the Transfer to Generator Supply signal will be removed contact ope
7. OPEN TRANSITION 2 MANUAL ELEC OP X SPECIAL 14 SAFETY STANDARDS A UL 1008 B CSA C22 2 NO 178 X NOT APPLICABLE PM062 REV 5 08 05 05 9 10 11 12 18 14 15 VOLTAGE 16 3 WIRE D 120 240 36 4 WIRE GROUNDED NEUTRAL E 120 208 F 127 220 G 120240 DELTA H 220 380 J 240 416 K 254 440 M 277 480 N 347 600 3 3 WIRE P 208 Q 220 R 240 S 380 U 416 V 480 W 600 X SPECIAL 16 CONTROLLER 1 TSC80 3 TSC 80e 7 NONE MANUAL 17 ENCLOSURE TYPE A NEMA1 ASA 61 GREY B NEMA2 ASA 61 GREY C NEMA12 ASA 61 GREY D NEMA3R SD ASA 61 GREY E NEMA3R 4 DD ASA 61 GREY F NEMA3RX 4X DD 806 STAINLESS STEEL G NONE OPEN STYLE H NEMA 3RXDD ALUMINUM ASA 61 GREY X SPECIAL 17 18 19 20 21 18 UTILITY SWITCHING DEVICE K MOLDED CASE SWITCH 100 1200 A M MOLDED CASE SWITCH C W THER MAG TRIP 100 200A N MOLDED CASE SWITCH C W ELECTRONIC TRIP 250 1200A P MOLDED CASE SWITCH C W ELECTRONIC amp GF TRIP 250 1200A 19 GENERATOR SWITCHING DEVICE K MOLDED CASE SWITCH 100 1200 A M MOLDED CASE SWITCH C W THER MAG TRIP 100 200A N MOLDED CASE SWITCH C W ELECTRONIC TRIP 250 1200A P MOLDED CASE SWITCH C W ELECTRONIC amp GF TRIP 250 1200A 20 POWER CONNECTIONS A STANDARD X SPECIAL 21 ATS CONNECTION CONFIGURATION STANDARD B ALTERNATE B 1000 1200A ALTERNATE 1000 1200A D ALTERN
8. The transfer switch motor utilizes the power from the source to which the electrical load is being transferred The mechanism provides a positive mechanical interlock to prevent both power switching units from being closed at the same time which allows an open transition break before make transfer sequence The TSC 80 transfer controller provides a standard neutral position delay timer to allow adequate voltage decay during transfer operation to prevent out of phase transfers Note For the purpose of this manual the following standard nomenclature is utilized e Utility to indicate the source of primary power e Generator to indicate the source of standby power e Power switching device to indicate the transfer switch power switching device PM062 REV 5 08 05 05 6 Thomson Technology TS 870 TRANSFER SWITCH 4 34 PRODUCT MODEL CODE The type of TS 870 series transfer switch supplied is identified by way of a 21 digit product code which appears on the equipment rating plate MODEL on the door of the transfer switch and on the transfer switch drawings The model code structure and definitions are as follows mis 1 3 SERIES TS TRANSFER SWITCH 4 amp 5 MODEL 87 870 SWITCH 6 POLES 2 2POLE 3 3 POLE 4 4 POLE 7 CONFIGURATION TYPE A ATS X SPECIAL 8 11 AMPERAGE 0100 0150 0200 0250 0400 0600 0800 1000 1200 12 APPLICATION A STANDARD B SERVICE ENTRANCE X SPECIAL 13 OPERATION TYPE 1
9. may cause personal injury or death Note An optional hand held plug in Service Display Module SDM is available for the TSC 80 Transfer Controller The SDM module provides an LCD screen to display additional detailed information on the operation and settings of the TSC 80 controller for simplified servicing trouble shooting procedures For detailed information refer to the separate SDM module instruction manual 65 Possible Causes Will not re transfer to utility source Isolation plug out upon restoration Utility disconnect switch is in the de energized position Service Entrance Rated ATS Switch to the Energized position A test mode has been activated check TSC 80 status LED Utility voltage is below the pre programmed limits check utility source for adequate voltage A loose control connection Faulty motor limit switch Defective motor TSC 80 has incorrect voltage configuration jumper setting for correct system voltage Defective TSC 80 controller verify output signals with circuit board mounted diagnostic LED s TSC 80 has Transfer Fail alarm activated as indicated by flashing Load on Utility LED Determine cause of alarm and rectify before TSC 80 is reset Will not transfer to generator source Isolation plug out upon failure of utility source Generator set not producing enough voltage frequency or output circuit breaker open TSC 80 has incorrect voltage configuration jumper setting for correct system voltag
10. to prevent condensation 2 1 2 EQUIPMENT OPERATING The transfer switch shall be operated in an environment with a temperature range not exceeding 5 to 122 Fahrenheit 15 to 50 Celsius and a humidity range not exceeding 5 95 non condensing 3 NOTES TO INSTALLER DANGER Arc Flash and Shock Hazard Will cause severe injury or death Do not open equipment until ALL power sources are disconnected This equipment must be installed and serviced only by qualified electrical personnel utilizing safe work practices and appropriate Personal Protective Equipment PPE Failure to do so may cause personal injury or death 3 1 UPSTREAM CIRCUIT PROTECTIVE DEVICES ELECTRICAL CONNECTIONS To ensure satisfactory installation of this equipment be sure to observe Cable Terminal Information regarding power cable connection tightness and Requirements for Upstream Circuit Protective Devices located in this manual All mechanical and electrical connections must be checked for tightness prior to placing this equipment in service to ensure proper operation and to validate applicable warranty coverage PM062 REV 5 08 05 05 2 Thomson Technology TS 870 TRANSFER SWITCH 3 2 TRANSFER SWITCHES WITH INTEGRAL OVER CURRENT PROTECTION For models of transfer switch with integral over current protection the over current protection must be set prior to operation The equipment will be shipped from the factory with a long time cur
11. to the transfer switch using a suitable tool and opening the door lock with the key 2 Visually inspect the actual position of the transfer switch mechanism f the position of the transfer switch mechanism is clearly in the neutral position and the load bus is de energized on all phases the service has been successfully disconnected Proceed to Step 4 If the position of the transfer switch mechanism is not in the neutral position or the load bus is energized further procedures are required Note If the position of the transfer switch mechanism is clearly in the neutral position the service disconnected pilot light may not have illuminated due to the following reasons a Utility and generator supply voltages are not present the pilot light requires AC supply voltage to be present b The pilot light may be burnt out The bulb should be immediately replaced with a suitably rated bulb c Failure of one or more of the sensing logic contacts qualified service technician is required to trouble shoot this specific condition Switch the utility control circuit isolation switch to the de energized position PM062 REV 5 08 05 05 11 Thomson Technology TS 870 TRANSFER SWITCH to remove utility control power To isolate the generator supply remove the control circuit isolation plug Note The AC power conductors will still remain energized Once all the control circuits are de energized and isolated the Service Disconnected pilo
12. ATE D 1000 1200A REFER TO DRAWING 870 100 NOTES 1 MULTI VOLTAGE CAPABLE FOR 50 Hz APPLICATION STANDARD ENCLOSURE RATING IS AT 800A AND ABOVE AND N4 AT 600A AND BELOW ONLY AVAILABLE 800A AND ABOVE Thomson Technology TS 870 TRANSFER SWITCH 4 2 TYPICAL COMMISSIONING PROCEDURES CAUTION Commissioning procedures must be performed by qualified personnel only Ensure the Automatic Transfer Switch ATS Control Circuit Isolation Plug is disconnected prior to energizing the supply sources Manually place the transfer switch mechanism in the neutral position prior to applying power Failure to do so may result in equipment failure or personal injury Note The TYPICAL AUTOMATIC TRANSFER SWITCH COMMISSIONING PROCEDURES MODEL SERIES TS 870 attached as Appendix A is provided for general information only pertaining to typical site installations and applications Contact Thomson Technology for further information as may be required Note An optional hand held plug in Service Display Module SDM is available for the TSC 80 Transfer Controller The SDM module provides an LCD screen to display additional detailed information on the operation and settings of the TSC 80 controller for simplified servicing trouble shooting procedures For detailed information refer to the separate SDM module instruction manual 65 5 GENERAL THEORY OF OPERATION 5 1 STANDARD AUTOMATIC TRANSFER SWITCH 5 1 1
13. ATED ON INSIDE OF ENCLOSURE DOOR FROM GENERATOR FROM UTILITY OWER amp CONTROL REGAL BELOIT COMPANY SOURCE 2 SOURCE 1 SUPPLY gurRAL SUPPLY BUS OC OB OA N OB UTILITY LIMIT SWITCH LIMIT SWITCH OPERATING HANDLE DRIVE HUB INSERT LOCATION ASSEMBLY __ GEAR MOTOR OPERATING HANDLE LOCATED STORAGE UNDERNEATH OPERATING OPERATING ARM 1 OF 2 ARM 2 OF 2 GSD USD GENERATOR UTILITY SWITCHING SWITCHING DEVICE DEVICE NEUTRAL BLOCK CONTROL TERMINAL BLOCK MOUNTED ON ENCLOSURE SIDE WALL N A B C TO LOAD DRAWINGS AND OR OTHER TECHNICAL INFORMATION SUPPLIED BY THOMSON TECHNOLOGY AS A PART OF A SALE OF EQUIPMENT ARE FOR THE PURCHASER S USE UNLESS SPECIFICALLY AGREED TO OTHERWISE AS A PART CUSTOMER _ FRONT VIEW TYPICAL THOMSON TECHNOLOGY Za j ORDER No WORK ORDER No THOMSON TECHNOLOGY 3 POLE 400A S STYLE TRANSFER MECHANISM FRONT COVER REMOVED mame v DRAWING FILE No SHEET 800E009 11 THE INFORMATION ON THIS DRAWING IS THE PROPERTY OF THOMSON TECHNOLOGY IS NOT TO BE USED DETRIMENTALLY TO OUR INTERESTS PM062 REV 5 08 05 05 24 FRONT VIEW TYPICAL 3 POLE 400A 800A S Style TRANSFER Thomson Technology TS 870 TRANSFER SWITCH 13 FRONT VIEW TYPICAL 3 4 POLE 1000A 1200A T Style TRANSFER MECHANISM DRAWINGS AND OR
14. CM 72 275 TS 87xA 0600 2 2 0 500MCM 72 275 TS 87xA 0800 3 2 0 500MCM 110 375 TS 87xA 1200 4 4 0 500MCM 375 375 1 Optional terminal ratings are available in some models Consult Thomson Technology 2 For other model types not shown contact Thomson Technology for further information 16 REQUIREMENTS FOR UPSTREAM CIRCUIT PROTECTIVE DEVICES 16 1 WITHSTAND CURRENT RATINGS ALL MODELS WITHOUT INTEGRAL OVERCURRENT PROTECTION OPTION RATED WITHSTAND CURRENT RATING AMPS RMS BASIC MODEL MAX CURRENT With Upstream Circuit Breaker Protection With Upstream Fuse Protection VOLTAGE A 240V 480V 600V Up to 600V Fuse Type TS87xA 0100 65 000 25 000 18 000 100 000 T J TS87xA 0150 E SUE 65 000 25 000 18 000 100 000 T J TS87xA 0250 eo 65 000 35 000 25 000 100 000 T J TS87xA 0400 wo 65 000 50 000 35 000 100 000 T J TS87xA 0600 amp o amp 65 000 50 000 35 000 100 000 T J TS87xA 0800 65 000 50 000 35 000 100 000 Consult Factory TS87A 1000 1200 1000 1200 65 000 50 000 42 000 100 000 Consult Factory Standard ratings only are shown Consult Thomson Technology for versions with higher withstand current ratings 2 For other model types not shown contact Thomson Technology for further information Fuse ratings shown are maximum allowable to permit use of the transfer switch in application with available fault current not exceeding that shown Consideration must be given to f
15. ECHANISM 1000A 1200A T STYLE 19 9 1 MANUAL OPERATION 19 10 RECOMMENDED MAINTENANCE 21 11 FRONT VIEW TYPICAL 3 4 POLE 100A 250A S STYLE TRANSFER MECHANISM 23 12 FRONT VIEW TYPICAL 3 POLE 400A 800A S STYLE TRANSFER MECHANISM MECHANISM FRONT COVER REMOVED 24 13 FRONT VIEW TYPICAL 3 4 POLE 1000A 1200A T STYLE TRANSFER MECHANISM 25 14 CONNECTION CONFIGURATION OPTIONS 26 15 CABLE TERMINAL INFORMATION 27 16 REQUIREMENTS FOR UPSTREAM CIRCUIT PROTECTIVE DEVICES 27 16 1 WITHSTAND CURRENT RATINGS ALL MODELS WITHOUT INTEGRAL OVERCURRENT PROTECTION OPTION 27 16 2 INTERRUPTING CAPACITY CURRENT RATINGS ALL MODELS WITH INTEGRAL OVERCURRENT PROTECTION OPTION 28 17 GROUND FAULT SITE TEST REQUIREMENTS 28 17 1 PERFORMANCE TEST 28 18 TROUBLESHOOTING 30 19 REPLACEMENT PARTS 32 20 PRODUCT RETURN POLICY 33 21 NOTES 34 22 PERFORMANCE TEST FORM 35 062 REV 5 08 05 05 Thomson Technology TS 870 TRANSFER SWITCH 1 PRODUCT REVISION HISTORY The following information provides an historical summary of changes made to this product since the original release Operating amp Service Manual Version Rev 0 04 11 19 Original release Rev 1 05 03 08 Changes to incorporate reversing style ATS Motor for 100 250A transfer switches Rev 2 05 05 26 Revisions to Section 8 and Section 18 Rev 3 06 05 08 Revisions to Section 15 Rev 4 07 07 31 Changes to Incorporate new S Style 400A mechanism Rev 5 08 03 05 Chan
16. LTAGE OID 240V JUMPERS 50HZ CONNECT TO Phase APPROPRIATE DIDINo Xfer enn nad DIDISecure JP5 44 TB7 Gen Warm Figure 1 Figure 2 9087 198 Street Langley B C Canada V1M 3B1 e Telephone 604 888 0110 e Telefax 604 888 3370
17. Must set configuration Jumper prior Controller Board c w lexan to use Refer to TSC 80 Instruction Manual TSC 80 Lexan Faceplate 005336 Contact Thomson Technology Service Dept for installation procedures TSC 80 Rear Cover 005707 Limit Switch 1 n o 1 n c all 004929 Must install and adjust for proper ATS Models operation before use Contact Thomson Technology Service Dept for installation adjustment procedures Transfer Switch Motor 007701 Motor is supplied with gear box 062 REV 5 08 05 05 32 Thomson Technology TS 870 TRANSFER SWITCH Component Description Thomson Technology Comments Part Number 100A 250A S Style assembly Contact Thomson Mechanism 120V 20 watt 1 PH Technology Service Department for installation procedures Transfer Switch Motor 007961 Motor is supplied with gear box 400 800 S Style assembly Contact Thomson Mechanism 120V 30 watt 1 PH Technology Service Department for installation procedures Transfer Switch Motor 001075 Motor is supplied with gear box 1200A T Style Mechanism assembly Contact Thomson 120V 1 10 hp 1 PH Technology Service Department for installation procedures 120VAC Auxiliary Plug in 001278 Must ensure coil voltage is correct Relay 11 pin Square UX GX 120VAC Auxiliary Plug in Timer 001515 Must ensure coil voltage is correct 100VA Control Transformer 002159 For other parts not listed please contact Thomson Technology 20
18. OL DANGER Arc Flash and Shock Hazard Will cause severe injury or death Do not open equipment until ALL power sources are disconnected This equipment must be installed and serviced only by qualified electrical personnel utilizing safe work practices and appropriate Personal Protective Equipment PPE Failure to do so may cause personal injury or death 1 Ensure all power sources are de energized prior to opening the transfer switch enclosure door 2 Disconnect Control Circuit Isolation Plug 3 Change voltage transformer primary taps settings to match new system voltage on all potential transformers Refer to wiring schematic diagram Figure 1 Ensure all electrical connections are tight 4 Remove rear cover on door mounted TSC 80 transfer controller e Change voltage jumper setting to desired system voltage Refer to Figure 2 Note 208V systems do not require a jumper on any pins Re install rear cover for TSC 80 transfer controller Record new programmed voltage on calibration label on TSC 80 rear cover Re connect Control Circuit Isolation Plug 9 Remove all tools and close transfer switch enclosure door 9087A 198 Street Langley B C Canada V1M 3B1 e Telephone 604 888 0110 e Telefax 604 888 3370 APPENDIX THOMSON TECHNOLOGYo INSTRUCTIONS TO CHANGE SYSTEM VOLTAGE ON TS 870 SERIES TRANSFER SWITCHES WITH TSC 80 CONTROLLER TSC 80 Printed Circuit Board 600V SYSTEM a VO
19. OTHER TECHNIOAL INFORMATION SUPPLIED BY THOMSON TECHNOLOGY AS A PART OF SALE EQUIPMENT FOR THE PURCHASER S USE SOLELY IN CONJUNCTION THAT EQUIPMENT UNLESS SPECIFICALLY AGREED TD OTHERWISE AS PART OF THE TERMS OF SALE FROM UTIUTY SUPPLY NOTE 3 PHASE CONNECTION ISOLATION SHOWN FOR SINGLE PLUG PHASE CONNECT amp B ONLY CONFIGURATION SL SHOWN REFER TO 4 007450 051 FOR VARIATIONS PER JOB REQUIREMENTS E _ i UTILITY LIMIT g gt g gt PEUN al apor OPERATION HANDLE GENERATOR POWER SWMTCHIMG DEVICE TERMINAL BLOCK FROM GENERATOR SUPPLY CUSTOMER THOMSON TECHNOLOGY FRONT VIEW TYPICAL FUST DROER Na WOR ORDER 3 POLE 1000A 1200A Fee ee E TRANSFER MECHANISM PSE ale DRAMNG FILE No SHEET O THE RANTA CH THE CRAIG F THE PROPERTY OF THCRKCON IT EROT TO I DEIFAGINT LLYTO CUR INTERIRTS PM062 REV 5 08 05 05 25 Thomson Technology TS 870 TRANSFER SWITCH 14 CONNECTION CONFIGURATION OPTIONS
20. PRODUCT RETURN POLICY Thomson Technology uses a Return Material Authorization RMA process Please complete the Return Authorization Request Form available on our web page for return of goods warranty replacement repair of defective parts or credit consideration and fax to the appropriate department Returns only Sales Fax 604 888 5606 Warranty replacement Warranty Repair Service Fax 604 888 3370 Upon receipt of your request Thomson Technology will confirm with a copy of our Order Acknowledgement via fax advising the RMA number which should be used to tag the defective controller prior to shipment PM062 REV 5 08 05 05 33 Thomson Technology TS 870 TRANSFER SWITCH 21 NOTES 062 REV 5 08 05 05 34 Thomson Technology TS 870 TRANSFER SWITCH 22 PERFORMANCE TEST FORM This form should be retained by those in charge of the building electrical installation in order to be available to the authority having jurisdiction Personnel Tests performed Interconnection evaluation Grounding point evaluation Fault current test Ground fault settings Simulated current Results 062 REV 5 08 05 05 35 Thomson Technology APPENDIX THOMSON TECHNOLOGYo TYPICAL AUTOMATIC TRANSFER SWITCH COMMISSIONING PROCEDURES Model Series TS 870 Note The following commissioning procedures are provided for general information only pertaining to typical site installat
21. S isolation plug is disconnected prior to application of voltage of the supply sources Energize the utility supply and the generator supply sources and verify these meet the correct voltage phasing and phase rotation for the ATS and system Once these have been confirmed to be correct de energize both sources before installing the isolation plug Once the isolation plug is connected the ATS and system load may be energized with utility power once the site electrical contractor and or owner as required give authorization to proceed If Utility power is within nominal limits the ATS should transfer to the utility source To determine correct operation observe the following on the TSC 80 faceplate Utility Source green LED is ON Green LED above mimic bus for the Utility source is ON APPENDIX THOMSON TECHNOLOGYo TYPICAL AUTOMATIC TRANSFER SWITCH Z rowers corri COMMISSIONING PROCEDURES Model Series TS 870 iii Green Load LED is ON 10 To verify all LED s are operational perform a LAMP TEST operation lamp test is initiated by pressing and holding the 2 push buttons on the TSC 80 faceplate simultaneously ON until all the LED s change state 11 Prior to operating the generator ensure it is ready to be energized and the site electrical contractor and or owner as required give authorization to proceed In preparation for operation turn the generator s engine control swi
22. TCH 5 Attach a safety lockout padlock to the service disconnect control switch to prevent unauthorized change in operating condition and verify transfer switch door is locked closed 6 To reenergize the load remove the padlock s from the service disconnect control switch and move the switch to the Energized position The transfer switch will immediately return to the utility or generator supply if within normal operating limits 5 3 TEST MODES The transfer switch may be tested utilizing the TSC 80 controller push buttons or optional four position test switch A simulated utility power failure condition will be activated when the test mode is selected The transfer switch will operate as per a normal utility power fail condition The transfer switch will remain on generator supply until the test mode is terminated lt will then immediately transfer back to the utility supply and then continue to operate the generator set for its cooldown period then stop Note The transfer switch will automatically return to the utility supply if within nominal limits if the generator set fails while in the test mode 6 OVER CURRENT PROTECTION Thomson Technology TS 870 series of Automatic Transfer Switches may be supplied with or without integral over current protection as described below 6 1 STANDARD TS 870 AUTOMATIC TRANSFER SWITCH The standard TS 870 Automatic Transfer Switch does not contain any integral over current protection and req
23. be re connected The drive system will operate the transfer switch to the required position See manual operation instruction on front of transfer switch mechanism 062 REV 5 08 05 05 18 Thomson Technology TS 870 TRANSFER SWITCH 9 TRANSFER SWITCH MECHANISM 1000A 1200A T Style The transfer mechanism consists primarily of the transfer motor a hub assembly two operating rods and two power switching device operating yokes The reversible transfer motor drives the hub assembly which in turn moves the operating rods that are connected to the power switching device operating yokes The power switching device toggles are set inside the yokes and are moved by them There are two limit switches which are contacted by the operating yokes one for each direction of travel which disconnect the transfer motor power supply when the power switching devices have attained full travel The adjuster screws located on the yokes determine the operating point of these limit switches Should adjustment be required it is advisable to consult Thomson Technology for further information The transfer switch mechanism has three possible positions a Utility power switching device closed and generator power switching device open b Generator power switching device closed and utility power switching device open d Both utility and generator power switching devices open but NEVER both utility and generator power switching devices closed at the sam
24. by the responsible party As indicated in the NEC the maximum setting of the ground fault protection shall be 1200 amps and the maximum time delay shall be 1 second for ground faults equal to or greater than 3000 amps The inspection authority should be contacted to confirm actual test requirements as these may vary by region or local code requirements PM062 REV 5 08 05 05 28 Thomson Technology TS 870 TRANSFER SWITCH The interconnected system shall be evaluated to ensure compliance with the appropriate schematic drawings The proper location of sensors and power cabling shall be determined The grounding points of the system shall be verified to determine that ground paths do not exist that would bypass the sensors The use of high voltage testers and resistance bridges may be required A simulated fault current is to be generated by a coil around the sensors The reaction of the circuit interrupting device is to be observed for correct response The results of the test are to be recorded on the test form provided 062 REV 5 08 05 05 29 Thomson Technology TS 870 TRANSFER SWITCH 18 TROUBLESHOOTING DANGER Arc Flash and Shock Hazard Will cause severe injury or death Do not open equipment until ALL power sources are disconnected This equipment must be installed and serviced only by qualified electrical personnel utilizing safe work practices and appropriate Personal Protective Equipment PPE Failure to do so
25. cessary apply medium weight SAE 20 oil sparingly 10 8 Transfer Mechanism 1000A 1200A T Style yoke pivot bearings and rod ends are permanently lubricated and do not require maintenance 10 9 Transfer Mechanism 100A 800A S Style lubrication of drive hub operator arm interface Use high viscosity moly lubricant PM062 REV 5 08 05 05 21 Thomson Technology TS 870 TRANSFER SWITCH 10 10 The motor and gearbox on all Transfer Mechanism styles are permanently lubricated and should not require attention under normal operating circumstances 062 REV 5 08 05 05 22 Thomson Technology TS 870 TRANSFER SWITCH 11 FRONT VIEW TYPICAL 3 4 POLE 100A 250A S Style TRANSFER MECHANISM NOTE 1 3 PHASE CONNECTION SHOWN FOR SINGLE PHASE CONNECT TO A amp B ONLY NOTE 2 CONTROL CIRCUIT ISOLATION PLUG IS LOCATED ON INSIDE OF ENCLOSURE DOOR FROM GENERATOR FROM UTILITY SOURCE 2 SOURCE 1 SUPPLY SUPPLY 0 9B GA N N A 9C lem crim OPERATING HANDLE STORAGE GSD USD GENERATOR UTILITY SWITCHING SWITCHING DEVICE DEVICE NEUTRAL BLOCK CONTROL TERMINAL BLOCK MOUNTED ON ENCLOSURE SIDE WALL 9C N TO LOAD PM062 REV 5 08 05 05 23 Thomson Technology TS 870 TRANSFER SWITCH 12 MECHANISM Mechanism Front Cover Removed NOTE 1 3 PHASE CONNECTION SHOWN FOR SINGLE PHASE CONNECT TO A amp B ONLY NOTE 2 CONTROL CIRCUIT ISOLATION PLUG IS LOC
26. d serviced only by qualified electrical personnel utilizing safe work practices and appropriate Personal Protective Equipment PPE Failure to do so may cause personal injury or death 10 1 DO NOT perform dielectric tests on the equipment with the control components in the circuit 10 2 Check if control components are tight in sockets 10 3 Periodically inspect all terminals load line and control for tightness Re torque all bolts nuts and other hardware Clean or replace any contact surfaces which are dirty corroded or pitted 10 4 Transfer switches should be in a clean dry and moderately warm location If signs of moisture are present and clean transfer switch If there is corrosion try to clean it off If cleaning is unsuitable replace the corroded parts Should dust and or debris gather on the transfer switch brush vacuum or wipe clean DO NOT blow dirt into power switching devices 10 5 Test the transfer switch operation While the unit is exercising check for freedom of movement hidden dirt corrosion or any excessive wear on the mechanical operating parts Ensure that the power switching device travel is correct 10 6 Verify all program settings on the TSC 80 controller as per the TSC 80 component calibration label on the rear cover of the controller 10 7 Transfer Mechanism 1000A 1200A T Style ensure that the manual handle moves freely on the hub when the lock pin is disengaged If lubrication is ne
27. e Warm up time delay function has not timed out yet verify TSC 80 timer setting A loose control connection Faulty motor limit switch Defective motor PM062 REV 5 08 05 05 30 Thomson Technology TS 870 TRANSFER SWITCH Defective TSC 80 controller verify output signals with circuit board mounted diagnostic LED s TSC 80 has Transfer Fail alarm activated as indicated by flashing Load on Generator LED Determine cause of alarm and rectify before TSC 80 is reset Transfer to generator source without a A test mode has been activated check TSC 80 status LED power failure in the utility source Utility supply voltage is slightly below voltage sensing setpoints Verify TSC 80 has correct voltage configuration jumper setting for system voltage Defective TSC 80 controller verify output signals with circuit board mounted diagnostic LED s Utility power switching device has tripped due to an over current condition and TSC 80 Transfer Fail alarm activated as indicated by flashing Load on Utility LED Determine cause of alarm and rectify before TSC 80 is reset Generator does not start up or stop Verify remote engine control panel is set for automatic mode when it should No time delay when there should be Verify time delay setting of the TSC 80 controller Power is not available at the load The power switching device s over current protection unit has terminals but the utility or generator opened due to a fau
28. e time 9 1 MANUAL OPERATION DANGER Arc Flash and Shock Hazard Will cause severe injury or death Do not open equipment until ALL power sources are disconnected This equipment must be installed and serviced only by qualified electrical personnel utilizing safe work practices and appropriate Personal Protective Equipment PPE Failure to do so may cause personal injury or death Isolate the transfer switch from all sources of supply before opening the enclosure for manual operation With all sources of power de energized to the transfer switch the control circuit isolation plug can be unplugged to prevent subsequent operation To operate manually pull the release plunger and operate the handle in the desired direction Automatic operation may be regained by replacing the isolation plug With all sources of power de energized to the transfer switch the control circuit isolation plug can be re PM062 REV 5 08 05 05 19 Thomson Technology TS 870 TRANSFER SWITCH connected The drive system is self engaging and will operate the transfer switch to the required position See manual operation instruction on front of transfer switch mechanism 062 REV 5 08 05 05 20 Thomson Technology TS 870 TRANSFER SWITCH 10 RECOMMENDED MAINTENANCE DANGER Arc Flash and Shock Hazard Will cause severe injury or death Do not open equipment until ALL power sources are disconnected This equipment must be installed an
29. f the correct nominal system value which matches the ATS drawings and the ATS equipment label ratings If the system voltage is correct proceed to step 3 If system voltage is incorrect for the rating of the ATS supplied proceed to step 2 CAUTION FAILURE TO RE CONFIGURE ATS VOLTAGE TO MATCH SYSTEM VOLTAGE WILL RESULT IN EQUIPMENT MALFUNCTION AND DAMAGE NOTE The factory default system voltage setting for multi voltage TS 840 870 transfer switches is 480VAC which will be indicated by a letter Y in the voltage code as shown on the ATS model code e g TS 873A0250A1 AY and on a warning tag attached to the isolation plug 2 To re configure the ATS for the correct system voltage prior to energization refer to Appendix B as attached For further information refer to the TSC 80 controller manual supplied with the transfer switch APPENDIX THOMSON TECHNOLOGYo TYPICAL AUTOMATIC TRANSFER SWITCH corri COMMISSIONING PROCEDURES Model Series TS 870 For 240V High Leg Delta systems refer to the ATS instruction manual for correct phasing required and re configuring procedures CAUTION FAILURE TO OBTAIN THE CORRECT ATS PHASING WILL RESULT IN EQUIPMENT MALFUNCTION AND DAMAGE Confirm cable size is correct for the lugs supplied in the transfer switch line and load Confirm the cables were meggered by the electrical contractor to ensure no cross phase connections or conduction to ground Confirm cable lugs are
30. g in fixtures Only qualified personnel should undertake Service work Failure to correctly maintain an automatic transfer switch may present a hazard to life and equipment Full operational testing must be done prior to placing a transfer switch in service subsequent to any maintenance or repair Any service work involving electrical components requires high potential testing to ensure that required insulation levels have been maintained 062 REV 5 08 05 05 16 Thomson Technology TS 870 TRANSFER SWITCH 8 TRANSFER SWITCH MECHANISM 100 800 S Style The transfer mechanism consists primarily of the transfer gear motor a drive hub assembly and two power switching device operating arms The reversible transfer gear motor drives the drive hub assembly which in turn moves the power switching device operating arms The power switching device toggles are set inside the operating arm slots and are moved by them There are two limit switches which are contacted by the operating arms one for each power switching device which disconnect the transfer motor power supply when the power switching devices have attained full travel Should limit switch adjustment be required it is advisable to consult Thomson Technology for further information The transfer switch mechanism has three possible positions a Utility power switching device closed and generator power switching device open b Generator power switching device closed and utility
31. ges to Incorporate new S Style mechanism 100A 150A 200A 250A 600A 800A Contact Thomson Technology to obtain applicable instruction manuals or if in doubt about any matter relating to installation operation or maintenance Soft copy of the most current version is available at www thomsontechnology com NOTE All information contained in this manual is for reference only and is subject to change without notice 2 EQUIPMENT STORAGE The following procedures are required for correct storage of the transfer switch prior to installation 2 1 ENVIRONMENTAL CONDITIONS CAUTION Failure to store and operate equipment under the specified environmental conditions may cause equipment damage and void warranty 2 1 1 EQUIPMENT STORAGE The transfer switch shall be stored in an environment with a temperature range not exceeding 4 to 158 Fahrenheit 20 to 70 Celsius and a humidity range not exceeding 596 9596 non condensing Before storing unpack sufficiently to check for concealed damage If concealed damage is found notify the ATS supplier and the Carrier immediately Repack with the original or equivalent packing materials Protect from physical damage Do not stack Store indoors in a clean dry well 062 REV 5 08 05 05 1 Thomson Technology TS 870 TRANSFER SWITCH ventilated area free of corrosive agents including fumes salt and concrete cement dust Apply heat as necessary
32. gy TS 870 TRANSFER SWITCH the load to the generator supply The utility source will be locked out and the load will remain on the generator supply until the TSC 80 alarm signal is manually reset Refer to the TSC 80 Instruction Manual for further details on Transfer Fail operation Should the generator power switching device trip open due to an over current condition TSC 80 transfer controller will initiate transfer of the load to the utility supply The generator source will be locked out and the load will remain on the utility supply until the TSC 80 alarm signal is manually reset 5 2 3 SERVICE DISCONNECT PROCEDURE To perform a service disconnect i e to disconnect the utility and generator supplies the following procedure is required 1 Move the Service Disconnect control switch located on the door of the transfer switch to the Disconnected position 2 Verify that the Service Disconnected pilot light is illuminated f the Light is illuminated the service has been successfully disconnected and it is safe to perform any maintenance procedures as required In this condition the transfer switch is in the neutral position with both utility and generator transfer power switching devices open The transfer switch will remain in this condition regardless of condition of the utility and generator supplies i e if the utility power fails the generator will not receive a start signal nor will the transfer switch move to the ge
33. ing the 2 minute utility return delay period Note the utility return delay timer will only begin timing if the utility voltage is above 85 nominal on all phases Once the Generator power switching device opens the transfer switch mechanism will pause in the neutral position for the 3 second neutral delay period then the mechanism will complete the transfer and close the Utility power switching device to return the load to the Utility source Once the load has transferred onto the utility source the engine will continue to run for the 2 minute cool down time delay period and will then it will automatically stop 14 Perform a power outage test by opening the upstream utility feeder breaker The TSC 80 controller Utility supply LED lights will de energize the generator set will start after the 3 second engine start delay has expired The generator should transfer on load as described in item 12 above 15 Return the transfer switch to utility power by re closing the upstream utility breaker The load should re transfer back to the utility supply and the engine should stop as described in item 13 above 16 Repeat tests 12 through 14 two or more times to ensure correct operation 17 Automatic Plant Exercise Operation OPTIONAL If an automatic weekly plant exercise feature is desired press the GENERATOR EXERCISE Mode push button on the TSC 80 faceplate APPENDIX THOMSON TECHNOLOGYo TYPICAL AUTOMATIC TRANSFER SWITCH
34. ions and applications Contact the equipment supplier for further information as may be required DANGER Arc Flash and Shock Hazard Will cause severe injury or death Do not open equipment until ALL power sources are disconnected This equipment must be installed and serviced only by qualified electrical personnel utilizing safe work practices and appropriate Personal Protective Equipment PPE Failure to do so may cause personal injury or death CAUTION Commissioning procedures must be performed by qualified personnel only Ensure the Automatic Transfer Switch ATS Control Isolation Plug is disconnected prior to energizing the supply sources Manually place the transfer switch mechanism in the neutral position by opening both Utility and Generator Power Switching devices prior to applying power NOTE An optional hand held plug in Service Display Module SDM is available for the TSC 80 Transfer Controller The SDM module provides an LCD screen to display additional detailed information on the operation and settings of the TSC 80 controller for simplified servicing trouble shooting procedures For detailed information refer to the separate SDM module instruction manual 65 Pre Commissioning Checks Prior to Commissioning Agent On Site to allow loads to be supplied prior to final commissioning 1 Verify the system voltage of both sources i e generator and utility to be applied to the transfer switch are o
35. lt on the system Correct the fault and power switching device appears to be manually reset the power switching device in the transfer closed to a live source switch by moving it off and then on again with the manual operating handle Limit switch incorrectly adjusted The transfer switch has completed a Limit switch failure or improper adjustment has failed to transfer but the motor has overheated and disconnect motor the internal thermal protector has opened Binding or jamming of the transfer mechanism 062 REV 5 08 05 05 31 Thomson Technology TS 870 TRANSFER SWITCH NOTE There are no user serviceable components located on the TSC 80 printed circuit board If the TSC 80 controller is deemed to be defective it must be returned to the Thomson Technology Factory for repair or replacement Please refer to Product Return Policy section of this manual further information on product return procedures required 19 REPLACEMENT PARTS Replacement parts are available for the transfer switch as follows NOTE When ordering replacement parts please provide the following information Transfer Switch Model code e g TS 873AA0200AS Transfer Switch Serial Number e g W 022345 The above information can be found on the transfer switch equipment rating plate located on the outside of the ATS door Component Description Thomsen 1600 0 08 Comments Part Number TSC 80 Service Replacement TSC80SR
36. mson Technology TS 870 series of Automatic Transfer Switches employ two mechanically interlocked enclosed contact power switching units and a microprocessor based controller to automatically transfer system load to a generator supply in the event of a utility supply failure PM062 REV 5 08 05 05 5 Thomson Technology TS 870 TRANSFER SWITCH System load is then automatically re transferred back to the utility supply following restoration of the utility power source to within normal operating limits The standard TS 870 series Automatic Transfer Switch is rated for 100 system load and requires upstream over current protection The TS 870 Automatic Transfer Switch may be supplied with optional integral over current protection within the enclosed contact power switching units for applications such as Service Entrance Rated equipment Refer to Section 6 of this manual for detailed information on over current protection The TS 870 series transfer switches use a type TSC 80 microprocessor based controller which provides all necessary control functions for fully automatic operation The TSC 80 controller is mounted on the door of the transfer switch enclosure and operating status is shown via LED lights For further information on the TSC 80 Transfer Controller refer to separate instruction manual PM063 The power switching devices used for the Utility and Generator sources are operated by an electrically driven motor mechanism in the transfer switch
37. nerator position NOTE f the Service Disconnect Light is not illuminated additional procedures are required refer to the following procedure 5 2 4 3 Attach safety lockout padlock to the Service Disconnect control switch to prevent unauthorized change in operating condition and verify transfer switch door is locked closed If the door is not locked turn and remove door key WARNING Close and lock the transfer switch enclosure door before connecting power sources 4 To reenergize the load remove the padlock s from the service disconnect control switch and move the switch to the energized position The transfer PM062 REV 5 08 05 05 10 Thomson Technology TS 870 TRANSFER SWITCH switch will immediately return to the utility or generator supply if within normal operating limits 5 2 4 ADDITIONAL PROCEDURES If the Service Disconnected pilot light is not illuminated the service will not have been successfully disconnected and therefore it is not safe to perform any maintenance until the following additional procedures are performed DANGER Arc Flash and Shock Hazard Will cause severe injury or death Do not open equipment until ALL power sources are disconnected This equipment must be installed and serviced only by qualified electrical personnel utilizing safe work practices and appropriate Personal Protective Equipment PPE Failure to do so may cause personal injury or death 1 Open the door
38. ning then the Transfer to Utility Supply signal contact closure will be given to the transfer switch mechanism The load will then retransfer the load from the generator supply back to the utility supply Note A neutral delay timer circuit will delay the transfer sequence in the neutral position i e both power switching devices open until the neutral delay time period expires adjustable from 0 to 60 seconds An engine cooldown timer circuit will be initiated once the load is transferred from the generator supply Following expiry of the cooldown delay period adjustable from 0 to 30 minutes the engine start signal will be removed contact opening to initiate stopping of the generator set 5 2 SERVICE ENTRANCE AUTOMATIC TRANSFER SWITCH Note This applies only to service entrance transfer switches 5 2 1 NORMAL OPERATION Under normal conditions the load is energized from the utility supply through the closed utility transfer power switching device If the utility power fails the generator will start and the load will be re energized via the closed generator transfer power switching device In the normal operating mode the Service Disconnect switch shall be in the energized position 5 2 2 OVER CURRENT TRIP Should the utility power switching device trip open due to an over current condition TSC 80 transfer controller will initiate an engine start signal and will permit transfer of PM062 REV 5 08 05 05 9 Thomson Technolo
39. ntegrity ensure that On T Style mechanisms all limit switches are correctly adjusted to provide full travel of the power switching device toggles without exerting unnecessary forces associated with excessive travel Ensure that power switching device travel far enough to reset any internal trip unit it is more important for the toggle to go fully in the off direction than in the on direction Mechanical interlocking is correct when one power switching opens well before the other should close All fasteners are adequately tightened The operating linkages are not damaged or bent and that all bearing points operate freely On S style transfer switch mechanisms check nylock nuts on bolt pivot points Operation arms should move freely without excessive play 7 2 maintain electrical integrity ensure that PM062 REV 5 08 05 05 15 Thomson Technology All electrical connections especially power connections are clean and adequately tightened Corroded or loose power connections will cause destructive heating and may cause premature tripping All insulating devices are in place and in good condition TS 870 TRANSFER SWITCH e No moisture or other contamination is present e Electrical conductors are adequately secured away from moving parts 7 3 maintain operational integrity ensure that e All control devices are in good condition and correctly calibrated e All control devices are adequately secured in their plu
40. ory default settings PM062 REV 5 08 05 05 3 Thomson Technology TS 870 TRANSFER SWITCH To change the transfer switch voltage refer to INSTRUCTIONS TO CHANGE SYSTEM VOLTAGE ON TS870 SERIES TRANSFER SWITCHES WITH TSC 80 CONTROLLER attached as Appendix B Contact Thomson Technology for further information as may be required 3 4 SYSTEM PHASING HIGH LEG DELTA SYSTEMS For systems using high leg delta 240V 3 phase 4 wire systems connection of supply conductors must have the correct phasing as shown below WARNING Failure to match correct system phasing will result in serious damage to the TSC 80 controller Automatic Transfer Switch Utility Supply PHA PHB PHG Neural UA UB UC N B Orange High Leg Red L Yellow Where transfer switches are supplied without power isolation transformers PT1 amp PT2 for ATS control logic it is essential that the orientation of phase conductors of PM062 REV 5 08 05 05 4 Thomson Technology TS 870 TRANSFER SWITCH the supply source be arranged such that the phase of highest potential with respect to ground is not connected to the power supply inputs to the controller A Phase for both supplies Failure to do so will result in equipment damage Per NEC Article 384 3 f The B phase shall be that phase having the higher voltage to ground on a 3 phase 4 wire delta connected systems 3 5 REMOTE START CONTACT FIELD WIRING
41. power switching device open C Both utility and generator power switching devices open but NEVER both utility and generator power switching devices closed at the same time 8 1 MANUAL OPERATION DANGER Arc Flash and Shock Hazard Will cause severe injury or death Do not open equipment until ALL power sources are disconnected This equipment must be installed and serviced only by qualified electrical personnel utilizing safe work practices and appropriate Personal Protective Equipment PPE Failure to do so may cause personal injury or death Isolate the transfer switch from all sources of supply before opening the enclosure for manual operation With all sources of power de energized to the transfer switch the control circuit isolation plug can be unplugged to prevent subsequent operation The control circuit isolation plug is located on the inner side of the transfer switch enclosure door To operate manually insert the operating handle into the square hole on the front of the mechanism and rotate to the desired position Remove the operating handle once operation is complete and re insert into the handle holder on the left hand side of the transfer switch mechanism PM062 REV 5 08 05 05 17 Thomson Technology TS 870 TRANSFER SWITCH Automatic operation may be regained by replacing the control circuit isolation plug With all sources of power de energized to the transfer switch the control circuit isolation plug can
42. properly torqued Confirm cable installation ensure the cables do not interfere with normal equipment operation or which may cause component damage Manually operate the transfer mechanism to the appropriate source of supply Leave the Isolation Plug disconnected until final Transfer Switch Commissioning is to be completed Final Commissioning Verify installation of the Automatic Transfer Switch as per installation manual and verify wiring also see the Pre Commissioning Checks Confirm phase neutral and grounding conductors are installed as per electrical code requirements Note Confirm neutral conductors of both sources are correctly installed and are solidly grounded for 3 phase 4 wire configurations Check for mechanical damage shipping or installer Check for cable interference with mechanical moving parts or the motor brake on 100A 250A ATS mechanism Verify correct control wire interconnects to the engine generator set auto start stop circuitry Ensure the engine controller automatic start circuit does not draw more than 5 0 amps resistive across the TSC 80 Engine Start contact The TSC80 Engine Start contact is voltage free and the only voltage measured should result from the engine controllers internal control logic Note The ATS Engine Start contact CLOSES to start the engine and OPENS to stop the engine Place the generator engine controller in the OFF position and open the generator local circuit breaker Ensure the AT
43. rent setting of 100 of the equipment rating and maximum short time instantaneous current and time delay settings WARNING Do Not Energize this equipment until device settings have been verified to ensure proper system protection amp coordination Failure to do so may result in equipment failure Refer to Section 5 2 2 of this manual for additional information on operation of the Transfer switch following an over current trip condition Refer to information supplied with the transfer switch documentation package for adjustment procedures on the power switching units over current protection trip unit Contact the factory if any additional information is required 3 3 TRANSFER SWITCHES WITH MULTI TAP VOLTAGE CAPABILITY If the transfer switch has programmable multi tap voltage capability i e ATS Model Code with Voltage Code Y confirm the transfer switch has been configured for the correct system voltage prior to installation WARNING Failure to confirm and match transfer switch voltage with the system voltage could cause serious equipment damage The voltage selections and connections are shown on the engineered drawings attached to each transfer switch The factory default settings will be indicated on the calibration label attached on the inside of the enclosure door Supplied loose on open style models A blank label is included to record the applicable settings if the configuration is changed from the fact
44. t light will not illuminate due to loss of control power Note To return the transfer switch back to normal operation the utility control circuit disconnect switch and control circuit isolation plug must be switched on and reconnected for correct operation 3 If the position of the transfer switch mechanism is not in the neutral position manually operate the transfer switch mechanism depending on mechanism type as follows Note Refer to product drawings in sections 12 13 amp 14 for identification of Transfer Switch Mechanism style supplied with the Transfer Switch a T Style Mechanism Pull the manual release plunger on the mechanism releasing the motor drive rod from motor drive arm and move the knob and yoke to the marked neutral position b S Style Mechanism Insert the operating handle into the front of the transfer mechanism and turn the operating handle until the position indication on the mechanism clearly shows the neutral position WARNING Failure to move the mechanism to the Neutral Position may result in serious personal injury or death due to electrical shock 4 Close the transfer switch door securely using a suitable tool Lock the door in the closed position and remove the key WARNING Failure to positively lock closed and secure the transfer switch door may result in serious personal injury or death due to electrical shock PM062 REV 5 08 05 05 12 Thomson Technology TS 870 TRANSFER SWI
45. tch to the Automatic start position 12 To transfer the generator on load perform a load test by pressing the Utility Power Fail Simulate pushbutton ON and holding it for approximately 5 seconds until the LED light above the push button changes state The engine should start following the 3 second engine start delay period and the transfer switch will begin transferring to the generator supply once the 2 second engine warm up timer expires Note The engine warm up timer will only begin timing once the generator s output rises above 85 nominal voltage and 90 nominal frequency Once the Utility power switching device opens the transfer switch mechanism will pause in the neutral position for the 3 second neutral delay period then the mechanism will complete the transfer and close the generator power switching device To determine correct operation observe the following on the TSC 80 faceplate i Generator Source green LED is ON ii Red LED above mimic bus for the generator source is ON iii Green Load LED is ON iv Utility Source green LED is ON v Utility Power Fail Simulate yellow LED is ON vi Green LED above mimic bus for the Utility source is OFF 13 To terminate the test press the Utility Power Fail Simulate push button on the TSC 80 faceplate again and hold until the LED above the pushbutton changes state The transfer switch will begin transferring to the utility supply follow
46. uires upstream over current protection devices for both Utility and Generator sources The Standard TS 870 is rated for 10096 continuous loading and can withstand a maximum short circuit fault current as noted in Section 15 of this manual The standard TS 870 transfer switch model without integral over current protection is identified in the product model code Refer to Section 4 1 of this manual for further details on model coding 6 2 OPTIONAL TS 870 AUTOMATIC TRANSFER SWITCH WITH INTEGRAL OVER CURRENT PROTECTION TS 870 transfer switches will have integral over current protection supplied on the Utility source as standard The type of over current protection utilized is dependent upon ATS amperage size and optional features specified For transfer switches rated 100A through 062 REV 5 08 05 05 13 Thomson Technology TS 870 TRANSFER SWITCH 200A over current protection is non adjustable thermal magnetic type trip units For transfer switches rated 400A through 1200A over current protection is adjustable electronic type with long time amp instantaneous trip unit elements with optional ground fault protection elements Note Ground fault protection is supplied as standard on 1000A and 1200A transfer switches that are used on systems greater than 240V An upstream over current protection device is required on the generator source which feeds the TS 870 Transfer Switch if integral over current protection option is not specified on the ATS
47. use sizing when fuses also provide overload protection 062 REV 5 08 05 05 27 Thomson Technology TS 870 TRANSFER SWITCH 16 2 INTERRUPTING CAPACITY CURRENT RATINGS ALL MODELS WITH INTEGRAL OVERCURRENT PROTECTION OPTION RATED INTERRUPTING CAPACITY CURRENT RATING AMPS RMS 1 BASIC MODEL MAX CURRENT No Upstream Circuit Breaker Protection Required EC EN 240V 480V 600V 00 65 000 25 000 14 000 14 000 N A 22 000 25 000 25 000 25 000 50 000 1 Standard ratings only are shown Consult Thomson Technology for versions with higher interrupting capacity current ratings 2 For other model types not shown contact Thomson Technology for further information 17 GROUND FAULT SITE TEST REQUIREMENTS Per NEC and UL1008 a ground fault protected system shall be performance tested when first installed on site A written record of this shall be made and be available to the authority having jurisdiction A form is provided at the back of this manual for this purpose see Section 21 Confirm and record actual trip setpoints in the form provided which is to be made available on request by inspection authority 17 1 PERFORMANCE TEST Qualified Field Service technicians require a calibrated current injection test apparatus and must be knowledgeable in breaker testing to provide primary neutral CT injection up to or greater than the trip setpoint as selected
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