THOMSON TS 870 - WITH TSC 80E CONTROLLER Service Manual
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THOMSON TS 870 - WITH TSC 80E CONTROLLER Service Manual

Automatic transfer switches with tsc 80e controller
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TS 870
AUTOMATIC TRANSFER SWITCHES
With TSC 80e Controller
INSTALLATION, OPERATING &
SERVICE MANUAL
PM062 Rev 8 10/01/25
th
Street, Langley, BC Canada V1M 3B1 Ÿ Telephone (604) 888-0110
9087A – 198
Telefax (604) 888-3381 Ÿ E-Mail: info@thomsontechnology.com Ÿ www.thomsontechnology.com

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Summary of Contents for THOMSON TS 870 - WITH TSC 80E CONTROLLER

  • Page 1 TS 870 AUTOMATIC TRANSFER SWITCHES With TSC 80e Controller INSTALLATION, OPERATING & SERVICE MANUAL PM062 Rev 8 10/01/25 Street, Langley, BC Canada V1M 3B1 Ÿ Telephone (604) 888-0110 9087A – 198 Telefax (604) 888-3381 Ÿ E-Mail: info@thomsontechnology.com Ÿ www.thomsontechnology.com...

  • Page 3: Table Of Contents

    SERVICE ENTRANCE AUTOMATIC TRANSFER SWITCH 5.3. TEST MODES OVER CURRENT PROTECTION 6.1. STANDARD TS 870 AUTOMATIC TRANSFER SWITCH 6.2. OPTIONAL TS 870 AUTOMATIC TRANSFER SWITCH WITH INTEGRAL OVER CURRENT PROTECTION GENERAL NOTES ON SERVICING TRANSFER SWITCH MECHANISM PM062 REV8 10/01/25 Thomson Technology...
  • Page 4 TRANSFER SWITCH MECHANISM –1000A-1200A, T-STYLE 9.1. MANUAL OPERATION 10. RECOMMENDED MAINTENANCE 11. FRONT VIEW (TYPICAL) 3 / 4 POLE 100A-250A S-STYLE TRANSFER MECHANISM 12. FRONT VIEW (TYPICAL) 3 POLE 400A-800A S-STYLE TRANSFER MECHANISM (MECHANISM FRONT COVER REMOVED) 13. FRONT VIEW (TYPICAL) 3 / 4 POLE 1000A-1200A T-STYLE TRANSFER MECHANISM 14.

  • Page 5: Product Revision History

    NOTE: All information contained in this manual is for reference only and is subject to change without notice. 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.

  • Page 6: Notes To Installer

    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 5%-95% non-condensing. Before storing, unpack sufficiently to check for concealed damage.

  • Page 7: 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 current setting of 100% (of the equipment rating) and maximum short- time/instantaneous current and time delay settings.

  • Page 8: System Phasing-High Leg Delta Systems

    (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...

  • Page 9: Remote Start Contact Field Wiring

    (A Phase for both supplies). Failure to do so will result in equipment damage.

  • Page 10: Mounting Of Enclosed Transfer Switches

    "Standard" enclosures are all transfer switch enclosures Thomson Technology offers in NEMA 1, NEMA 2, NEMA 3R and NEMA 4X for the above listed product. If a customer requests a custom enclosure it would not be covered under the generic certificate;...
  • Page 11 TS 870 TRANSFER SWITCH Anchoring Notes: 1. Anchoring must be designed according to IBC 2006 or latest version. PM062 REV 8 10/01/25 Thomson Technology...

  • Page 12: General Description

    The TSC 80E 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 80E Transfer Controller, refer to separate instruction manual PM063.
  • Page 13 TS 870 TRANSFER SWITCH 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:...

  • Page 14: Product Model Code

    4.1. 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: 1-3.

  • Page 15: Typical Commissioning Procedures

    When utility supply voltage drops below a preset nominal value (adjustable from 70% to 100% 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...

  • Page 16: Service Entrance Automatic Transfer Switch

    TSC 80E transfer controller will initiate an engine start signal and will permit transfer of 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 80E alarm signal is manually reset.
  • Page 17 TSC 80E 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 80E alarm signal is manually reset.
  • Page 18 Personal Protective Equipment (PPE). Failure to do so may cause personal injury or death 1. Open the door to the transfer switch using a suitable tool and opening the door lock with the key.
  • Page 19 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 &...

  • Page 20: Test Modes

    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.
  • Page 21 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.

  • Page 22: General Notes On Servicing Transfer Switch Mechanism

    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).
  • Page 23 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.

  • Page 24: Transfer Switch Mechanism - 100A-800A, S Style

    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.
  • Page 25 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 be re-connected. The drive system will operate the transfer switch to the required position.

  • Page 26: Transfer Switch Mechanism -1000A-1200A, T-Style

    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.
  • Page 27 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.) PM062 REV 8 10/01/25 Thomson Technology...

  • Page 28: Recommended Maintenance

    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, dry and clean transfer switch. If there is corrosion, try to clean it off.
  • Page 29 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. PM062 REV 8 10/01/25 Thomson Technology...

  • Page 30: Front View (Typical) 3 / 4 Pole 100A-250A S-Style Transfer Mechanism

    TS 870 TRANSFER SWITCH FRONT VIEW (TYPICAL) 3 / 4 POLE 100A-250A S-Style TRANSFER MECHANISM PM062 REV 8 10/01/25 Thomson Technology...

  • Page 31: Front View (Typical) 3 Pole 400A-800A S-Style Transfer Mechanism (Mechanism Front Cover Removed)

    TS 870 TRANSFER SWITCH FRONT VIEW (TYPICAL) 3 POLE 400A-800A S-Style TRANSFER MECHANISM (Mechanism Front Cover Removed) ØC ØB ØA ØA ØB ØC ØA ØB ØC CUSTOMER ORDER No. WORK ORDER No. DWN BY AUTH BY DATE DRAWING/FILE No. SHEET...

  • Page 32: Front View (Typical) 3 / 4 Pole 1000A-1200A T-Style Transfer Mechanism

    TS 870 TRANSFER SWITCH FRONT VIEW (TYPICAL) 3 / 4 POLE 1000A-1200A T-Style TRANSFER MECHANISM PM062 REV 8 10/01/25 Thomson Technology...

  • Page 33: Connection Configuration Options

    TS 870 TRANSFER SWITCH CONNECTION CONFIGURATION OPTIONS PM062 REV 8 10/01/25 Thomson Technology...

  • Page 34: Cable Terminal Information

    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 fuse sizing when fuses also provide overload protection.

  • Page 35: 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.
  • Page 36 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.

  • Page 37: Troubleshooting

    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 Symptom Possible Causes...
  • Page 38 - 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 80E status LED) - Utility voltage is below the pre-programmed limits (check utility source for adequate voltage)
  • Page 39 - 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 80E status LED) - Utility voltage is below the pre-programmed limits (check utility source for adequate voltage)

  • Page 40: Replacement Parts

    NOTE There are no user serviceable components located on the TSC 80E printed circuit board. If the TSC 80E 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.

  • Page 41: Product Return Policy

    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.

  • Page 42: Notes

    TS 870 TRANSFER SWITCH NOTES PM062 REV 8 10/01/25 Thomson Technology...

  • Page 43: Performance Test Form

    TS 870 TRANSFER SWITCH 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. Date Personnel Tests performed Comments Interconnection evaluation Grounding point evaluation...
  • Page 45 1) Verify the system voltage of both sources (i.e. generator and utility) to be applied to the transfer switch are of the correct nominal system value which matches the ATS drawings and the ATS equipment label ratings.
  • Page 46 COMMISSIONING PROCEDURES Model Series TS 870 4) 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.
  • Page 47 TYPICAL AUTOMATIC TRANSFER SWITCH COMMISSIONING PROCEDURES Model Series TS 870 10) 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 switch to the “Automatic” start position.
  • Page 48 2-minute utility return timer. On ATS using TSC 80 controller, 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. On ATS using TSC 80E controller, the engine will be automatically re-tested as programmed in software.
  • Page 49 Failure to do so may cause personal injury or death A) TSC 80E CONTROLLERS ONLY Ensure all power sources are de-energized prior to opening the transfer switch enclosure door. Disconnect “Control Circuit Isolation Plug” Change voltage transformer primary taps settings to match new system voltage on all potential transformers.
  • Page 50 VOLTAGE ON TS 870 SERIES TRANSFER SWITCHES WITH /TSC 80E CONTROLLER To change system voltage on a TSC 80E controller, the transfer switch must be energized to provide control power to the controller to allow software programming. To change the software setting, follow the procedure below...
  • Page 51 APPENDIX “B” THOMSON TECHNOLOGY © INSTRUCTIONS TO CHANGE SYSTEM VOLTAGE ON TS 870 SERIES TRANSFER SWITCHES WITH /TSC 80E CONTROLLER 9087A - 198 Street, Langley, B.C. Canada V1M 3B1 Telephone (604) 888-0110 Telefax (604) 888-3370...
  • Page 52 APPENDIX “B” THOMSON TECHNOLOGY © INSTRUCTIONS TO CHANGE SYSTEM VOLTAGE ON TS 870 SERIES TRANSFER SWITCHES WITH /TSC 80E CONTROLLER 9087A - 198 Street, Langley, B.C. Canada V1M 3B1 Telephone (604) 888-0110 Telefax (604) 888-3370...
  • Page 53 APPENDIX “C” THOMSON TECHNOLOGY © SEISMIC CERTIFICATE 9087A - 198 Street, Langley, B.C. Canada V1M 3B1 Telephone (604) 888-0110 Telefax (604) 888-3370...
  • Page 54 APPENDIX “C” THOMSON TECHNOLOGY © SEISMIC CERTIFICATE 9087A - 198 Street, Langley, B.C. Canada V1M 3B1 Telephone (604) 888-0110 Telefax (604) 888-3370...

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