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Marathon TS 910 Owner's Manual

Automatic transfer switches
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TS 910
AUTOMATIC TRANSFER SWITCHES
OWNERS MANUAL
INSTALLATION, OPERATING &
SERVICE
PM140 Rev 2 14/01/23
th
Street, Langley, BC Canada V1M 3B1  Telephone (604) 888-0110
9087A – 198
Telefax (604) 888-3381  E-Mail: info@thomsontechnology.com  www.thomsontechnology.com

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  • Page 1 TS 910 AUTOMATIC TRANSFER SWITCHES OWNERS MANUAL INSTALLATION, OPERATING & SERVICE PM140 Rev 2 14/01/23 Street, Langley, BC Canada V1M 3B1  Telephone (604) 888-0110 9087A – 198 Telefax (604) 888-3381  E-Mail: info@thomsontechnology.com  www.thomsontechnology.com...

  • Page 3: Table Of Contents

    AUTOMATIC SEQUENCE OF OPERATION SERVICE ENTRANCE AUTOMATIC TRANSFER SWITCH OPERATION OVER CURRENT PROTECTION STANDARD TS 910 AUTOMATIC TRANSFER SWITCH SERVICE ENTRANCE RATED TS 910 AUTOMATIC TRANSFER SWITCH GENERAL NOTES ON SERVICING TRANSFER SWITCH MECHANISM TRANSFER SWITCH MECHANISM OPERATION AUTOMATIC OPERATION...
  • Page 4 TS 910 TRANSFER SWITCH FRONT INTERIOR VIEW (100A SERVICE ENTRANCE ATS) FRONT INTERIOR VIEW (200A STANDARD ATS) FRONT INTERIOR VIEW (200A SERVICE ENTRANCE ATS) FRONT INTERIOR VIEW (400A STANDARD ATS) FRONT INTERIOR VIEW (400A SERVICE ENTRANCE ATS) ENCLOSURE DIMENSIONS/CABLE TERMINALS REQUIREMENTS FOR UPSTREAM CIRCUIT PROTECTIVE DEVICES 17.1...
  • Page 5 TS 910 TRANSFER SWITCH 18.14 TSC 9 GENERATOR FREQUENCY SENSING 18.15 TSC 9 CONFIGURATION INSTRUCTIONS 18.16 LOAD SHED TS 910 SCHEMATIC DIAGRAM TROUBLESHOOTING REPLACEMENT PARTS PRODUCT RETURN POLICY NOTES APPENDIX A – TYPICAL AUTOMATIC TRANSFER SWITCH COMMISSIONING PRIOCEDURES a) PRE-ENERGIZATION CHECKS...

  • Page 7: Product Revision History

    TS 910 TRANSFER SWITCH 1 PRODUCT REVISION HISTORY The following information provides an historical summary of changes made to this product since the original release. Owners Manual Version Rev 0 12/02/09 Original release Rev 1 12/08/28 Added 3 Phase Product Information Contact Thomson Power Systems, to obtain applicable instruction manuals or if in doubt about any matter relating to installation, operation or maintenance.

  • Page 8: Notes To Installer

    Equipment (PPE). Failure to do so may cause personal injury or death 3.1 APPLICATION The TS 910 Transfer Switch is designed and is Listed by Underwriters Laboratories (UL) to Safety Standard UL 1008 for Transfer Switches for Optional Standby applications only. This product is not intended for installation or operation on legally required standby applications for emergency power systems as defined by the National Electrical Code.

  • Page 9: Installation Requirements

    3.4.2 Installation Location The standard TS 910 transfer switch is designed for indoor wall mounting. For applications requiring outdoor wall mounting, a NEMA 3R door kit is optionally available. The transfer switch must be installed in an environment where the temperature range is within +5°...
  • Page 10 TS 910 TRANSFER SWITCH colored Orange per “NEC 384-3(e)” identified as the leg with highest potential with reference to ground). This will ensure the ATS control power that is internally connected between phase A and neutral is maintained at 120VAC. Refer to figure below for further details.
  • Page 11 The Service Entrance rated TS 910 is rated for 80% maximum continuous loading of all load REQUIREMENTS FOR UPSTREAM CIRCUIT types. Refer to...

  • Page 12: Dielectric Testing

    TS 910 TRANSFER SWITCH REQUIREMENTS FOR UPSTREAM CIRCUIT PROTECTIVE DEVICES of this manual for further details. Short circuit currents listed for Standard type ATS are Withstand ratings. Short circuit currents listed for Service Entrance type ATS are Interrupting ratings based on the ratings of the supplied utility service disconnect circuit breaker utilized.

  • Page 13: Service Disconnect Ats Configuration

    TS 910 TRANSFER SWITCH 3.6 SERVICE DISCONNECT ATS CONFIGURATION If the transfer switch is ordered with Service Entrance rating type and is to be used as Service Equipment, following the procedure described below: WARNING: The transfer switch must be de-energized prior to opening the enclosure to access Neutral Bonding strap.

  • Page 14: General Description

    Section 18 this manual. The standard TS 910 series Automatic Transfer Switch is rated for 100% system load and is suitable for control of motors, electric discharge lamps, tungsten filament lamps, and electric heating equipment where the sum of motor full-load ampere ratings and the ampere ratings of other loads do not exceed the ampere rating of the switch and the tungsten load does not exceed 30 percent of the switch rating.

  • Page 15: Product Model Code

    TS 910 TRANSFER SWITCH 4.1 PRODUCT MODEL CODE The type of TS 910 series transfer switch supplied is identified by way of a 11 digit product code which appears on the equipment rating plate (MODEL) on the inside of the door of the transfer switch.

  • Page 16: Ts 910 Optional Accessories

    4.3 TYPICAL COMMISSIONING PROCEDURES CAUTION: Commissioning procedures must be performed by qualified personnel only. Note: The TYPICAL AUTOMATIC TRANSFER SWITCH COMMISSIONING PROCEDURES MODEL SERIES TS 910 (attached as “Appendix A”) is provided for general information only PM140 REV 2 14/01/23 Thomson Power Systems...

  • Page 17: General Theory Of Operation

    TS 910 TRANSFER SWITCH pertaining to typical site installations and applications. Contact Thomson Power Systems for further information as may be required. 5 GENERAL THEORY OF OPERATION 5.1 AUTOMATIC SEQUENCE OF OPERATION Note: Time delays indicated below are factory default settings only. Refer to Section 18.15...
  • Page 18 TS 910 TRANSFER SWITCH 5.2.2.1 TURN OFF GEN STARTING CONTROL: At the generator set, turn it’s automatic starting control to OFF position to prevent generator set from automatically starting when the Utility Service disconnect breaker is opened. 5.2.2.2 LOCK OPEN GENERATOR CIRCUIT BREAKER: At the generator set, OPEN its main generator output power circuit breaker.
  • Page 19 TS 910 TRANSFER SWITCH 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 5.2.3 RETURN FROM SERVICE DISCONNECT MODE...

  • Page 20: Over Current Protection

    6 OVER CURRENT PROTECTION 6.1 STANDARD TS 910 AUTOMATIC TRANSFER SWITCH The standard TS 910 Automatic Transfer Switch does not contain any integral over current protection and requires upstream over current protection devices for both Utility and Generator sources. The Standard TS 910 is rated for 100% continuous loading and can...

  • Page 21: Transfer Switch Mechanism Operation

    TS 910 TRANSFER SWITCH • The operating shaft is not damaged or bent, and that all bearing points operate freely. To maintain electrical integrity, ensure that: • 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.
  • Page 22 TS 910 TRANSFER SWITCH • Do not open covers to equipment until ALL power sources are disconnected Failure to do so may cause personal injury or death Once both Utility and Generator supplies are de-energized the following procedure can be used to operate the Transfer Switch manually.

  • Page 23: Recommended Maintenance

    TS 910 TRANSFER SWITCH 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 and serviced only by qualified electrical personnel utilizing safe work practices and appropriate Personal Protective Equipment (PPE).

  • Page 24: Front Interior View (100A Standard Ats)

    TS 910 TRANSFER SWITCH 10 FRONT INTERIOR VIEW (100A STANDARD ATS) (3 Pole Model shown) TSC 9 UTILITY SUPPLY CONTROLLER TRANSFER MECHANISM GEN SUPPLY (TOP LUGS) CUSTOMER CONTROL ENCLOSURE LOAD CONNECTIONS: MOUNTING (BOTTOM LUGS) • GEN START HOLES (TYP 4) •...

  • Page 25: Front Interior View (100A Service Entrance Ats)

    TS 910 TRANSFER SWITCH 11 FRONT INTERIOR VIEW (100A SERVICE ENTRANCE ATS) (3 Pole Model shown) UTILITY SUPPLY TSC 9 CONTROLLER SERVICE DISCONNECT BREAKER TRANSFER MECHANISM GEN SUPPLY (TOP LUGS) CUSTOMER CONTROL CONNECTIONS: ENCLOSURE • MOUNTING GEN START • LOAD SHED...

  • Page 26: Front Interior View (200A Standard Ats)

    TS 910 TRANSFER SWITCH 12 FRONT INTERIOR VIEW (200A STANDARD ATS) (3 Pole Model shown) UTILITY SUPPLY TSC 9 CONTROLLER TRANSFER MECHANISM GEN SUPPLY (TOP LUGS) CUSTOMER CONTROL CONNECTIONS: • GEN START • LOAD SHED ENCLOSURE • ALARM MOUNTING LOAD •...

  • Page 27: Front Interior View (200A Service Entrance Ats)

    TS 910 TRANSFER SWITCH 13 FRONT INTERIOR VIEW (200A SERVICE ENTRANCE ATS) (3 Pole Model shown) UTILITY SUPPLY TSC 9 CONTROLLER SERVICE DISCONNECT BREAKER TRANSFER MECHANISM GEN SUPPLY (TOP LUGS) CUSTOMER CONTROL CONNECTIONS: • GEN START LOAD • LOAD SHED...

  • Page 28: Front Interior View (400A Standard Ats)

    TS 910 TRANSFER SWITCH 14 FRONT INTERIOR VIEW (400A STANDARD ATS) (3 Pole Model shown) TSC 9 UTILITY SUPPLY CONTROLLER TRANSFER MECHANISM GEN SUPPLY (TOP LUGS) CUSTOMER CONTROL CONNECTIONS: ENCLOSURE • GEN START MOUNTING • LOAD SHED HOLES (TYP 4) •...

  • Page 29: Front Interior View (400A Service Entrance Ats)

    TS 910 TRANSFER SWITCH 15 FRONT INTERIOR VIEW (400A SERVICE ENTRANCE ATS) (3 Pole Model shown) TSC 9 UTILITY SUPPLY CONTROLLER SERVICE DISCONNECT BREAKER TRANSFER MECHANISM GEN SUPPLY (TOP LUGS) CUSTOMER CONTROL CONNECTIONS: • GEN START • LOAD SHED •...

  • Page 30: Enclosure Dimensions/Cable Terminals

    TS 910 TRANSFER SWITCH 16 ENCLOSURE DIMENSIONS/CABLE TERMINALS TERMINAL RATING DIMENSIONS HEIGHT WIDTH DEPTH SHIPPING WEIGHT MODEL ATS TYPE POLES VOLTAGE AMPERAGE INCHES INCHES INCHES PHASE RANGE TS912A0100A STANDARD 240V 100A 16 1/8" 18 7/8" 8 1/4" 20 lbs #14 - 1/0...

  • Page 31: Requirements For Upstream Circuit Protective Devices

    TS 910 TRANSFER SWITCH 17 REQUIREMENTS FOR UPSTREAM CIRCUIT PROTECTIVE DEVICES Standard TS 910 Series transfer switches require upstream circuit breakers to be installed on the utility and generator supply to provide adequate overload and short circuit overcurrent protection for the transfer switch and connected downstream loads. The transfer switch can be used on electrical systems delivering a maximum of short circuit current as indicated in Table 1 below provided specific types of circuit breakers (i.e.

  • Page 32: 100A, 2P Transfer Switch Upstream Circuit Protective Devices

    ED4, ED6, HED4, HHED6, HED6, HEG/HEB, HQP, HCPP, NEG/NEB, NGB, NGG, QPH, QPPH, HDG, LDG, NDG, HQJ2, HQJ2-H, QJ2H, QJH2 Note: 100A Service Entrance Rated TS 910 Transfer switches have an Interrupting Rating on the Utility supply of 10,000 Amps (RMS symmetrical). PM140 REV 2 14/01/23...

  • Page 33: 200A, 2P Transfer Switch Upstream Circuit Protective Devices

    HFG, HFXD6, HHFD6, HHFXD6, LFG, NFG, CJD6, HHJD6, HHJXD6, HJD6, HJXD6, HJG, JXD2, JD6, JXD6, LJG, NJG Note: 200A Service Entrance Rated TS 910 Transfer switches have an Interrupting Rating on the Utility supply of 10,000 Amps (RMS symmetrical). PM140 REV 2 14/01/23...

  • Page 34: 400A, 2P Transfer Switch Upstream Circuit Protective Devices

    MERLIN GERIN CJ400N, CJ400H, CJ400L Note: 400A Service Entrance Rated TS 910 Transfer switches have an Interrupting Rating on the Utility supply of 25,000 Amps (RMS symmetrical). For other circuit breaker types and sizes not listed, contact Thomson Power Systems.

  • Page 35: Tsc 9 Transfer Switch Controller

    TS 910 TRANSFER SWITCH 18 TSC 9 Transfer Switch Controller 18.1 DESCRIPTION The TSC 9 controller utilizes microprocessor-based design technology, which provides high accuracy for all voltage sensing and timing functions. The TSC 9 is factory configured to control all the operational functions and operating status of the automatic transfer switch.

  • Page 36: Electrostatic Discharge Precautions

    TS 910 TRANSFER SWITCH 18.2 ELECTROSTATIC DISCHARGE PRECAUTIONS CAUTION contents subject to damage by STATIC ELECTRICITY The TSC 9 controller contains static-sensitive parts. Please observe the following anti- static precautions at all times when handling this equipment. Failure to observe these precautions may cause equipment failure and/or damage.

  • Page 37: Tsc 9 Faceplate

    TS 910 TRANSFER SWITCH 18.4 TSC 9 FACEPLATE The TSC 9 Controller faceplate is shown as in FIGURE 1 System OK LED Light System OK LED Light ATS Alarm Active LED light Alarm Active LED light Wait for Transfer LED Light...

  • Page 38: Tsc 9 Faceplate Lights And Pushbutton Operation

    TS 910 TRANSFER SWITCH 18.5 TSC 9 FACEPLATE LIGHTS AND PUSHBUTTON OPERATION Operation of the TSC 9 controller lights and pushbuttons are described in the following table: Light Label Light Off Light On Light Slow Flash Light Fast Flash Color...

  • Page 39: Tsc 9 Printed Circuit Board

    TS 910 TRANSFER SWITCH 18.6 TSC 9 PRINTED CIRCUIT BOARD Configuration Jumpers J6 –RS 232 Interface Plug (Wi-Fi Option) KW Adjustment Switches (KW Load Shed Option) USB Factory Programming Port J4 – Controller Isolation Wiring Plug Current Transformer Plugs (KW Load Shed Option)
  • Page 40 TS 910 TRANSFER SWITCH 18.6.1 PRINTED CIRCUIT BOARD USER INTERFACES The TSC 9 has the following user interface items located on the printed circuit board. 18.6.1.1 Customer Interface Control Terminal Block All control wiring connections are made directly on the TSC 9 Transfer controller.
  • Page 41 The TSC 9 controller provides 2 KW load adjustment switches which are utilized when the KW Load Shed optional accessory is provided with the transfer Switch. Additional information on TS 910 kW Load shed optional accessory can be obtained from our Website: (www.thomsontechnology.com).
  • Page 42 Transformers when the transfer switch is supplied with the KW Load Shed optional accessory. Current transformers with specific 2 pin plug connectors and 0-0.3VAC output can only be used. Additional information on TS 910 kW Load shed optional accessory can be obtained from our Website (www.thomsontechnology.com). 18.6.1.6 Expansion Port The TSC 9 controller provides an expansion port for future use only.

  • Page 43: Tsc 9 Operating Instructions

    TS 910 TRANSFER SWITCH 18.7 TSC 9 OPERATING INSTRUCTIONS To operate the TSC 9 controller and associated transfer switch using the front faceplate pushbuttons, refer to the following table: 18.7.1 AUTOMATIC SEQUENCE OF OPERATION Refer to Section 5 GENERAL THEORY OF OPERATION of this manual for information on automatic operation.

  • Page 44: Tsc 9 Operating Mode Descriptions

    TS 910 TRANSFER SWITCH 18.8 TSC 9 OPERATING MODE DESCRIPTIONS 18.8.1 TRANSFER SWITCH FAIL ALARM LOGIC The TSC 9 controller contains logic to detect abnormal operation during various failure modes. Detailed operating logic is as follows: 18.8.1.1 Utility Limit Switch Failure:...
  • Page 45 TS 910 TRANSFER SWITCH • ‘On Gen’ LED Flashes: the “On Gen’ LED will begin flashing to indicate that the generator limit switch is not operating correctly. The LED will flash until the alarm condition is reset. • ‘Alarm’ LED Activated: the ‘alarm’ LED’ will be activated. The LED will not go out until the alarm condition is reset.

  • Page 46: Test Modes

    TS 910 TRANSFER SWITCH 18.8.1.4 Fail to Transfer (In-Phase Detection) Should the transfer switch not immediately transfer following expiry of a normal automatic mode sequence timer (e.g. Gen Warm-up Timer, Utility Return Timer) and both generator and utility supplies are available, the generator and utility supplies may not be in phase as required by the ‘in-...
  • Page 47 TS 910 TRANSFER SWITCH NOTE The load will automatically re-transfer to the utility supply should the generator fail while on load. 18.9.2 GENERATOR EXERCISE TEST The TSC 9 controller contains an automatic generator exercise mode operating feature. The exercise feature can be user configured to automatically start the generator every 7, 14, or 28 days and operate it for 30 minutes (fixed) either ‘ON”...

  • Page 48: Transfer Fail Fault Reset

    TS 910 TRANSFER SWITCH LED OFF - Exercise Timer is not initiated and the 7, 14 or 28 day cycle  timer is not active. To terminate the Generator Exercise Mode, the Exercise pushbutton must be held on for 2 seconds until the LED light above the pushbutton starts flashing.

  • Page 49: Lamp Test

    TS 910 TRANSFER SWITCH 18.11 LAMP TEST To initiate a Lamp Test, both faceplate pushbuttons (i.e. TEST & EXERCISE) must be held on longer than 5 seconds until all Lights on the faceplate illuminate in a flashing mode. 18.12 TIMER BYPASS To bypass an active timing sequence (e.g.

  • Page 50: Tsc 9 Configuration Instructions

    TS 910 TRANSFER SWITCH To override momentary under frequency fluctuations, the under frequency sensor is provided with a transient time delay period of 3 seconds which is non- adjustable. 18.15 TSC 9 CONFIGURATION INSTRUCTIONS All user configuration of the TSC 9 controller is accomplished using hardware jumpers located on top of the printed circuit board as per the following picture.
  • Page 51 TS 910 TRANSFER SWITCH The following configuration jumpers are provided on the printed circuit board to program the TSC 9 controller: WARNING The configuration jumper settings must not be changed while the Transfer Switch and TSC 9 controller are energized. All sources of power to the transfer switch must be de-energized prior to changing any configuration jumper settings.
  • Page 52 TS 910 TRANSFER SWITCH • 240V: For 240V nominal applications, a jumper must be placed across the 2 pins, adjacent to the text on the PCB ‘240V’. Only one jumper must be placed on the voltage selection jumpers. Failure to do so will cause improper operation.
  • Page 53 TS 910 TRANSFER SWITCH NOTE Should utility power fail during a no-load test operation, the load will automatically transfer to the generator and will re-transfer back when utility power is restored to within normal conditions. The engine will continue to run until the 30 minute exercise time delay period expires.
  • Page 54 Load shed option is used with the transfer switch. When the kW Load shed option is not used, no jumper setting is required. Additional information on TS 910 kW Load shed optional accessory can be obtained from our Website (www.thomsontechnology.com...

  • Page 55: Load Shed

    TS 910 TRANSFER SWITCH 18.16 LOAD SHED Load Shed operation can be configured to three different settings as follows: 1. Disabled (Factory Default) 2. Basic 3. kW Load Management The transfer switch is supplied from the factory with the Load shed disabled. Refer to the following table for detailed description of load shed operating modes, their application and settings required on the TSC 9.
  • Page 56 For controlling loads that do not have integral control inputs, suitably rated AC power contactor panels must be used for interconnection with the Load Shed contact. Refer to following typical connection example: Additional information on TS 910 kW Load shed optional accessory can be obtained from our Website (www.thomsontechnology.com). PM140 REV 2 14/01/23...

  • Page 57: Ts 910 Schematic Diagram

    TS 910 TRANSFER SWITCH 19 TS 910 SCHEMATIC DIAGRAM PM140 REV 2 14/01/23 Thomson Power Systems...

  • Page 58: Troubleshooting

    TS 910 TRANSFER SWITCH 20 TROUBLESHOOTING Symptom Possible Causes Will not re-transfer to utility source - TSC 9 Isolation plug is disconnected upon restoration - A test mode has been activated (check TSC 9 status LED) - Utility voltage is below 80% rated voltage (check utility source...

  • Page 59: Replacement Parts

    TS 910 TRANSFER SWITCH Symptom Possible Causes Generator does not start up or stop - Verify remote engine control panel is set for automatic mode when it should Verify engine start wiring is on correct terminals of TSC 9 controller.
  • Page 60 TS 910 TRANSFER SWITCH Part ID Description 011070 100A, 2 Pole Power Contactor Solenoid Coil (Utility Coil 120V ) 011092 100A, 2 Pole Power Contactor Solenoid Coil (Gen Coil 120V ) 011071 200A, 2 Pole & 100A 3 Pole Power Contactor Solenoid Coil (Utility Coil 120V ) 011093 200A, 2 Pole &...

  • Page 61: Product Return Policy

    TS 910 TRANSFER SWITCH 22 PRODUCT RETURN POLICY Thomson Power Systems 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.

  • Page 62: Notes

    TS 910 TRANSFER SWITCH 23 NOTES PM140 REV 2 14/01/23 Thomson Power Systems...

  • Page 63: Appendix A - Typical Automatic Transfer Switch Commissioning Priocedures

    TS 910 TRANSFER SWITCH 24 APPENDIX A – TYPICAL AUTOMATIC TRANSFER SWITCH COMMISSIONING PRIOCEDURES a) PRE-ENERGIZATION CHECKS 1. Verify the generator and utility supply voltages are 120/240V (or 120/208V 3 Phase) maximum. 2. Confirm power cable size is correct for the lugs supplied in the transfer switch (line, load, and neutral) and are properly torqued.

  • Page 64: B) Equipment Energization

    TS 910 TRANSFER SWITCH 14. Visually verify on the transfer switch enclosure that there are no gaps, holes, or potential for water ingress. b) EQUIPMENT ENERGIZATION DANGER HAZARD OF ELECTRICAL SHOCK, EXPLOSION, OR ARC FLASH • This equipment must be serviced only by qualified electrical personnel utilizing safe work practices and appropriate Personal Protective Equipment (PPE).

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