THOMSON TS 870 Manuel de service

PM062

Rev 11

16/04/19

TS 870

AUTOMATIC TRANSFER SWITCH

WITH TSC 900 CONTROLLER

(OPEN & CLOSED TRANSITION)

INSTALLATION, OPERATING & SERVICE

MANUAL

Part #006332

9087A - 198th Street, Langley, BC, Canada V1M 3B1 ·Telephone (604) 888-0110

Email: info@thomsonps.com ·

www.thomsonps.com

TS 870 Transfer Switch

PM062 REV 11 16/04/19 1 Thomson Power Systems

TABLE OF CONTENTS

1. PRODUCT REVISION HISTORY 4

2. EQUIPMENT STORAGE 5

2.1. EQUIPMENT STORAGE 5

3. NOTES TO INSTALLER 5

3.1. INSTALLATION CODES/PERMITS: 6

3.2. APPLICATION: 6

3.3. INSTALLATION LOCATION: 6

3.4. POWER CABLING: 6

3.5. CONTROL WIRING: 6

3.6. GENERATOR SET AUTOMATIC OPERATION: 7

3.7. LOAD TYPES: 7

3.8. UPSTREAM OVER CURRENT PROTECTION

(NON-SERVICE ENTRANCE RATED TS 870): 7

3.9. UPSTREAM OVERCURRENT PROTECTION

(SERVICE ENTRANCE RATED TS870): 7

3.10. WITHSTAND/INTERRUPTING CURRENT RATINGS: 7

3.11. TRANSFER SWITCHES WITH INTEGRAL OVER CURRENT PROTECTION 8

3.12. TRANSFER SWITCHES WITH MULTI-TAP VOLTAGE CAPABILITY 8

3.13. REMOTE START CONTACT FIELD WIRING 9

3.14. DIELECTRIC TESTING 9

3.15. INSTALLATION OF OPEN TYPE TRANSFER SWITCHES 9

3.16. SEISMIC ANCHORING 9

TS 870 Transfer Switch

PM062 REV 11 16/04/19 2 Thomson Power Systems

4. GENERAL DESCRIPTION 13

4.1. TSC 900 ATS CONTROLLER 13

4.2. ATS POWER SWITCHING MECHANISM 14

4.3. PRODUCT MODEL CODE 18

4.4. TYPICAL COMMISSIONING PROCEDURES 19

5. AUTOMATIC SEQUENCE OF OPERATION 19

5.1. STANDARD ATS - OPEN TRANSITION 19

5.2. STANDARD ATS - CLOSED TRANSITION 20

5.3. DUAL SOURCE ATS 23

5.4. SERVICE ENTRANCE RATED ATS 25

5.5. TEST MODES 30

6. OVER CURRENT PROTECTION 31

6.1. STANDARD TS 870 AUTOMATIC TRANSFER SWITCH 31

6.2. OPTIONAL TS 870 AUTOMATIC TRANSFER SWITCH WITH INTEGRAL OVER

CURRENT PROTECTION 31

7. GENERAL NOTES ON SERVICING TRANSFER SWITCH MECHANISMS 33

8. ATS MANUAL OPERATING INSTRUCTIONS 35

8.1. S-STYLE ATS -MANUAL OPERATION 35

8.2. T-STYLE ATS -MANUAL OPERATION 37

8.3. MO STYLE ATS -MANUAL OPERATION 39

9. FRONT VIEW (TYPICAL) 3 / 4 POLE 100A-250A S-STYLE TRANSFER

MECHANISM 47

10. FRONT VIEW (TYPICAL) 3 POLE 400A-800A S-STYLE TRANSFER MECHANISM

(MECHANISM FRONT COVER REMOVED) 48

11. FRONT VIEW (TYPICAL) 3 / 4 POLE MOTOR OPERATOR (MO) STYLE TRANSFER

MECHANISM (400A-800A CLOSED TRANSITION, 1000-1200A) 49

12. CABLE TERMINAL INFORMATION 50

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PM062 REV 11 16/04/19 3 Thomson Power Systems

13. REQUIREMENTS FOR UPSTREAM CIRCUIT PROTECTIVE DEVICES 51

13.1. WITHSTAND CURRENT RATINGS (ALL MODELS WITHOUT INTEGRAL

OVERCURRENT PROTECTION OPTION) 51

13.2. INTERRUPTING CAPACITY CURRENT RATINGS (ALL MODELS WITH INTEGRAL

OVERCURRENT PROTECTION OPTION) 52

14. GROUND FAULT SITE TEST REQUIREMENTS 52

14.1. PERFORMANCE TEST 52

15. TROUBLESHOOTING 53

16. REPLACEMENT PARTS 58

17. PRODUCT RETURN POLICY 60

18. NOTES 61

19. PERFORMANCE TEST FORM 62

APPENDIX A – TYPICAL TS 870 ATS COMMISSIONING PROCEDURE

APPENDIX B – TS 870 SYSTEM VOLTAGE CHANGE PROCEDURE

APPENDIX C –SEISMIC CERTIFICATE

TS 870 Transfer Switch

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1. PRODUCT REVISION HISTORY

The following information provides an historical summary of changes made to this product since the

original release.

Operating & 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 Changes to Incorporate new S-Style mechanism (100A, 150A, 200A,

250A, 600A, 800A)

Rev 6 08/08/01 Changes to Incorporate optional TSC 80e Transfer Controller

Rev 7 09/01/01 Changes to Incorporate standard TSC 80e Transfer Controller

Rev 8 10/01/25

Changes to Incorporate Seismic Certification and Mounting

Requirements

Rev 9 14/01/08 Update to Marathon Thomson Power System Logo

Rev 10 15/04/07 Changes to incorporate TSC 900 Transfer Switch Controller

Rev 11 16/04/19 Added Closed Transition Transfer models, and Motor Operator Style

ATS mechanisms

Contact Thomson Power Systems, 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.thomsonps.com.

NOTE: All information contained in this manual is for reference only and is subject to change

without notice.

TS 870 Transfer Switch

PM062 REV 11 16/04/19 5 Thomson Power Systems

Related Product Instruction Manuals

•TS 870 Quick Start Instruction Manual, PM150

•TSC 900 Transfer Switch Controller, PM151

•TSC 900 ModbusTM Communication, PM152

Contact Thomson Power Systems, to obtain these instruction manuals. Soft copy of the most

current versions of these manuals are available at www.thomsonps.com.

2. EQUIPMENT STORAGE

The following procedures are required for correct storage of the transfer switch prior to installation.

CAUTION

Failure to store and operate equipment under the specified environmental conditions

may cause equipment damage and void warranty.

2.1. 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. 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 ventilated area

free of corrosive agents including fumes, salt and concrete/cement dust. Apply heat as

necessary to prevent condensation.

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

TS 870 Transfer Switch

PM062 REV 11 16/04/19 6 Thomson Power Systems

3.1. INSTALLATION CODES/PERMITS:

Suitable permits are required by local authorities having jurisdiction prior to installing standby

generator sets and automatic transfer switches.

3.2. APPLICATION:

The TS 870 Transfer Switch is Listed by Underwriters Laboratories (UL) to Safety Standard

UL 1008 for Transfer Switches for Emergency Standby applications. This product is intended

for installation and operation on legally required standby applications for emergency power

systems as defined by the National Electrical Code (NEC).

3.3. INSTALLATION LOCATION:

The standard TS 870 transfer switch is designed for indoor wall mounting or outdoor wall

mounting with NEMA 3R rating. The transfer switch must be installed in an environment where

the temperature range is within +5° to +122° Fahrenheit (-15° to +50° Celsius) and humidity

range not exceeding 5%-95% non-condensing.

NOTE: The transfer switch must not be installed in a location where it is subjected to direct

sunlight on the front of the transfer switch door. In these applications, an optionally available

sun-shade kit must be installed.

3.4. POWER CABLING:

All power cabling entering/exiting the enclosure must be installed in suitably sized conduit per

NEC/CEC requirements. Ampacity, type and voltage rating of current carrying conductors must

also comply with NEC/CEC requirements and local authorities having jurisdiction. To ensure

satisfactory installation of this equipment, refer to manual SECTION 15 Cable Terminal

Information regarding power cable connection tightness requirements. 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.

3.5. CONTROL WIRING:

All control wiring for engine start, load shed, alarm and remote test must be installed in

separate conduits from all power cabling and must utilize suitably sized conduits per NEC/CEC

requirements. All control wiring shall be sized for minimum #18 AWG. Control wiring type and

voltage rating must also comply with NEC/CEC requirements and local authorities having

jurisdiction.

NOTE: All field wiring/communication cabling that may be field installed directly onto any ATS

door mounted components must be suitably routed and protected across the door hinge to

prevent possible mechanical damage upon door opening and/or door closing.

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PM062 REV 11 16/04/19 7 Thomson Power Systems

3.6. GENERATOR SET AUTOMATIC OPERATION:

The TS 870 transfer switch operates in conjunction with any generator set with remote

automatic starting capabilities utilizing a 2 wire, remote start control contact input. A dry

contact is provided for remote generator starting control (contact closes to start generator and

opens to stop generator).

3.7. LOAD TYPES:

The standard TS 870 is suitable for control of motors, electric discharge lamps, tungsten

filament lamps, and electric heating equipment where the sum of motorfull-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.

3.8. UPSTREAM OVER CURRENT PROTECTION (NON-SERVICE ENTRANCE RATED

TS 870):

Non-Service Entrance Rated TS 870 transfer switch models do not contain any integral over

current protection and require upstream over current protection devices for both Utility and

Generator sources.

3.9. UPSTREAM OVERCURRENT PROTECTION (SERVICE ENTRANCE RATED

TS870):

Service Entrance rated TS 870 transfer switch models contain integral over current protection

for the Utility source as standard. Service Entrance rated TS 870 transfer switches do not

contain any integral over current protection for the generator source and requires upstream

generator source over current protection. The Service Entrance rated TS 870 is rated for 80%

maximum continuous loading of load types as described per SECTION 3.7.

3.10. WITHSTAND/INTERRUPTING CURRENT RATINGS:

Refer to electrical ratings shown in SECTION 16 for withstand/Interrupting current ratings.

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.

TS 870 Transfer Switch

PM062 REV 11 16/04/19 8 Thomson Power Systems

3.11. 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.

WARNING

Do Not Energize this equipment until

device settings have been verified to

ensure proper system protection &

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.

3.12. 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 drawings supplied with 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 ischanged from thefactory default settings.

To change the transfer switch voltage, refer to TS 870 System Voltage Change Procedure,

Appendix B. Contact Thomson Power Systems for further information as may be required.

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