THOMSON TS 880 User manual

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

Telefax (604) 888-3381 ŸE-Mail: [email protected] Ÿwww.thomsontechnology.com

TS 880

AUTOMATIC TRANSFER SWITCHES

INSTALLATION, OPERATING &

SERVICE MANUAL

PM064 REV 8 10/01/25

TS 880 TRANSFER SWITCH

PM064 REV 8 10/01/25 Thomson Technology

TABLE OF CONTENTS

1. PRODUCT REVISION HISTORY 1

2. EQUIPMENT STORAGE 1

2.1. ENVIRONMENTAL CONDITIONS 1

2.1.1. EQUIPMENT STORAGE 2

2.1.2. EQUIPMENT OPERATING 2

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 WIRING5

3.6. DIELECTRIC TESTING 6

3.7. MOUNTING OF ENCLOSED TRANSFER SWITCHES 6

4. GENERAL DESCRIPTION 9

4.1. PRODUCT MODEL CODE 10

4.2. TYPICAL COMMISSIONING PROCEDURES 11

5. GENERAL THEORY OF OPERATION 11

5.1. STANDARD AUTOMATIC TRANSFER SWITCH 11

5.1.1. NORMAL SEQUENCE OF OPERATION -OPEN TRANSITION 11

5.1.2. NORMAL SEQUENCE OF OPERATION -CLOSED TRANSITION 12

5.2. SERVICE ENTRANCE AUTOMATIC TRANSFER SWITCH 16

5.2.1. NORMAL OPERATION 16

5.2.2. OVER CURRENT TRIP 17

5.2.3. SERVICE DISCONNECT PROCEDURE 17

5.2.4. ADDITIONAL PROCEDURES 19

5.3. TEST MODES 21

TS 880 TRANSFER SWITCH

PM064 REV 8 10/01/25 Thomson Technology

6. OVER CURRENT PROTECTION 21

6.1. STANDARD TS 880 AUTOMATIC TRANSFER SWITCH 22

6.2.OPTIONAL TS 880 AUTOMATIC TRANSFER SWITCH WITH INTEGRAL OVER

CURRENT PROTECTION 22

7. SERVICING TRANSFER SWITCH MECHANISMS 23

7.1. SERVICING –100A-250A S STYLE MOLDED CASE SWITCH TYPE TRANSFER

MECHANISMS 23

7.1.1. GENERAL DESCRIPTION 23

7.1.2. EQUIPMENT INSPECTION 24

7.1.3. MANUAL OPERATION 24

7.1.4. RECOMMENDED MAINTENANCE 25

7.2. SERVICING–400A-1200A MOLDED CASE TYPE TRANSFER MECHANISMS 26

7.2.1. GENERAL DESCRIPTION 26

7.2.2. EQUIPMENT INSPECTION 27

7.2.3. MANUAL OPERATION 28

7.2.4. RECOMMENDED MAINTENANCE 28

7.3. SERVICING –800A –4000A INSULATED CASE TYPE TRANSFER MECHANISMS

7.3.1. GENERAL DESCRIPTION 30

7.3.2. EQUIPMENT INSPECTION 30

7.3.3. MANUAL OPERATION 31

7.3.4. RECOMMENDED MAINTENANCE 32

8. FRONT VIEW (TYPICAL) 3 POLE 100A-250A S STYLE TRANSFER MECHANISM

9. FRONT VIEW (TYPICAL) 3 POLE 400A-1200A T STYLE TRANSFER MECHANISM

10. FRONT VIEW (TYPICAL) 3 POLE 800A-4000A INSULATED CASE TYPE

TRANSFER MECHANISM 35

11. CONNECTION CONFIGURATION OPTIONS 36

12. CABLE TERMINAL INFORMATION 37

13. REQUIREMENTS FOR UPSTREAM CIRCUIT PROTECTIVE DEVICES 38

TS 880 TRANSFER SWITCH

PM064 REV 8 10/01/25 Thomson Technology

13.1. WITHSTAND CURRENT RATINGS (ALL MODELS WITHOUT INTEGRAL

OVERCURRENT PROTECTION OPTION) 38

13.2. INTERRUPTING CAPACITY CURRENT RATINGS (ALL MODELS WITH INTEGRAL

OVERCURRENT PROTECTION OPTION) 39

14. GROUND FAULT SITE TEST REQUIREMENTS 39

14.1. PERFORMANCE TEST 40

15. TROUBLESHOOTING (100A-1200A MOLDED CASE SWITCH TYPE ATS) 40

16. TROUBLESHOOTING (800A-4000A INSULATED CASE SWITCH TYPE ATS) 43

17. POWER SWITCHING DEVICE TROUBLESHOOTING (800A-4000A INSULATED

CASE SWITCH TYPE ATS)45

18. POWER SWITCHING DEVICE DRAWING 47

19. DRAWOUT CHASSIS ENGINEERING DRAWING 48

20. ELECTRICAL DIAGRAMS 49

21. REPLACEMENT PARTS 52

22. PRODUCT RETURN POLICY53

23. NOTES 54

24. PERFORMANCE TEST FORM55

TS 880 TRANSFER SWITCH

PM064 REV8 10/01/25 1Thomson Technology

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 04/11/15 Original release.

Rev1 04/12/21 Additional information for Closed Transition Operation

Rev 2 05/03/08 Changes to incorporate reversing style ATS motor for 100-250A

transfer switches

Rev 3 05/05/11 Changes to Section 5 & Section 21.

Rev 4 06/05/08 Changes to Section 13.

Rev 5 07/02/01 Changes to Section 13.

Rev 6 07/02/27 Changes to Section 12, Cable Terminal Information

Rev 7 08/03/05 Changes to Incorporate new S-Style mechanism (100A, 150A,

200A, 250A)

Rev 8 10/01/25 Changes to Incorporate Seismic Certification and Mounting

Requirements

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.

TS 880 TRANSFER SWITCH

PM064 REV8 10/01/25 2Thomson Technology

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. 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.

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.

TS 880 TRANSFER SWITCH

PM064 REV8 10/01/25 3Thomson Technology

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 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.

3.3. TRANSFER SWITCHES WITH MULTI-TAP VOLTAGE CAPABILITY

If the transfer switch has programmable multi-tap voltage capability (refer to engineered

drawings), 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 factory default settings.

To change the transfer switch configuration the following must be accomplished:

TS 880 TRANSFER SWITCH

PM064 REV8 10/01/25 4Thomson Technology

qChange voltage taps of the potential transformers (i.e. PT’s) to system voltage (refer to

drawings)

qOnce the voltage taps have been set to correct operating voltage, the “control circuit

isolation plug” on the mechanism, may be reconnected, prior to voltage energization.

qChange TSC 800 programming (refer to the TSC 800 instruction manual (PM049). The

following settings will require reprogramming:

ØSystem voltage

ØUtility under voltage pickup (typically 90% of system voltage)

ØUtility under voltage dropout (typically 80% of system voltage)

ØUtility over voltage pickup (typically 110% of system voltage)

ØUtility over voltage dropout (typically 105% of system voltage)

ØGenerator under voltage pickup (typically 90% of system voltage)

ØGenerator under voltage dropout (typically 80% of system voltage)

ØGenerator over voltage pickup (typically110% of system voltage)

ØGenerator over voltage dropout (typically 105% of system voltage)

Record any changed setting on the TSC 800 Programming Data Sheets for future

reference.

qComplete the blank calibration label and attach to the inside of the transfer switch

enclosure door.

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 800 controller.

Table of contents

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