THOMSON TS 830 Manuale utente

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TS 830

AUTOMATIC TRANSFER SWITCHES

INSTALLATION, OPERATING &

SERVICE MANUAL

PM059 REV 6 08/05/05

TS 830 TRANSFER SWITCH

PM059 REV 6 08/05/05 Thomson Technology

TABLE OF CONTENTS

1. PRODUCT REVISION HISTORY 1

2. EQUIPMENT STORAGE 1

3. NOTES TO INSTALLER 2

3.1. ELECTRICAL CONNECTIONS 2

3.2. TRANSFER SWITCHES WITH ADJUSTABLE OVER CURRENT PROTECTION 2

3.3. TRANSFER SWITCHES WITH MULTI-TAP VOLTAGE CAPABILITY 3

3.4. SYSTEM PHASING-HIGH LEG DELTA SYSTEMS 3

3.5. REMOTE START CONTACT FIELD WIRING 4

3.6. DIELECTRIC TESTING 5

3.7. INSTALLATION OF OPEN TYPE TRANSFER SWITCHES 5

4. GENERAL DESCRIPTION 5

4.1. PRODUCT MODEL CODE 6

5. GENERAL THEORY OF OPERATION 8

5.1. STANDARD AUTOMATIC TRANSFER SWITCH 8

5.2. TEST MODES 9

6. OVER CURRENT PROTECTION 10

7. GENERAL NOTES ON SERVICING ATS MECHANISM 10

8. TRANSFER SWITCH MECHANISM – 100 - 800 AMP (HS STYLE) 11

8.1. MANUAL OPERATION 12

9. TRANSFER SWITCH MECHANISM – 1000A- 1600 AMP (T STYLE) 12

9.1. MANUAL OPERATION 13

10. RECOMMENDED MAINTENANCE 14

11. FRONT VIEW (TYPICAL) 3 / 4 POLE 100A-400A TRANSFER MECHANISM (HS

STYLE) 15

TS 830 TRANSFER SWITCH

PM059 REV 6 08/05/05 Thomson Technology

12. FRONT VIEW (TYPICAL) 3 / 4 POLE 100A-400A TRANSFER MECHANISM (HS

STYLE) (FRONT COVER REMOVED) 16

13. FRONT VIEW (TYPICAL) 3 / 4 POLE 630A-800A TRANSFER MECHANISM (HS

STYLE) 17

14. FRONT VIEW (TYPICAL) 3 / 4 POLE 630A-800A TRANSFER MECHANISM (HS

STYLE) (FRONT COVER REMOVED) 18

15. FRONT VIEW (TYPICAL) 3 / 4 POLE 600A-1600A TRANSFER MECHANISM 19

16. CABLE TERMINAL INFORMATION 20

17. ELECTRICAL RATINGS 20

18. TROUBLESHOOTING 21

19. REPLACEMENT PARTS 22

20. PRODUCT RETURN POLICY 23

21. NOTES 24

TS 830 TRANSFER SWITCH

PM059 REV 6 08/05/05 1 Thomson 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 6 08/05/05 Revision to add HS Style Mechanism 630A-800A

Rev 5 07/10/10 Revision to add HS Style Mechanism 100-400A

Rev 4 07/03/26 Revision to add MEC 310 controller

Rev 3 04/12/21 Revisions to incorporate the new model coding.

Rev 2 04/03/10 Revisions to mechanism style 1000A, 1200A & 1600A.

Rev 1 03/04/15 Revisions to text, dimensions, & cable specifications.

Rev 0 02/12/20 Original release.

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.

CAUTION!!!

Failure to store equipment as specified may cause damage and void warranty.

 Before storing, unpack sufficiently to check for concealed damage. If concealed damage is

found, notify Thomson Technology and the Carrier immediately.

 Repack with the original, or equivalent packing materials. Protect from physical damage. Do

not stack.

 Store indoor 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.

 The following storage temperature and humidity must be maintained: -20 to +70°Celsius,

95% Humidity non-condensing.

TS 830 TRANSFER SWITCH

PM059 REV 6 08/05/05 2 Thomson Technology

3. NOTES TO INSTALLER

Before opening the transfer switch enclosure to perform any service task, or to manually transfer the

mechanism, it is imperative to isolate the transfer switch from any possible source of power. Failure

to do so may result in serious personal injury or death due to electrical shock.

CAUTION!!!

All installation and/or service work performed must be done by qualified

personnel only. Failure to do so may cause personal injury or death.

3.1. ELECTRICAL CONNECTIONS

To ensure satisfactory installation of this equipment be sure to observe "Cable Terminal

Information” regarding power cable connection tightness 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.

3.2. TRANSFER SWITCHES WITH ADJUSTABLE OVER CURRENT

PROTECTION

Standard models of automatic transfer switches incorporate integral over current protection.

Transfer switches rated 1000A or higher are supplied with adjustable over current protection

trip units. 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 5.1.3 of this manual for additional information on operation of the Transfer

switch following an over current trip condition.

TS 830 TRANSFER SWITCH

PM059 REV 6 08/05/05 3 Thomson Technology

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 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:

• Change voltage taps on potential transformers (PT’s) to correct system voltage (refer

to drawings)

• Change program setting in the applicable controller used on the transfer switch (e.g.

TSC 80, TSC 800, MEC 2, MEC 20, MEC 310) for nominal system voltage. Refer to

the applicable controller instruction manual for further information.

• Once the PT voltage taps and controller has been re-programmed to correct

operating voltage, the “control circuit isolation plug” on the mechanism, may be

reconnected, prior to voltage energization.

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

controller.

TS 830 TRANSFER SWITCH

PM059 REV 6 08/05/05 4 Thomson Technology

208V

(O range)

(High Leg)

(Yellow)

(R ed)

(W hite)

PH A

(UA)

Autom atic Transfer

Switch (Utility Supply)

PH B

(UB)

PH C

(UC)

Neural

(N)

120V 120V

240V 240V

CAUTION!!!

All installation and/or service work performed must be done by qualified

personnel only. Failure to do so may cause personal injury or death.

Where transfer switches are supplied without power isolation transformers (PT1 &

PT2) for ATS control logic it is essential that the orientation of phase conductors of

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 (The 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

For applications using TSC 80, 800 controllers, 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

TS 830 TRANSFER SWITCH

PM059 REV 6 08/05/05 5 Thomson Technology

panel should conform to the following guidelines to avoid possible controller

malfunction and/or damage.

3.5.1. Minimum #14 AWG (2.5mm2) wire size shall be used for distances up to 500ft

(150m)1). For distances exceeding 500 ft. (150m) 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 500 feet (150m) 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

controller connected into the circuit, as serious damage will occur to the controller.

All AC control fuses and/or control circuit breakers or control circuit isolation plugs

connected to the controller must be removed if high voltage dielectric testing is

performed on the transfer switch.

3.7. INSTALLATION OF OPEN TYPE TRANSFER SWITCHES

Please contact Thomson Technology for additional information.

4. GENERAL DESCRIPTION

Thomson Technology TS 830 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.

System load is then automatically re-transferred back to the utility supply following restoration of the

utility power source to within normal operating limits. Transfer switches with MEC 2, MEC 20 or

MEC 310 controllers installed have integral engine-genset auto start control & monitoring features

and therefore these applications do not require an engine-mounted auto start control panel.

The standard TS 830 series Automatic Transfer Switch is rated for 100% system load and does not

require upstream over current protection. Refer to Section 6 of this manual for detailed information

on over current protection.

TS 830 TRANSFER SWITCH

PM059 REV 6 08/05/05 6 Thomson Technology

The TS 830 series transfer switch may be supplied with type TSC 80, TSC 800, MEC 310 or MEC

20 controllers as specified at equipment order. All controllers are microprocessor based which

provides all necessary control functions for fully automatic operation. The controllers are mounted

on the door of the transfer switch enclosure and operating status is shown via LED lights and/or

LCD display dependent upon controller type. For further information on the controller utilized, refer

to separate instruction manuals.

The power switching devices used for the Utility and Generator sources are operated by an

electrically driven motor mechanism in the transfer switch. 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 interrupted “break-before-make” transfer sequence.

Note: For the purpose of this manual, the following standard nomenclature is utilized:

• Utility: to indicate the source of primary power

• Generator: to indicate the source of standby power

• Power switching device: to indicate the transfer switch power switching device

4.1. PRODUCT MODEL CODE

The type of TS 830 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:

Indice

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