Regal THOMSON TS 870 Manual de servicio
4916 - 275th Street, Langley, BC, Canada V4W 0A3 · Telephone (604) 888-0110
Email: [email protected] · www.thomsonps.com
PM
1
75
Rev 0 23/02/10
TS 870
AUTOMATIC TRANSFER SWITCH
WITH TSC 7320 CONTROLLER
(OPEN & CLOSED TRANSITION)
INSTALLATION, OPERATING & SERVICE
MANUAL
TS 870 Transfer Switch
PM175 REV 0 23/02/10 1 Thomson Power Systems
TABLE OF CONTENTS
1. PRODUCT REVISION HISTORY 4
2. EQUIPMENT STORAGE 4
2.1. EQUIPMENT STORAGE 4
2.2. EQUIPMENT OPERATING 5
3. NOTES TO INSTALLER 5
3.1. INSTALLATION CODES/PERMITS: 5
3.2. APPLICATION: 5
3.3. INSTALLATION LOCATION: 5
3.4. POWER CABLING: 5
3.5. CONTROL WIRING: 6
3.6. GENERATOR SET AUTOMATIC OPERATION: 6
3.7. LOAD TYPES: 6
3.8. UPSTREAM OVER CURRENT PROTECTION (NON-SERVICE ENTRANCE
RATED TS 870): 6
3.9. UPSTREAM OVERCURRENT PROTECTION (SERVICE ENTRANCE RATED
TS870): 6
3.10. WITHSTAND/INTERRUPTING CURRENT RATINGS: 7
3.11. TRANSFER SWITCHES WITH INTEGRAL OVER CURRENT PROTECTION 7
3.12. TRANSFER SWITCHES WITH MULTI-TAP VOLTAGE CAPABILITY 7
3.13. REMOTE START CONTACT FIELD WIRING 8
3.14. DIELECTRIC TESTING 8
3.15. INSTALLATION OF OPEN TYPE TRANSFER SWITCHES 8
3.16. SEISMIC ANCHORING 8
4. GENERAL DESCRIPTION 11
4.1. TSC 7320 ATS CONTROLLER 11
4.2. ATS POWER SWITCHING MECHANISM 12
4.3. PRODUCT MODEL CODE 14
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4.4. TYPICAL COMMISSIONING PROCEDURES 15
5. AUTOMATIC SEQUENCE OF OPERATION 15
5.1. STANDARD ATS - OPEN TRANSITION 15
5.2. STANDARD ATS - CLOSED TRANSITION 16
5.3. SERVICE ENTRANCE RATED ATS 20
5.4. TEST MODES 24
6. OVER CURRENT PROTECTION 26
6.1. STANDARD TS 870 AUTOMATIC TRANSFER SWITCH 26
6.2. OPTIONAL TS 870 AUTOMATIC TRANSFER SWITCH WITH INTEGRAL
OVER CURRENT PROTECTION 26
7. GENERAL NOTES ON SERVICING TRANSFER SWITCH MECHANISMS 27
8. ATS MANUAL OPERATING INSTRUCTIONS 29
8.1. TSC 7320 PUSH BUTTON CONTROLS FOR MANUAL OPERATION 29
8.2. S-STYLE ATS - MANUAL OPERATION 31
8.3. MO STYLE ATS -MANUAL OPERATION 33
9. RECOMMENDED MAINTENANCE 38
10. FRONT VIEW (TYPICAL) 3 / 4 POLE 100A-800A S-STYLE TRANSFER
MECHANISM (MECHANISM FRONT COVER REMOVED) 39
11. FRONT VIEW (TYPICAL) 3 / 4 POLE 1000A-1200A MECHANISM MOTOR
OPERATOR (MO) STYLE TRANSFER MECHANISM 40
12. CABLE TERMINAL INFORMATION 41
13. REQUIREMENTS FOR UPSTREAM CIRCUIT PROTECTIVE DEVICES 42
13.1. WITHSTAND CURRENT RATINGS (ALL MODELS WITHOUT INTEGRAL
OVERCURRENT PROTECTION OPTION) 42
13.2. INTERRUPTING CAPACITY CURRENT RATINGS (ALL MODELS WITH
INTEGRAL OVERCURRENT PROTECTION OPTION) 43
14. GROUND FAULT SITE TEST REQUIREMENTS 44
14.1. PERFORMANCE TEST 44
15. TROUBLESHOOTING 45
TS 870 Transfer Switch
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16. REPLACEMENT PARTS 50
17. PRODUCT RETURN POLICY 52
18. NOTES 53
19. PERFORMANCE TEST FORM 54
APPENDIX A – TYPICAL TS 870 ATS COMMISSIONING PROCEDURE
APPENDIX B – TS 870 SYSTEM VOLTAGE CHANGE PROCEDURE
APPENDIX C – SEISMIC CERTIFICATE
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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 23/02/10 Original release.
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.
Related Product Instruction Manuals
TS 870 Quick Start Guide, PM173
TSC 7320 Transfer Switch Controller, PM180
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.
TS 870 Transfer Switch
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2.2. 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. 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 12 Cable Terminal
TS 870 Transfer Switch
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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.
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 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.
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.
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3.10. WITHSTAND/INTERRUPTING CURRENT RATINGS:
Refer to electrical ratings shown in SECTION 13 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.
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 5.3.2 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 is changed from the factory 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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3.13. REMOTE START CONTACT FIELD WIRING
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 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 100ft
(30m)1). For distances exceeding 100 ft. (30m) consult Thomson Power
Systems
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 100 feet (30m)) 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.
3.14. DIELECTRIC TESTING
Do not perform any high voltage dielectric testing on the transfer switch with the TSC
7320 controller connected into the circuit as serious damage will occur to the controller.
All AC fuses, DC control fuses and control circuit isolation plugs connected to the TSC
7320 must be removed if high voltage dielectric testing is performed in the transfer
switch. Failure to isolate the TSC 7320 controller for dielectric testing can result in
equipment malfunction and/or damage.
3.15. INSTALLATION OF OPEN TYPE TRANSFER SWITCHES
Please refer to the factory for additional information.
3.16. SEISMIC ANCHORING
Model TS870 Automatic Transfer Switches and Automatic Transfer and Bypass
Isolation Switches in "standard" enclosures are seismic certified under AC156 building
code for non-structural components.
Standard enclosures are all transfer switch enclosures Thomson Power Systems offers
in NEMA 1, NEMA 2, NEMA 3R and NEMA 4X for the above listed product.
The transfer switch must be installed per the anchoring details provided for seismic
qualification. The equipment can be mounted in alternate means and still qualify if a
qualified Civil Engineer designs the alternate method of anchoring.
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