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THOMSON TS 840, Service Manual

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THOMSON TS 840 Service Manual Download Page 36

TS 840 TRANSFER  SWITCH 

 

PM057  REV 8  10/01/25 

32 

Thomson Technology 

Component Description 

Thomson Technology 
Part Number 

Comments 

procedures  

 

 

 

Transfer Switch Motor  
(100-250A S Style Mechanism) 
120V 20 watt 1 PH 

007701 

Motor is supplied with gear box 
assembly. Contact Thomson 
Technology Service Department 
for installation procedures 

Transfer Switch Motor  
(400A-800A S Style 
Mechanism) 120V 30 watt 1 
PH 

007961 

Motor is supplied with gear box 
assembly. Contact Thomson 
Technology Service Department 
for installation procedures 

120VAC Auxiliary Plug-in 
Relay, 11 pin Square (UX/GX) 

001278 

Must ensure coil voltage is correct 

120VAC Auxiliary Plug-in Timer  001515 

Must ensure coil voltage is correct 

100VA Control Transformer 

002159 

 

 

For other parts not listed, please contact Thomson Technology. 

18. 

PRODUCT RETURN POLICY 

Thomson Technology 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. 

Returns only:

 Sales Fax (604) 888-5606 

Warranty replacement/Warranty Repair:

 Service Fax (604) 888-3370.  

Upon receipt of your request, Thomson Technology will confirm with a copy of our Order 

Acknowledgement via fax advising the RMA number which should be used to  tag the defective 

controller prior to shipment. 

Summary of Contents for TS 840

Page 1: ...ley BC Canada V1M 3B1 Ÿ Telephone 604 888 0110 Telefax 604 888 3381 Ÿ E Mail info thomsontechnology com Ÿ www thomsontechnology com TS 840 AUTOMATIC TRANSFER SWITCHES INSTALLATION OPERATING SERVICE MANUAL PM057 Rev 8 10 01 25 ...

Page 2: ......

Page 3: ...TING 5 3 6 INSTALLATION OF OPEN TYPE TRANSFER SWITCHES 5 3 7 MOUNTING OF ENCLOSED TRANSFER SWITCHES 5 4 GENERAL DESCRIPTION 8 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 2 SERVICE ENTRANCE AUTOMATIC TRANSFER SWITCH 12 5 3 TEST MODES 16 6 OVER CURRENT PROTECTION 16 6 1 STANDARD TS 840 AUTOMATIC TRANSF...

Page 4: ...POLE 400A 800A S STYLE TRANSFER MECHANISM25 13 CABLE TERMINAL INFORMATION 26 14 REQUIREMENTS FOR UPSTREAM CIRCUIT PROTECTIVE DEVICES 26 14 1 WITHSTAND CURRENT RATINGS ALL MODELS WITHOUT INTEGRAL OVERCURRENT PROTECTION OPTION 26 14 2 INTERRUPTING CAPACITY CURRENT RATINGS ALL MODELS WITH INTEGRAL OVERCURRENT PROTECTION OPTION 27 15 GROUND FAULT SITE TEST REQUIREMENTS 27 15 1 PERFORMANCE TEST 27 16 T...

Page 5: ... to Appendix A Rev 7 08 03 05 Changes to Incorporate new S Style mechanism 100A 150A 200A 250A 600A 800A 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 t...

Page 6: ...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 an...

Page 7: ...stantaneous 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 th...

Page 8: ...sing as shown below WARNING Failure to match correct system phasing will result in serious damage to the TSC 80 controller 208V B Orange High Leg C Yellow A Red N White PH A UA Automatic Transfer Switch Utility Supply PH B UB PH C UC Neural N 120V 120V 240V 240V Where transfer switches are supplied without power isolation transformers PT1 PT2 for ATS control logic it is essential that the orientat...

Page 9: ...res 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 conta...

Page 10: ... generic certificate if certification were a requirement Consult factory before ordering The Automatic Transfer Switches are qualified to the highest known level in North America based on site class D Specifically this is a spectral acceleration of 342 The transfer switch must be installed per the anchoring details provided for seismic qualification The equipment can be mounted in alternate means ...

Page 11: ...TS 840 TRANSFER SWITCH PM057 REV 8 10 01 25 7 Thomson Technology Anchoring Notes 1 Anchoring must be designed according to IBC 2006 or latest version ...

Page 12: ...its The standard TS 840 series Automatic Transfer Switch is rated for 100 system load and requires upstream over current protection The TS 840 Automatic Transfer Switch may be supplied with optional integral over current protection within the enclosed contact power switching units for applications such as Service Entrance Rated equipment Refer to Section 6 of this manual for detailed information o...

Page 13: ... adequate voltage decay during transfer operation to prevent out of phase transfers 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 ...

Page 14: ...SWITCH 100 800 A B SERVICE ENTRANCE M MOLDED CASE SWITCH C W THER MAG 4 5 MODEL TRIP 100 200A 84 840 SWITCH 13 OPERATION TYPE N MOLDED CASE SWITCH C W ELECTRONIC 1 OPEN TRANSITION TRIP 250 800A 6 POLES 2 2 POLE 14 SAFETY STANDARDS 19 GENERATOR SWITCHING DEVICE 3 3 POLE A UL 1008 K MOLDED CASE SWITCH 100 800 A B CSA C22 2 NO 178 M MOLDED CASE SWITCH C W THER MAG 7 CONFIGURATION TYPE TRIP 100 200A A...

Page 15: ...DM is available for the TSC 80 Transfer Controller The SDM module provides an LCD screen to display additional detailed information on the operation and settings of the TSC 80 controller for simplified servicing trouble shooting procedures For detailed information refer to the separate SDM module instruction manual PM065 5 GENERAL THEORY OF OPERATION 5 1 STANDARD AUTOMATIC TRANSFER SWITCH 5 1 1 NO...

Page 16: ...ility supply Note A neutral delay timer circuit will delay the transfer sequence in the neutral position i e both power switching devices open until the neutral delay time period expires adjustable from 0 to 60 seconds An engine cooldown timer circuit will be initiated once the load is transferred from the generator supply Following expiry of the cooldown delay period adjustable from 0 to 30 minut...

Page 17: ...ilot light is illuminated If the Light is illuminated the service has been successfully disconnected and it is safe to perform any maintenance procedures as required In this condition the transfer switch is in the neutral position with both utility and generator transfer power switching devices open The transfer switch will remain in this condition regardless of condition of the utility and genera...

Page 18: ...tch using a suitable tool and opening the door lock with the key 2 Visually inspect the actual position of the transfer switch mechanism If the position of the transfer switch mechanism is clearly in the neutral position and the load bus is de energized on all phases the service has been successfully disconnected Proceed to Step 4 If the position of the transfer switch mechanism is not in the neut...

Page 19: ...nual operating handle into the front of the transfer mechanism and turn the operating handle until the position indication on the mechanism clearly shows the neutral position WARNING Failure to move the mechanism to the Neutral Position may result in serious personal injury or death due to electrical shock 3 Close the transfer switch door securely using a suitable tool Lock the door in the closed ...

Page 20: ...CH The standard TS 840 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 840 is rated for 100 continuous loading and can withstand a maximum short circuit fault current as noted in Section 15 of this manual The standard TS 840 transfer switch model without inte...

Page 21: ...ts 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 instantaneous short time 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...

Page 22: ...ened The operating linkages are not damaged or bent and that all bearing points operate freely Check nylock nuts on bolt pivot points Operation arms should move freely without excessive play 7 2 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 an...

Page 23: ...chnology testing must be done prior to placing a transfer switch in service subsequent to any maintenance or repair Any service work involving electrical components requires high potential testing to ensure that required insulation levels have been maintained ...

Page 24: ...sed and utility power switching device open c Both utility and generator power switching devices open but NEVER both utility and generator power switching devices closed at the same time 8 1 MANUAL OPERATION 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 qualifi...

Page 25: ...replacing the control circuit isolation plug With all sources of power de energized to the transfer switch the control circuit isolation plug can be re connected The drive system will operate the transfer switch to the required position See manual operation instruction on front of transfer switch mechanism ...

Page 26: ...urfaces which are dirty corroded or pitted 10 4 Transfer switches should be in a clean dry and moderately warm location If signs of moisture are present dry and clean transfer switch If there is corrosion try to clean it off If cleaning is unsuitable replace the corroded parts Should dust and or debris gather on the transfer switch brush vacuum or wipe clean DO NOT blow dirt into power switching d...

Page 27: ...TS 840 TRANSFER SWITCH PM057 REV 8 10 01 25 23 Thomson Technology 10 FRONT VIEW TYPICAL 3 POLE 100A 250A S Style TRANSFER MECHANISM ...

Page 28: ...10 01 25 24 Thomson Technology 11 FRONT VIEW TYPICAL 3 POLE 400A 800A S Style TRANSFER MECHANISM Mechanism Front Cover Removed ØC ØB ØA N ØC ØB ØA N ØC ØB ØA N DRAWING FILE No CUSTOMER SHEET DWN BY AUTH BY DATE REV WORK ORDER No ORDER No ...

Page 29: ...TS 840 TRANSFER SWITCH PM057 REV 8 10 01 25 25 Thomson Technology 12 FRONT VIEW TYPICAL 3 POLE 400A 800A S Style TRANSFER MECHANISM ...

Page 30: ...OVERCURRENT PROTECTION OPTION WITHSTAND CURRENT RATING AMPS RMS 1 With Upstream Circuit Breaker Protection With Upstream Fuse Protection BASIC MODEL MAX VOLTAGE RATED CURRENT A 240V Up to 240V Fuse Type TS 84xA 0100 240 100 65 000 100 000 T J TS 84xA 0150 240 150 65 000 100 000 T J TS 84xA 0200 240 200 65 000 N A T J TS 84xA 0250 240 250 65 000 100 000 T J TS 84xA 0400 240 400 65 000 100 000 T J T...

Page 31: ...ten record of this shall be made and be available to the authority having jurisdiction A form is provided at the back of this manual for this purpose see Section 21 Confirm and record actual trip setpoints in the form provided which is to be made available on request by inspection authority 15 1 PERFORMANCE TEST Qualified Field Service technicians require a calibrated current injection test appara...

Page 32: ...und paths do not exist that would bypass the sensors The use of high voltage testers and resistance bridges may be required A simulated fault current is to be generated by a coil around the sensors The reaction of the circuit interrupting device is to be observed for correct response The results of the test are to be recorded on the test form provided ...

Page 33: ...on restoration Isolation plug out Utility disconnect switch is in the de energized position Service Entrance Rated ATS Switch to the Energized position A test mode has been activated check TSC 80 status LED Utility voltage is below the pre programmed limits check utility source for adequate voltage A loose control connection Faulty motor limit switch Defective motor TSC 80 has incorrect voltage co...

Page 34: ...over current condition and TSC 80 Transfer Fail alarm activated as indicated by flashing Load on Utility LED Determine cause of alarm and rectify before TSC 80 is reset Generator does not start up or stop when it should Verify remote engine control panel is set for automatic mode No time delay when there should be Verify time delay setting of the TSC 80 controller Power is not available at the loa...

Page 35: ... provide the following information Transfer Switch Model code e g TS 843AA0200AS Transfer Switch Serial Number e g W 022345 The above information can be found on the transfer switch equipment rating plate located on the outside of the ATS door Component Description Thomson Technology Part Number Comments TSC 80 Service Replacement Controller Board c w lexan TSC80SR Must set configuration Jumper pr...

Page 36: ...l voltage is correct 120VAC Auxiliary Plug in Timer 001515 Must ensure coil voltage is correct 100VA Control Transformer 002159 For other parts not listed please contact Thomson Technology 18 PRODUCT RETURN POLICY Thomson Technology uses a Return Material Authorization RMA process Please complete the Return Authorization Request Form available on our web page for return of goods warranty replaceme...

Page 37: ...TS 840 TRANSFER SWITCH PM057 REV 8 10 01 25 33 Thomson Technology 19 NOTES ...

Page 38: ...building electrical installation in order to be available to the authority having jurisdiction Date Personnel Tests performed Comments Interconnection evaluation Grounding point evaluation Fault current test Ground fault settings ______________________________ Simulated current ______________________________ Results ______________________________ ...

Page 39: ...al position by inserting the manual operating handle into the mechanism and turning until the neutral postion has been reached as is indicated on the transfer mechanism NOTE An optional hand held plug in Service Display Module SDM is available for the TSC 80 Transfer Controller The SDM module provides an LCD screen to display additional detailed information on the operation and settings of the TSC...

Page 40: ...se 4 wire configurations 2 Check for mechanical damage shipping or installer 3 Verify correct control wire interconnects to the engine generator set auto start stop circuitry Ensure the engine controller automatic start circuit does not draw more than 5 0 amps resistive across the TSC 80 Engine Start contact The TSC80 Engine Start contact is voltage free and the only voltage measured should result...

Page 41: ...elay period then the mechanism will complete the transfer and close the generator power switching device To determine correct operation observe the following on the TSC 80 faceplate i Generator Source green LED is ON ii Red LED above mimic bus for the generator source is ON iii Green Load LED is ON iv Utility Source green LED is ON v Utility Power Fail Simulate yellow LED is ON vi Green LED above ...

Page 42: ...e generator will transfer on load as previously described Note The generator may or may not transfer on load which is dependent on the TSC 80 configuration setting The factory default setting is for a Load Transfer plant exercise test The engine will remain operating on load until the plant exercise time delay period expires then the load will re transfer back to the utility supply following the 2...

Page 43: ...APPENDIX B THOMSON TECHNOLOGY SEISMIC CERTIFICATE 9087A 198 th Street Langley B C Canada V1M 3B1 Telephone 604 888 0110 Telefax 604 888 3370 ...

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