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Lakeshore 26220, Установка, эксплуатация и обслуживание

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Installation / Operation / Maintenance Manual   

1 

 

 

 

 

10/28/2019 

 

 

 

 
 
 

INSTALLING, OPERATING AND MAINTAINING 

 

 

AUTOMATIC TRANSFER SWITCHES 

 

 

AS MANUFACTURED FOR  

FLORIDA POWER & LIGHT 

 
 
 
 

 
 
 
 
 

 

WITH ELECTROMECHANICAL CONTROLS 

 
 
 
 
 

 

Lake Shore Electric Corporation 

205 Willis Street 

Bedford, OH 44146 

Toll Free:

 800-225-0141 

Phone:

 440-232-0200 

Fax:

 440-232-5644 

 

Содержание 26220

Страница 1: ...ALLING OPERATING AND MAINTAINING AUTOMATIC TRANSFER SWITCHES AS MANUFACTURED FOR FLORIDA POWER LIGHT WITH ELECTROMECHANICAL CONTROLS Lake Shore Electric Corporation 205 Willis Street Bedford OH 44146...

Страница 2: ...CUMENT IS THE PROPERTY OF Lake Shore Electric Corporation UNDER COPYRIGHT LAW DISTRIBUTION AND REPRODUCTION OF THIS DOCUMENT IN WHOLE OR IN PART IS PROHIBITED WITHOUT PRIOR WRITTEN PERMISSION FROM Lak...

Страница 3: ...ION OF THIS DOCUMENT IN WHOLE OR IN PART THIS DOCUMENT IS THE PROPERTY OF Lake Shore Electric Corporation UNDER LAKE SHORE ELECTRIC AND LIGHT COMPANY BEDFORD OHIO U S A FLORIDA POWER STYLE 2 225A 3P 3...

Страница 4: ...MENT IN WHOLE OR IN PART THIS DOCUMENT IS THE PROPERTY OF Lake Shore Electric Corporation UNDER LAKE SHORE ELECTRIC AND LIGHT COMPANY BEDFORD OHIO U S A FLORIDA POWER 277 480VAC 3P 3 4W 400A FPL230400...

Страница 5: ...hore Electric Corporation UNDER LAKE SHORE ELECTRIC APV 1 5 PROJ CUSTOMER SCALE AND LIGHT COMPANY CHK BEDFORD OHIO U S A FLORIDA POWER STYLE 2 400A 3P 3 4W 277 480 DRN DWG NUMBER APV DESCRIPTION REV B...

Страница 6: ...IS DOCUMENT IN WHOLE OR IN PART THIS DOCUMENT IS THE PROPERTY OF Lake Shore Electric Corporation UNDER LAKE SHORE ELECTRIC APV 1 5 M S NUMBER 0 283 408 090 PROJ CUSTOMER SCALE AND LIGHT COMPANY CHK BE...

Страница 7: ...NJURY AND EQUIPMENT DAMAGE DURING INSTALLATION AND USE OF THIS PRODUCT COMPLY WITH THE NATIONAL ELECTRICAL CODE NEC FEDERAL STATE AND LOCAL CODES AND ALL OTHER APPLICABLE SAFETY CODES MAIN UTILITY EME...

Страница 8: ...y or of fitness for purpose shall apply Lake Shore is not responsible for damage to its equipment through improper installation or use unauthorized repair or modifications or attempts to operate it ab...

Страница 9: ...SWITCHES 16 5 1 GENERAL INFORMATION 16 5 2 INSPECTION AND MAINTENANCE 16 6 TIMING RELAYS 17 7 VOLTAGE RELAYS 17 7 1 VOLTAGE SENSING CLOSE DIFFERENTIAL 17 8 TROUBLESHOOTING GUIDE 19 9 APPENDIXES 22 9 1...

Страница 10: ...Installation Operation Maintenance Manual 10 28 2019 10 PAGE INTENTIONALLY LEFT BLANK...

Страница 11: ...om 16 gauge insulated machine tool wire All control circuits are protected with fuses 2 DESCRIPTION OF OPERATION Normally the transfer switch operates on the preferred power source with the Normal mol...

Страница 12: ...s are made to the common bus at the terminals marked L1 L2 and L3 On three phase four wise transfer switches or single phase three wire transfer switches a neutral bus is provided NOTE Verify that pha...

Страница 13: ...panel A test of the automatic circuitry can be initiated by moving this load test switch to the test position This will cause the normal control circuits to de energize and give a signal to transfer...

Страница 14: ...evices 4 3 REQUIRED MAINTENANCE Please refer to the APPENDIX A for required maintenance on the operating mechanism necessary to maintain your exclusive one year Lake Shore Electric Corporation warrant...

Страница 15: ...enance Manual 10 28 2019 15 Figure 1 LEGEND 1 Manual Handle 2 Drive Arms 3 Adjustment Screw 4 Motor 8 Drive Drums 9 Spring 10 Drive Shoe Pivot 11 Drive Drum Keys 12 Drive Shoe 13 Drive Shore Lining 17...

Страница 16: ...ng return the transfer switch to the proper position A shunt trip may also be provided This allows the breaker to be electrically tripped from a remote location and can also be reset manually 5 2 INSP...

Страница 17: ...any phase falls below the drop out setting the output contacts revert to their de energized state and the LED turns off Pick up and dropout values are adjustable from 70 to 100 of nominal voltage via...

Страница 18: ...nter clockwise 3 Using a small slotted screwdriver turn the pickup potentiometer fully clockwise 4 Apply required level of pickup voltage to the unit 5 Turn the pickup potentiometer slowly counter clo...

Страница 19: ...frequency must be available and within the correct operating limits 3 Control fuses must be in proper working order 4 Control circuit voltage if transformers are used must be 110 to 125 volts 5 Connec...

Страница 20: ...of the ECT If this voltage is 120 Volts nominal check the ECT transformer and or return to step 2 4 Phase Failure Relay Not Functioning PFR Using an appropriately set voltmeter check the voltage on th...

Страница 21: ...ailure Relay Normal is defective and must be replaced If the voltage is zero continue to step 5 5 Load Test Verify that the Load Test Switch is in the NORMAL position 6 Defective T Timer Using an appr...

Страница 22: ...from the edge of the drive shoe indicating slippage Transfer switches utilizing smaller circuit breakers are equipped with a single friction drive arm as they require less force to activate On these...

Страница 23: ...rques are required to be checked every six months in order to maintain the Lake Shore Electric Corporation exclusive one year warranty I TORQUE SOCKET HEAD SCREWS Warning Whenever bus and cable connec...

Страница 24: ...anty I GENERAL ELECTRIC LUG TO MOLDED CASE SWITCH E150 LINE 30 IN LBS F225 LINE 90 IN LBS J600 LINE 60 IN LBS K1200 LINE 200 IN LBS II WESTINGHOUSE LUG TO MOLDED CASE SWITCH DA JA KA LB 6 8 FT LBS 1 4...

Страница 25: ...25 LINE 75 IN LBS J600 LINE 100 IN LBS K1200 LINE 100 IN LBS V WESTINGHOUSE TRIP TO MOLDED CASE SWITCH JA KA DA KCL LB 6 8 FT LBS MA MC 15 FT LBS NB NC LA LC LCL KB HKB JB 6 8 FT LBS VI EATON CUTLER H...

Страница 26: ...be acceptable The torque produced by a motor is approximately proportional to the square of the voltage applied that is a motor that is started at 90 of rated voltage will produce a torque of 90 2 1 o...

Страница 27: ...oltage unbalance condition Consider Figure 3 Triangle ABC represents a balanced voltage source Triangle ABD represents a three phase system in which one phase has dropped to 80 of its nominal voltage...

Страница 28: ...rvoltage relays provide against voltage unbalance when it is calibrated for an 87 drop out The Lake Shore Voltage Sensing Relay will drop out on a 4 voltage unbalance thus limiting the motor overheati...

Страница 29: ...as shown in Figure 6 This time delay helps avoid nuisance undervoltage indications as may occur during system transients The inverse time characteristic allows a 1 5 second delay before the relay de...

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