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PG

IS PROHIBITED WITHOUT PRIOR WRITTEN PERMISSION FROM Lake Shore Electric Corporation.

COPYRIGHT LAW, DISTRIBUTION AND REPRODUCTION OF THIS DOCUMENT, IN WHOLE OR IN PART,

THIS DOCUMENT IS THE PROPERTY OF Lake Shore Electric Corporation.  UNDER

LAKE SHORE ELECTRIC

APV

1=5

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PROJ:

CUSTOMER:

SCALE:

AND LIGHT COMPANY

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CHK:

BEDFORD, OHIO  U.S.A.

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FLORIDA POWER

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STYLE 2 400A 3P 3Ø 4W 277/480

DRN:

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DWG NUMBER

APV:

DESCRIPTION

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REV

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BY

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Corp

1

OF

1

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DATE

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QUOTE/JOB#:

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37.500

30.000

FPL230400G_-04 CH

31.500

39.000

Ø0.563

 CURRENT

 RATING

STANDARD LUG     OPTIONAL LUG

A) 400A:    (1) 2/0-500MCM   (1) 500-600MCM

OR (2) 2/0-250MCM

B) GROUND   (1) #14-1/0

 LUG/CONNECTION DATA:

Summary of Contents for 26220

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

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

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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...

Page 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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