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SPEEDMASTER

Variable Speed

D.C. Control

INSTRUCTION MANUAL

TM

This Book Covers Speedmaster Control

Numbers 174902 & 174903

TM

LEESON ELECTRIC CORPORATION

GRAFTON, WI 53024-0241 U.S.A. TELEPHONE (262)377-8810 FAX (262)377-9025

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Summary of Contents for SPEEDMASTER

Page 1: ...TER Variable Speed D C Control INSTRUCTIONMANUAL TM This Book Covers Speedmaster Control Numbers 174902 174903 TM LEESONELECTRICCORPORATION GRAFTON WI 53024 0241 U S A TELEPHONE 262 377 8810 FAX 262 3...

Page 2: ...STRIP WIRING 7 HOOK UP DIAGRAMS 8 START UP ADJUSTMENTS 9 TRIMPOT ADJUSTMENT PROCEDURE 10 TRIMPOT SETTING CHART 11 TWO SPEED OPERATION 12 DYNAMIC BRAKING 12 TACHOMETER FEEDBACK 12 TACHOMETER FOLLOWER...

Page 3: ...installed C LIMITATION of LIABILITY In the event of any claim for breach of any of LEESON S obligations whether express or implied and particularly in the event of any claim of the warranty contained...

Page 4: ...ltages COMMONLY ASKED QUESTIONS LEESON S Speedmaster variable speed DC motor control is a versatile general purpose control rated to 2 HP TheSpeedmastermodelhasadualvoltageinput mayaccommodateeither12...

Page 5: ...changes caused by varying motor loads As the motor load is increased I R COMP increases the voltage output of the control Clockwise rotation of the I R COMP trimpot will increase compensation CUR LIM...

Page 6: ...t not be grounded Serious control damage may result from a grounded input 1 Four 7 32 diameter slots are provided for control mounting 2 The chassis of the control can be used as a template 3 Use stan...

Page 7: ...horted armature or if an armature line is shorted to earth ground As long as 120 VAC input is connected properly there is no additional fusing needed For 240 VAC applications an external fuse may be u...

Page 8: ...plic ations where the MIN trimpot is bypassed connect minus of the follower to this terminal P1 5 ARM Connects to plus Armature wire A1 on motor 0 90 VDC for 120 VAC input OR 0 180 VDC for 240 VAC inp...

Page 9: ...P3 4 11 10 5 2 1 9 8 ARM 1 ARM 2 AC AC black white brown yellow red blue purple or brown gray or yellow brown yellow purple or brown gray or yellow PERMITS REVERSING OF THE MOTOR THIS IS ACCOMPLISHED...

Page 10: ...USTMENTS WARNING ALL POWER MUST BE TURNED OFF BEFORE PROCEEDING 1 Recheck all wiring Accidental grounds loose or pinched wires on armature or speedpot wires may damage the control when power is applie...

Page 11: ...This is in series with the motor 3 Turn power on 4 Set speedpot at the 50 position 5 Set CUR LIM trimpot fully CCW 6 Apply friction braking to the motor shaft until motor is stalled zero RPM 7 While m...

Page 12: ...AC 240VAC 240VAC 120VAC 0 90VDC 0 90VDC 0 90VDC 0 90VDC 0 90VDC 0 180VDC 0 180VDC 0 180VDC 0 180VDC 0 180VDC 0 180VDC 0 90VDC MIN MAX ACCEL I R C L H P INPUT VOLTAGE OUTPUT VOLTAGE THESE SETTINGS APPL...

Page 13: ...between the speedpot HI P1 3 and the Inhibit pin P2 To inhibit speedpot HI is closed to the Inhibit pin To restart the switch is returned to open NOTE The control will stop and start fast accel is by...

Page 14: ...T KNOB 437 3 8 DIA 5 32 DIA SPEEDPOT LOCATOR HOLE DIMENSIONS 500 370 370 1 240 1 250 250 Dia SPEEDPOT DIMENSION INFORMATION In normal operation this control needs no routine maintenance The cover may...

Page 15: ...W to start replace motor brushes check should be above 108V reduce load replace motor brushes see ADJUSTMENT PROCEDURE see ADJUSTMENT PROCEDURE see ADJUSTMENT PROCEDURE current must be greater than 15...

Page 16: ...5 00 1 0 9 70 7 50 1 5 12 90 9 90 2 0 ENGLISH METRIC 5 530 5 530 140mm 140mm 7 250 7 250 184mm 184mm 3 500 3 500 89mm 89mm 26 80 oz 30 80 oz 681 gms 782 gms WIDTH LENGTH HEIGHT WEIGHT 174902 174903 1...

Page 17: ...D3 D4 D5 D6 D7 D8 D9 D10 1N4005 1N4005 1N914B 1N5242B L512FY131 L512FY131 L512FY131 1N914B 1N4005 1N5233B F1 H1 JU1 JU2 P1 1 THRU 11 P2 PCB 10 AMP FUSE BUSSMAN ABC or LITTLEFUSE 314 SERIES CERAMIC FU...

Page 18: ...0 OHM ARM P1 5 ARM P1 4 MOTOR R19 150K R20 1K R21 1K MAX R22 50K R17 390K TACH D7 L512F R24 01 OHM 5W R8 15K FIELD R7 470K R11 10K D3 1N914B C7 1uf 50V R4 1 2M C5 1uf 50V R6 82K R5 180K C4 033uf 400V...

Page 19: ...18 Bulletin 301 12 00...

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