Altistart 01 Soft Starters Page 42 Wiring Diagrams

42 Altistart 01 & U01 soft starters for asynchronous motors ATS01N2 pppp & ATSU01N2 pppp Wiring Diagrams ( 1 ) ( 2 ) Manual Starter or Disconnect Q1 L1 L2 L3 3~ M1 S3 SOFT STOP OL FU1 EMERG STOP S1 S2 START R1C ( 5 ) ( 4 ) ( 3 ) 6/T3 4/T2 BOOST 2/T1 LO1 LI1 LI2 LI+ COM KM1 1/L1 A1 R1A 5/L3 3/L2 OL 120 Vac Supply L N FU3 KM1 208-480 V ATS01N2 pp LU/QN/RT soft starter with GV manual starter, or other motor starter Automatic 3-wire control with isolation contactor with or without soft stop t t1 t2 10 s V 1 Line voltage/ Green LED Start Soft Stop E Stop Yellow LED Motor voltage LO1 Notes: A1: ATS01 soft starter FU1 : Control circuit fuse FU3: Fast-acting UL Listed Class J fuse KM1: Isolation contactor OL: Overload relay Q1: Manual motor starter or disconnect switch S1, S2, S3: Momentary pushbuttons t1: 1 - 10 second adjustable starting time t2: 1 - 10 second adjustable stopping time V1: Initial motor voltage - adjustable from 30 to 80% of the motor's rated voltage (1) Fuses FU3 are not required if device Q1 is a GV manual motor starter installed per local and national electrical codes. (2) Overload protection is required if not included on device Q1. (3) Optional jumper to select boost. (4) See page 11 for L01 wiring recommendations (5) Use shielded cable if control wiring is longer than 3 feet.

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