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Toshiba 18 - 1250 A Instruction Manual
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TE Series Digital Solid State Soft Starters 18 – 1250A636.2 Start-up Check List Supply voltage matches the rated supply voltage of the unit. Horsepower and current ratings of the motor and unit match or theunit is higher rating. Initial ramp time and torque adjustments have been checked. Power lines are attached to the unit input terminals L1, L2 and L3. Motor leads are connected to the lower terminals T1, T2, and T3. Appropriate control power is applied and/or control connectionshave been made. “Power On” light located on the front of the unit turns on whencontrol power is applied. Four 7-segment LED readouts are visible. The motor’s FLA has been programmed in function F001. The thermal overload is properly set. (Use F003 and F004 to set OLClass.) The motor area and equipment are clear of people and parts beforestart-up.6.3 Sequence of Operation Apply three-phase power to the unit. The motor should not run untilthe start command is applied. Apply control power and check that the “Power On” LED comes on. Status Display should read [0000.] showing no current in Phase A(minor flickering of the first digit is common). Apply the Run (Start) command. The motor should begin toaccelerate. Status display will read Phase A Amps at an increasingrate. When the motor reaches full speed, the “At Speed” LED comes on.Status display should show a sharp decrease in Phase-A amps. If a Bypass Contactor is present (TE…-BP model), the BypassContactor should pull in. If the motor does not fully accelerate, decelerates, or stops duringthe acceleration period, hit the Stop button immediately and openthe disconnect line.If Pump-Flex Decel is programmed in F025: Remove the Run Command (or hit the Stop button). At-Speed LEDwill go out. If a Bypass Contactor is present (TE…-BP model), the BypassContactor should drop out. Status display should read Phase-A amps increasing as motorbegins to decelerate. Motor should begin to slow down. Status display should begin toshow decreasing motor amps. When motor reaches Stop Level, starter should turn off. Statusdisplay will again show [0000.]If the unit does not follow this operational sequence please refer to theService and Troubleshooting Guide |
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