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TE Series Digital Solid State Soft Starters 18 – 1250A
63
6.2 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 the
unit 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 connections
have been made.
“Power On” light located on the front of the unit turns on when
control 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 OL
Class.)
The motor area and equipment are clear of people and parts before
start-up.
6.3 Sequence of Operation
Apply three-phase power to the unit. The motor should not run until
the 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 to
accelerate. Status display will read Phase A Amps at an increasing
rate.
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 Bypass
Contactor should pull in.
If the motor does not fully accelerate, decelerates, or stops during
the acceleration period, hit the Stop button immediately and open
the disconnect line.
If Pump-Flex Decel is programmed in F025:
Remove the Run Command (or hit the Stop button). At-Speed LED
will go out.
If a Bypass Contactor is present (TE…-BP model), the Bypass
Contactor should drop out.
Status display should read Phase-A amps increasing as motor
begins to decelerate.
Motor should begin to slow down. Status display should begin to
show decreasing motor amps.
When motor reaches Stop Level, starter should turn off. Status
display will again show [0000.]
If the unit does not follow this operational sequence please refer to the
Service and Troubleshooting Guide