McQuay RVSS14 Installation, Operation And Maintenance Manual page 25

Start Mode
Description
The Start Mode parameter allows for an optimal start of the motor based on the application.
For a description of the possible Start Mode parameters, refer to page 31 in the Operations
chapter.
Values
The Start Mode Parameter can be set to Curr, TT, or Tach.
Default
The default value for the Start Mode is Curr.
Stop Mode
Description
The Stop Mode parameter allows for the most suitable stop of the motor based on the
application. For a description of the possible Stop Mode parameters, refer to page 31 in the
Operations chapter of the starter manual.
Values
The Stop Mode can be set to Coas, VDCL, or TT.
Default
The default value for the Stop Mode is Coas.
Int. Curr. (initial current)
Description
The initial current parameter is set as a percentage of the motor FLA parameter setting. The
initial current parameter sets the current that will initially reach the motor when a start is
commanded.
If the motor does not rotate within a few seconds after a start command, the initial current
should be increased. If the motor takes off too quickly after a start command, the initial
current should be decreased.
The initial current must be set to a value that is lower than the maximum current parameter
setting.
A typical setting for the initial current parameter is from 50% to 175%.
Values
The initial current is adjustable from 50% to 400% in 1% intervals.
Default
The default value for the initial current is 100%.
Max. Curr. (maximum current)
Description
The maximum current parameter is set as a percentage of the motor FLA parameter setting.
The maximum current parameter performs two functions. It sets the current for the end of the
ramp profile and sets the maximum current that is allowed to reach the motor while the motor
is being started.
If the ramp time expires before the motor has reached full speed, the starter will hold the
current at the maximum current level until the stall time expires, the motor reaches full speed,
or the overload trips.
Typically, the maximum current is set to 600% unless the power system or load dictates the
setting of a lower maximum current.
Values
The maximum current is adjustable from 100% to 600% in 1% intervals.
IOMM Starter 25