Quick Start - McQuay RVSS14 Installation, Operation And Maintenance Manual

Starters for centrifugal chillers low voltage, solid state and wye-delta medium/high voltage, solid state and across-the-line
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• Press the Menu button repeatedly to return to the main display.

Quick Start

Motor FLA
Parameter Description
The motor FLA parameter must be set to the full load amps of the motor
connected to the starter for the starter to function correctly.
NOTE: The starter uses the entered motor FLA for every current based
calculation. If the motor FLA is not entered correctly, the current ramp profile
and many of the starter's advanced protection features will not function properly.
Parameter Values
The motor FLA parameter is adjustable from 1 to 1200 amps in 1-amp
increments.
Parameter Default
The default value for the motor FLA is 1 amp.
Serv. Fact (Service Factor)
Description
The service factor parameter should be set to the service factor of the motor. The service
factor is used for the overload calculations. The service factor is factory set, will be checked
by the start-up technician and should not require further adjustment. If the service factor of
the motor is not known, then the service factor should be set to 1.00.
Values
The service factor can be set from 1.00 to 1.99, in 0.01 increments.
NOTE: The NEC (National Electrical Code) does not allow the service factor to be set above
1.40. Check with other local electrical codes for their requirements.
Default
The default value for the service factor is 1.15.
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.
IOMM Starter
55

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