RAM DBS II Instruction Manual

Operator's Guide and Instruction Manual DBS II MA-0002 • REFRIGERATION DBSII / JUNE 09 / REV 1 INDUSTRIES LLC StockCheck.com ...

DISCLAIMERS ......................................................................... B HANDLING AND STORAGE ..................................................... C 1.0 DESCRIPTION ................................................................ 1 1.1 Overview ............ ...

TABLE 2 Short Circuit Capacity Ratings ............................. 5 TABLE 3 DBS Specifications ............................................... 6 TABLE 4 Standard Line Terminals ....................................... 7 TABLE 5 Alternate Line Terminals ........................ ...

Refrigeration Solid State Starter Conventions used in this manual Symbols The following list contains an explanation of the symbols used in this document. This symbol is used when there is information you might find especially useful. The information may also warn you about possible problems you could encounter. This symbol is used when there is ...

Refrigeration Solid State Starter The information contained herein is not intended as a training manual for unqualified personnel. It does not relieve the user of responsibility to use sound practices in application, installation, operation, and maintenance of the equipment purchased or in personnel safety precautions. Should a conflict arise be ...

Refrigeration Solid State Starter Handling and Storage Handling • Strap or brace the DBS controller prior to moving it. • Do not top-stack DBS controllers. • Do not remove DBS controller from skid or unpack it until final installation, if possible. • Packaged DBS controllers should be moved with a forklift and tethered with safety straps. ...

Refrigeration Solid State Starter 1.0 Description 1.1 Overview The DBS (digital bypass solid state) reduced-voltage starter is a microprocessor controlled motor starting device which utilizes six SCRs (silicon controlled rectifiers) to electronically reduce the applied voltage to an AC induction motor, allowing the motor to start at a reduced curr ...

Refrigeration Solid State Starter 1.3 System Parameters The motor and load characteristics and the control method define system parameters. These are configured with switches on the control board of the DBS controller. - Full Load Amps (FLA) - Constant Current Level (% FLA) - Ramp Bypass Time (Seconds) - Control Mode (Display) - Overload Protectio ...

Refrigeration Solid State Starter 1.6 LED Annunciation LEDs, located on the front of the DBS control board, annunciate operating status and assist in troubleshooting while the starter door is open. READY LED (Green) indicates the DBS is in the READY state. RUN LED (Green) indicates the DBS is in either the START or RUN state. The LED will blink wh ...

Refrigeration Solid State Starter 1.7.1 Trip Conditions Multiple trip conditions can be detected and displayed in either DBS control mode. The detection of a trip condition while the motor is running will cause it to stop. Refer to the Set Point Menu (Section 9, Table 13) for trip set points and defaults. SHORT CIRCUIT - This trip will occur if ...