RAM DBS II
Refrigeration Solid State Starter
28
TABLE 13 Set Point Menu
This menu displays the set point values programmed into the DBS controller. Changes to system set
points in this menu must be made from the “edit” mode.
9.0 DBS Display Unit
TABLE 12 Monitor Menu
This menu is used to display the current system conditions of the DBS controller.
Locked Rotor Current 300 - 800 600 %FLA Motor manufacturer’s specified current draw for a stalled motor.
Stall Time 1 - 60 10 Seconds Length of time the motor can draw lock rotor current and not
experience damage.
Jam Current Level 100 - 600 300 %FLA Current limit allowed for an abnormally sudden increase in
motor load.
Jam Run Delay 0 - 60 10 Seconds Length of time the jam current level can be exceeded before
an alarm.
* Service Factor 75 - 125 115 %FLA Service factor shown on the motor nameplate
Current Unbalance Level 2 - 25 25 %FLA Amount of current one phase is allowed to exceed the average
current of all three phases.
Current Unbalance Delay 0 - 240 5 Seconds Length of time the current unbalance level can be exceeded before
an alarm.
SELECTION RANGE DEFAULT UNITS
DESCRIPTION
Average Current Amps Current measured by the three current inputs averaged
together and displayed as an rms value.
Current Phase A Amps “Live” current reading for phase A.
Current Phase B Amps “Live” current reading for phase B.
Current Phase C Amps “Live” current reading for phase C.
Elapsed Run Time Hr:Min Time since last start.
Thermal Capacity Used %Cap Calculated thermal capacity used by the motor.
Heatsink Temperature DegC DBS chassis heat sink temperature.
Time Till Start Minutes Time remaining before the thermal capacity drops low
enough for the motor to be allowed to start.
Alarm - Enter = Ack Prompt to acknowledge alarm.
Trip - Enter = Ack Prompt to acknowledge trip.
UNITSSELECTION
DESCRIPTION
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* NOTE: Maximum Service Factor of 125% for FLA Switch #0-8, 115% for
FLA Switch #9-B, 100% for FLA Switch #C-F.
9.0 DBS Display Unit
5
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