Bennett 3000 Series - Meters and Pumping Units

Bennett 3000 Spec 300 Series Instruction Manual Service & Troubleshooting
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LIGHT EMITTING DIODES
One LED is available as shown in Figure xx that can be used for troubleshooting. See below for more information.
LED
Color
Description
D5
Green
ON/OFF – Handle In Use
CONTACTOR BOARD 3-PHASE (P/N 133598 FOR 120VAC OR 133607 FOR 240VAC)
The contactor board is used for 3-Phase (380VAC) Suction Pump Motor Control. Self-contained dispensers have the pump motor
mounted in the lower hydraulic area. Power is passed to the pump motor using the pump motor relay located on the CPU board in the
electronic enclosure.
COMPONENT DESCRIPTION
The following is a description of the terminal strips and pinouts used on the 3-Phase Contactor Board.
TS2 L1 Motor Power (1
st
Motor power)
The handle switch signal can be used to signal the console that the pump is “IN USE”. Some fleet systems require this signal and some do
not.
Pin Description
L1 (brown) Hot Motor Power
L2 (orange) Hot – Motor Power
L3 (yellow) Hot – Motor Power
LIGHT EMITTING DIODES
There are several LEDs can be used for troubleshooting. See below for more information.
LED
Color
Description
D2
Red
Loop 1 Transmit
D5
Green
Loop 1 Receive
D6
Yellow
Loop 1 Transmit/Receive (Off = Transmit/ On = Receive)
TS2