Gasboy TopKAT Fuel Management System Installation - Manual (Page 97)

MDE-4319E TopKAT™ Fuel Management System Installation Manual · August 2008 Page 91
Control Lines for Mechanical Pumps/Dispensers Mechanical PCU Option
Neutral Feed
This is the AC current return line to the breaker panel for all attached devices (pump motor,
reset motor, solenoid valves). The gauge of this wire must be equal to that of the pump motor
feed (suction pumps) or submersible feed (dispensers).
Submersible Feed, Submersible Drive
This is a 115 VAC input which is supplied to the input side of one of the internal switches of
the electric reset. This line should be switched through the TopKAT system and only be on
when the pump/dispenser is authorized or in manual mode. When the reset finishes its cycle,
the 115 VAC input to the switch is passed through as an output (submersible drive) to drive a
starter relay or to directly drive a submersible motor up to 3/4 HP at 115 VAC or 1-1/2 HP at
230 VAC. Any submersible motor exceeding this limitation must use a starter relay.
Note: 230 VAC is developed across a motor when the other leg of the motor is connected to a
Phase 2 Feed.
Reset Complete (Switch Detect)
This is a 115 VAC output which is used to indicate if the reset is complete and the pump/
dispenser is ready to dispense the product. Two lines are provided for twins. This line should
only be used when monitoring of the pump/dispenser is desired (such as when used with a fuel
management system). This line must be capped when not in use.
Light Feed
This is a 115 VAC input required to power optional fluorescent lights that may be available in
a pump/dispenser. In a site configuration using multiple dispensers (or pumps), the power for
the lights of up to eight units can be supplied by one breaker. The light feed is not controlled
by the TopKAT system.
Light Neutral
This is a return line for AC current from the lights to the breaker panel.
Phase 2 Feed
This is a hot feed which is the opposite phase of the pump motor feed. This line and the pump
motor feed are used for 230 VAC motor applications.
Pulser - Mechanical Pump
This supplies a DC output which is provided to indicate the quantity dispensed.