Magnetic Starter - 30A, 120/240V Coils

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Isabel Austin
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1 Manual No: Revision: B Magnetic Starter - 0A, 120/240V Coils Wiring Guide

2 Magnetic Starter Wiring Diagrams for 0 Amp, 120/240 Volt Coils Introduction This Magnetic Starter is a phase, full voltage across the line starter with the coil factory wired for volts (Figure B). It may also be wired for 120 volts. Check with the local power company to see if their power source is adequate for your requirements. Wiring diagrams are provided to show typical wiring schemes depending upon the pump model and desired coil voltage. Safety Precautions The following safety symbols are used throughout this manual to alert you to important safety hazards and precautions. EXPLOSIVE Fuels and their vapors are extremely explosive if ignited. FLAMMABLE Fuels and their vapors are extremely flammable. ELECTRICITY High voltage exists in, and is supplied to, the device. A potential shock hazard exists. OFF TURN POWER OFF Live power to a device creates a potential shock hazard. Turn Off power to the device and associated accessories when servicing the unit. WARNING This magnetic starter is to be installed in systems operating near locations where highly combustible fuels or vapors may be present. Fire or explosion resulting in serious injury or death could result if the equipment is improperly installed or modified. Serious contamination of the environment may also occur. Read and follow all instructions in this manual, including all safety warnings. Comply with all applicable codes including the National Electrical Code (NFPA70); the Automotive and Marine Service Station Code (NFPA0A); federal, state, and local codes; and other applicable safety codes. WARNING OFF This magnetic starter contains high voltages which can be lethal. It is also connected to low power devices that must be kept intrinsically safe. Do not connect the Magnetic Starter AC power supply wires at the breaker until all devices are installed. Connecting power wires to a live circuit can cause electrical shock that may result in serious injury or death. These starters are designed to be used with copper wire - DO NOT USE ALUMINUM WIRE! WARNING Explosive vapors or flammable liquids could be present near locations where fuels are stored or being dispensed. The Magnetic Starter is not explosion proof. Do not install this device in a volatile, combustible, or explosive atmosphere. An explosion or fire resulting in serious injury or death, property loss and equipment damage could occur if the Magnetic Starter is installed in a volatile, combustible, or explosive atmosphere (Class I, Division 1 or 2). 1

Wiring diagrams are provided to show typical wiring schemes depending upon the pump model and desired coil voltage.

3 Troubleshooting the Installation OFF WARNING! Lockout and tag power before performing either of these two procedures. 1. If nuisance tripping occurs, check for proper heaters, loose connections, and severe arcing or pitting of s. 2. If the pump rotates backwards as evidenced by low pressure and flow, correct rotation by reversing any two of the three power wires to the pump. A To 208/20V Supply N B To 208/20V Supply 120 V wired for 20 V to pump motor, 120 V from Isotrol or dispenser switch. (Remove red wire connecting to ). Rewire red wires at coil. wired for 20 V to pump motor, 20 V to dispenser switch. LEGEND rjpumps/ms v1.eps Overload heater closed open Screw terminal by installer by manufacturer 2

If the pump rotates backwards as evidenced by low pressure and flow, correct rotation by reversing any two of the three power wires to the pump.

4 C To 208/20V Supply N D 120 V To 575 V Supply N To 120 V Supply E 220/240 V To 80/415V Supply N wired for 20 V to pump motor,120 V to dispenser switch. Rewire red wires at coil. wired for 575 V to pump motor, 120V from Isotrol or dispenser switch. (Remove red wire connecting to ). Rewire red wires at coil. wired for 400 V to pump motor, 20 V from Isotrol or dispenser switch. (Remove red wire connecting to ). F To 80/415V Supply G RED ORG BLK BLU BLU GRN Junction box in manifold 5-Wire electrical interlock Extractable packer Thermal overload protector wired for 400 V to pump motor, 20 V to dispenser switch. STP Motor rjpumps/ms v2.eps

5 H To 80/415V Supply N I To 80/415V Supply N 220/240 V wired for 400 V to pump motor, 20 V from Isotrol or dispenser switch. (Remove red wire connecting to ) (see diagram J) NOTE: Coil above is wired for 400 V to pump motor, 20 V to dispenser switch. (see diagram J) J Junction box in manifold R Electrical interlock Extractable packer On-winding overload protectors STP G O Motor LEGEND Overload heater closed open Screw terminal by installer by manufacturer rjpumps/ms80-415v.eps Veeder-Root All rights reserved. 4

(see diagram J) J Junction box in manifold R Electrical interlock Extractable packer On-winding overload protectors STP G O Motor

6 For technical support, sales or other assistance, please visit:

DC400 Dispensing Cutoff System

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