| NX25-120 & NX25-240 SERIES AC FUEL TRANSFER PUMPS
Operational Safety
DANGER! DO NOT
use pump in enclosed areas when pumping hazardous or explosive fluids. Pumping area should be well ventilated. Concentrated vapors in an
enclosed area are noxious and highly explosive!
WARNING! NEVER
disconnect the power wiring from the pump while pump is switched on or connected to a power source.
ALWAYS
switch the pump off and
disconnect the power source
PRIOR
to disconnecting the power wiring from the pump. Electrical shorts, sparks, or unexpected start up can occur.
WARNING!
Use caution when operating the pump. The hoses can be
a trip hazard; caution should be exercised while moving around the
hoses to avoid tripping or entanglement.
WARNING!
Pump assembly can become hot with extended use. Use
caution if you have to touch the pump after extended periods of use.
1. Remove the junction box cover and straighten the wires to make sure the stripped
wire ends are accessible outside the junction box.
2. Connect the pump wires to the power supply lines according to the diagram.
Be certain to properly insulate the connections with the appropriate wire nuts or
other connectors. Note that the ground wire MUST be connected. The conduit
connection is ½" NPT threading.
3. Fold the wires back into the junction box and replace the cover, making sure the
cover gasket is in place. Torque fasteners to 44 in‑lbs with 4mm hex key.
IMPORTANT!
Be certain the gasket for the cover is in place, and the screws draw the cover down tight over the junction box. There must be no gap between the
junction box and it’s cover.
Electrical Wiring
WARNING!
Electrical wiring should be performed ONLY by a licensed electrician in compliance with local, state, and national electrical code NEC/ANSI/NFPA 70,
NFPA30, and NFPA 30A, as appropriate to the intended use of the pump. Threaded rigid conduit, sealed fittings, and conductor seal should be used. The pump
must be properly grounded. Improper installation or use of this pump can result in serious bodily injury, or death!
CAUTION!
All pumps should be operated at the Rated Nameplate Voltage. Power should be supplied to the pump from a dedicated 20 amp circuit breaker. No
other equipment should be powered by this circuit. Wiring must be of sufficient size to carry the correct current for the pump. Voltage drop will vary with distance
to pump and size of wire; refer to the National Electrical Code (NEC), or local codes, for Voltage Drop Compensation to be sure you are using the correct size
wire for your application.
Wiring Procedure
120 VOLT WIRE DIAGRAM
240 VOLT WIRE DIAGRAM
MOTOR
BLACK
WHITE
GREEN
N
L1
MOTOR
BLACK
WHITE
GREEN
L2/N
L1
