Pulling The Field Wires; Installing The Wire Separator; Proper Equipment Grounding - Bennett 3700 Series Installation Manual

Open the lower door on the dispenser on side 1 and locate the inlet wiring electrical conduit. The
conduit is located on side 1 in the center. This conduit is where all of the field wires will be pulled into
the Electronics enclosure. Side 1 of the dispenser is the side with the serial plate on the inside deck. If
this dispenser was ordered with a junction box, open the explosion proof junction box. The junction box
is located on side 1 in the lower (hydraulics) area. Otherwise, open the upper electronics enclosure door
on side 1 and locate the field wiring conduit. Pull the dispenser wires through the underground conduit
and into the upper electronic enclosure. Make sure that the copper ends of the wires are clean and free
of oxidation.
Underwriters Laboratory, the local Fire Marshall and a
safe installation requires that a wire separator be
installed on the wires as they are routed through the
conduit and into the dispenser's electronic enclosure.
The wire separator holds the wires apart to ensure that
the seal off compound fully seals around each wire.
Apply the seal off compound during the last step of the
installation. This will prevent gasoline fumes from
working their way into the electronic enclosure. The
wire separator is supplied in the plastic bag located
inside the dispenser electronic enclosure. Run each
field wire through a hole in the wire separator and then
push the wire separator into the conduit at least 3/4".
Make sure the "Chico" type fiber material has already
been pushed into the conduit, around the wires as
shown in figure 15.
Instructions for Earth Grounding the Equipment
WARNING: Failure to properly ground the equipment can cause injury or damage to the
equipment and will void the Bennett limited warranty.
This product must be properly grounded. Each dispenser requires a 12-gauge Green earth ground wire.
Grounding provides a path of least resistance for electric current to reduce the risk of electric shock.
Grounding is also required to protect the dispenser's computer from external electrical noise generating
devices. The ground wire connection must provide 1 ohm (or less) resistance to earth ground. To
establish a good earth ground, follow this procedure:
1. Connect a 12-gauge (minimum), green stranded wire to the grounding terminal on the electronics
enclosure deck. Only one ground wire is required per dispenser.
2. Pull the wire through the rigid metal conduit and connect it directly to the ground bar of the MAIN
electrical service panel, not a sub-panel. Do NOT rely on the metal conduits as a ground anywhere
in the system.
DO NOT USE WIRE NUTS ON GROUND WIRES. USE COMPRESSION CONNECTORS ONLY.
3. Do not daisy-chain ground wires. All ground circuits must be dedicated wires connected directly to
the ground bar in the main electrical panel. A direct connection to the site's ground rod must be
connected to the ground bar in the main electrical panel.

Pulling the Field Wires

Installing the Wire Separator

Proper Equipment Grounding

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Figure 15 - Wire Separator
120001 Rev K 1-19-18