Preparing field wiring, Preparing field wiring -15 – Gasboy Atlas Fuel Systems Installation Manual User Manual
Page 45

MDE-4331M Atlas® Fuel Systems Installation Manual · September 2014
Page 6-15
Wiring Dispenser (STP-supplied Unit) for All Models
Installation
Wiring Dispenser (STP-supplied Unit) for All Models
The electrician will be routing the conduit to a factory-installed J-box. For pump wiring, refer
to
“Wiring Pump (Self-contained Unit) for All Models”
on
.
Preparing Field Wiring
To prepare for field wiring, proceed as follows:
1
Open the side 1 lower door. For instructions, refer to MDE-4334 Commercial and Retail Series
Atlas Start-up/Service Manual.
2
Remove the box cover and retain for re-assembly.
3
Ensure that the seal-off “Y” fitting has been installed and sealed as a first connection, where
the conduit leaves the ground. This fitting must be in place and sealed before proceeding
further. For more information, refer to MDE-4333 Atlas Fuel Systems Site Preparation
Manual.
4
Run a 1-inch rigid conduit to the J-box. Run the field wiring to the main J-box through a
1-inch J-box conduit. Make connections to the 1-inch conduit with class 1, division 1,
explosion-proof conduit union.
5
Wiring must be gas- and oil-resistant, color coded or tagged for identification purposes, and
rated for 300 V or later. Data wires for new installations (of electronic retain units) must be a
twisted-pair (unshielded) with 10 to 12 twists per foot. For complete wiring information, refer
to FE-356 Field Wiring Diagram Atlas Retail, Commercial, E85, and DEF Dispensers with
Electronic and Mechanical Displays and FE-357 Field Wiring Diagram Atlas
Retail/Commercial Pumps Electronic and Mechanical Units.