Gasboy Atlas Fuel Systems Installation Manual - Manual (Page 27)

MDE-4331M Atlas® Fuel Systems Installation Manual · September 2014 Page 5-1
Purpose Control Lines for Atlas Mechanical Series
5 – Control Lines for Atlas Mechanical Series
Purpose
This section is provided to familiarize the installer with control inputs and outputs that are
available for the Atlas mechanical series dispensing unit. It is recommended that installers
read these descriptions to obtain a better working knowledge of the unit to guide them in
planning the site wiring. For specific wiring diagrams and installation notes, refer to
“Installation” on page 6-1 .
The Atlas mechanical series may be provided for use with 230 VAC power for international
applications. The operating voltage for control lines to these units is shown in parentheses as
(230 VAC international).
If you are connecting the Atlas mechanical unit to a Gasboy FMS, refer to the following
documents:
Grounding
To ensure proper operation of the equipment and required safety factors, a good ground line
must be provided. A ground wire (preferably green) must be connected between the unit’s AC
J-box ground lug and main electrical service panel. One earth ground connection is required
per unit. The ground rod must be a solid, corrosion-resistant conductor that must be installed at
the main electrical panel as per the NEC. It must be properly tied into the ground bus strip of
the panel. It is recommended that the neutral and ground bus strips be bonded together (unless
prohibited by local codes).
GFI breakers are required for DEF only units installed on and with a skid tank platform
because of no underground piping, AC power in potentially wet area, and a potential for earth
ground to become broken if skid tank moves.
A GFI works by having a sensor that detects changes in current to the load, by comparing the
current owing to and from the load. A drop off in the current equivalent to about 5 mA, turns
off all power by tripping a relay within the GFI within a few hundredths of a second.
When powering a dispenser with a GFI, any device that the dispenser supplies power must
have its return to the same neutral as the dispenser (for example, the STP control relay).
Document
Number
Title GOLD Library
MDE-4298 CFN Series Site Controller III Installation Manual Gasboy CFN Series
MDE-4319 TopKAT Fuel Management System Installation Manual Gasboy Series 1000/Fleetkey & TopKAT
MDE-4811 Islander PLUS and ICR PLUS Installation Manual Gasboy Fleet PLUS System
MDE-4813 CFN Plus Installation Manual Gasboy Fleet PLUS System
MDE-5013 TopKAT PLUS installation Manual Gasboy Series 1000/Fleetkey & TopKAT