Gasboy Atlas Start-up - Manual (Page 71)

MDE-4334D Atlas™ Start-up and Service Manual · July 2013 Page 5-11
Component Overview Electronic and Electrical Components
Component Overview
Figure 5-2 shows the electronic components found in Atlas 8800 Retail unit. It is a typical
Atlas 8800 electronic system. For proper service, the technician must possess knowledge of
the functions of components and how they relate to the system.
Part Number Description
T18350-G3 Pulser Assembly
T18994-G1 Hydraulic Interface PCA
T19868-G1 Main Power Supply
T20092-G1 Pump Controller PCA
T17701-G1
~ OR ~
T18981-G1 LCD Main Display PCA
While learning to operate the system, use a copy of this illustration for reference until you are
completely familiar with the system. This information is supplied with the Service Launch
Package. The prime functions of boards, devices, and service details are covered in
“Hydraulic/Mechanical Components” on page 5-1 .
Figure 5-2: Atlas 8800 Electronics Retail Unit
Pulser (T18350-G3)
Main Display (T18981-G1)
2 Locations
Graphics Overlay (T17549-G1)
P204
Display Data
P205
P203
Manager’s
Keypad
Pump Controller
(T20092-G1)
P206
P207
P208
P-307

STP and Valve Signals from
the Pump Controller Board
P406 
Driver Signals to
the Totalizers
P309 
AC Signals to the
Valves and

STP/Motor Relays
P305

Handle Switch, Pulser Data to
the Pump Controller Board
and +5 VDC from the Pump
Controller Board P308

24 VAC from the
Power Supply
Valve Feed and
Transformer
Assembly
Two-wire Data
P306 
+14 VDC to

the Pump
Controller board.
P405 
Handle Switch and Pulser Data
Main Power Supply (T19868-G1)
110 VAC to Valves and STPs 
4.7 VAC to Display Backlights