Automatic/Manual (Bypass) Operation; Hose Control; Fmu Power Requirements; Surge Protection - Syn-Tech Systems FuelMaster FMU-2500 Classic Installation Manual

FuelMaster Installation Manual
®
All current versions of the standard FMU are delivered with an alpha-numeric keypad, a 33.6k
baud modem, a Type II compact flash memory card (for current and future memory requirements),
weatherproof Prokee , Smartcard, and/or magnetic stripe card receptacles, and a backlit display
®
for visibility at night. A 4x4 keypad with 10 digits, 4 letters, ENTER/YES, and CLEAR/NO keys is
available, if desired.

Automatic/Manual (Bypass) Operation

. Automatic/Manual Mode Switches are provided
in the FMU behind a locked door to individually select automated or bypass operation of each
controlled dispensing hose. Normal, automated operation requires authorization from the FMU to
activate a dispensing hose.

Hose Control

. Controlled hoses may be connected mechanically or electronically. Mechanical
hoses connect directly to an FMU. Electronic hoses require intermediate equipment between the
FMU and dispensing equipment to gain control of the hoses. Electronic hose control is made
possible through the use of an Electronic Dispenser Interface (see Appendix G).

FMU Power Requirements

. FMUs are available for connection to 110 VAC or 220 VAC, and
configured for U.S., Canadian, or European certification. They may be used to control DC as well
as AC devices. The base configuration is 110 VAC operation and U.S. certification. Any deviations
from the standard configuration must be stated in the equipment order.

Surge Protection

. AC power and telephone line surge protection is standard equipment on
every FMU. Additional surge protection is available, where needed, for connected transaction
printers, satellite FMUs, and tank monitors.

Communications with Central Controller

. Master FMUs communicate with the Central
Controller to download transaction data and upload authorization and configuration information.
Communications with the Central Controller may be through a telephone (hard wire, telephone
line extender, or digital cell phone signal), network (hard wire or wireless), or direct (RS-232)
connection.

Integral Heater Pads

. FMUs have integral heater pads in the upper cabinet and lower
pedestal to maintain a safe operating temperature and remove moisture. The heater pads are
thermostat controlled and begin to apply heat at approximately 70 degrees F. As the temperature
decreases, more power is applied and more heat results. The heater pads only function when
power is applied to the FMU and the FMU power switch is turned on. For best operating
efficiency, leave the FMU powered after installation.

Program Memory

. Classic FMUs use EPROMs to store the operating program. Updates to
the programming of classic FMUs are made by replacing the EPROM. Plus FMUs have a flash
mainboard. Program updates may be made by either of two methods: 1) by uploading a new
firmware program to the FMU through a communications connection, or 2) by transferring a new
program to the FMU from a flashloader board plugged into the FMU mainboard.

Counting Rapid Pulse Inputs

. There are some dispenser interfaces which generate a very
large quantity of pulses due to a combination of high flow rates, high divide rates, wide pulse
widths, etc. The dispenser may not have the ability to deliver the pulses as fast as they may be
generated. The FMU will continue to count pulses up to 10 seconds after the transaction is
completed to ensure all pulses are delivered to the FMU.
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