Hazardous Area Examples
Classified Areas Adjacent to Dispensers
0.5 m (18 in.)
0.5 m (18 in.)
6 m
(20 ft)
6 m
(20 ft)
Below grade sump
6 m (20 ft)
SIDE VIEW
Storage Tank
SIDE VIEW
6 m (20 ft)
6 m (20 ft)
Storage Tank
Storage
END VIEW
Tank
6 m (20 ft)
6 m (20 ft)
Class I, Div 2 or Class I, Zone 2
END VIEW
Before Installation - Site Survey
6 m (20 ft)
5 m (18 in)
Complete the following steps before beginning installation of Fill-Rite FMS hardware.
Failure to perform the below checks may result in the Fill-Rite FMS or fuel equipment
being damaged or not working as intended.
Class I, Div 2 or Class I, Zone 2
1. Turn off all power to the pump and tank
20 ft)
2. Ensure that your installation location meets the following physical requirements:
Storage
• Hardware will be mounted outside of hazardous zones - see warnings
for more information
• Hardware dimensions for mounting:
NXFM100 - 8" H x 11.5" W x 5.75" D
5 m (18 in)
NXFM150 - 12" H x 15.5" W x 5.25" D
• Installation location has clear line of site to pump, or is otherwise placed in
location where wireless signal will not be blocked or degraded
20 ft)
• Installation location has no wiring obstructions
3. Ensure that your site power supply and fuel equipment is compatible with Fill-Rite
FMS's hardware. See Compatibility / Specs for more information
Class I, Div 1 or Class I, Zone 1
4. The Expansion Module needs to be physically connected to the Site Controller
through shielded twisted pair RS-485 wire. The maximum distance the RS-485
connection is 5000 feet, however, the Wi-Fi range of the Site Controller is
only 150 feet
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FUEL MANAGEMENT SYSTEM
0.5 m (18 in.)
6 m (20 ft)
6 m
(20 ft)
Below grade sump
6 m (20 ft)
Below grade sump
6 m (20 ft)
SIDE VIEW
0.5 m (18 in)
Storage Tank
6 m (20 ft)
Storage
6 m (20 ft)
6 m (20 ft)
Tank
0.5 m (18 in)
0.5 m (18 in)
0.5 m (18 in.) high
6 m (20 ft)
6 m (20 ft)
END VIEW
Class I, Div 1 or Class I, Zone 1
6 m (20 ft)
Storage
0.5 m (18 in)
Tank
Class I, Div 2 or Class I, Zone 2
TOP VIEW
6 m (20 ft)
6 m (20 ft)
Tank
0.5 m (18 in.) high
Dispenser
(20 ft)
Classified Areas Adjacent to Dispenser Mounted on Above-Ground Storage Tank
SIDE VIEW
6 m (20 ft)
6 m (20 ft)
6 m (20 ft)
6 m (20 ft)
END VIEW
TOP VIEW
0.5 m (18 in)
6 m (20 ft)
6 m (20 ft)
Storage
0.5 m (18 in)
Tank
Storage
Dispenser
Tank
6 m (20 ft)
Class I, Div 1 or Class I, Zone 1
Hardware Installation NXFM100 Wiring
Fill-Rite FMS Hardware Power In / Power Out
Fill-Rite FMS piggybacks power off of the AC input. Your wiring configuration will
depend on whether the pump runs on AC or DC power. For use with DC applications,
an additional Class 2 power supply is required for the board's power. (Class 2 as
Class I, Div 1 or Class I, Zone 1
defined by UL 1238).
a) Class 2 (Low-Voltage) - A circuit involving a potential of not more than
42.4 volts peak suppled by:
1. An energy-limiting Class 2 transformer;
2. A nonenergy-limiting Class 2 transformer and an overcurrent protective device that
has been evaluated for limiting energy to Class 2 levels;
3. The combination of an isolated transformer secondary winding and a fixed
impedance or reliable regulating network which complies with the applicable
performance requirements for an energy-limiting Class 2 transformer;
4. A dry cell battery having output characteristics no greater than those of an
energy-limiting Class 2 transformer; or
5. The combination of a rechargable battery and a fixed impedance or reliable
regulating network which complies with the applicable performance requirements
for an energy-limiting Class 2 transformer.
INSTALLATION AND OPERATION MANUAL
6 m
Below grade sump
6 m (20 ft)
6 m (20 ft)
6 m (20 ft)
Storage Tank
6 m (20 ft)
6 m (20 ft)
6 m (20 ft)
6 m (20 ft)
6 m (20 ft)
Storage
Tank
6 m (20 ft)
6 m (20 ft)
TOP VIEW
Class I, Div 2 or Class I, Zone 2
TOP VIEW
6 m (20 ft)
Storage
Tank
0.5 m (18 in.) high
6 m (20 ft)
0.5 m (18 in.) high
Dispenser
6 m (20 ft)
0.5 m (18 in)
Storage
Tank
0.5 m (18 in)
Class I, Div 1 or Class I, Zone 1
Dispenser
4
TOP VI
0.5 m (18