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MDE-4813D CFN PLUS Installation Manual · February 2018
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2-4.2. Conduit Requirements
Conduits must comply with:
•
All conduits must be made and installed according to local regulations.
•
High-voltage AC and low-voltage DC must NOT be combined in a common conduit,
junction box or wire through.
•
RS-485 or LAN communication must not exceed 330 feet (100 m). Cables must be
inserted in a separate low voltage conduit, away from AC wires. Communication
range can be extended with 3rd party devices.
•
RS-232 communication must not exceed 50 feet (15 m). RS-232 communication
cable must be inserted in a separate low voltage conduit, away from AC wires.
Communication range can be extended with 3rd party devices.
•
Antenna wire must not exceed 330 feet (100 m) in case the VIU is in use, and 50 feet
(15 m) in case the FuelOPass is used. Antenna wire must be inserted in a separate
low voltage conduit, away from AC wires.
•
All conduits must be inserted in the CFN PLUS enclosure through the openings provided in
the bottom panel (see
Figure 2-1 ). Connect the wiring through optional glands or
appropriate metal tubing. For UL/cUL listing, this product has only been evaluated for use
without the optional glands. If you must make holes at locations other than those provided,
contact Gasboy for approval.
•
After completing the installation, all open holes should be sealed.
2-4.3. Conduits at CFN PLUS
The bottom panel in the CFN PLUS includes four openings of 3/4-inch diameter for the insertion of
cables into the unit (see
Figure 2-1 ).
Connect the wiring through optional glands or appropriate metal
tubing.
For UL/cUL listing, this product has only been evaluated for use without the optional
glands. The cables and wires to/from the other units in the forecourt are connected to the Terminal
Block. The cables and wires are inserted through the conduits in accordance with their types and
routed to their sources.
The conduits serve the following purposes:
•
One conduit is intended for high voltage cables, and is located at the rear of the panel.
•
Two conduits are intended for low voltage cables.
•
One conduit is intended for the Barrier with Intrinsically Safe Signal.