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GASBOY Series 9820Q
20
MDE-4339 9820Q ASTRA Installation/Operation • July 2004
Conduit
All wiring to the GASBOY Series 9820Q dispensing unit must be installed in threaded, rigid,
metal conduit.
PVC IS NOT ACCEPTABLE.
Wiring between the 9820Q register and pumping
unit is installed in a single conduit. This includes the wiring for the AC control of the pumping
unit and the internal pulser. A special cable, as described in Section 4, Wire Size, must be used for
the connection between the pulser inside the pumping unit to the register assembly.
It is recommended that high voltage AC power wires to the register assembly (not between the
register and pumping unit), be installed in separate conduit from the low voltage pulser output
wires (when used). However, if AC and DC power wires share conduit, DC wiring must consist of
UL-Listed cable with the specifications described in Section 4,
Wire Size
. Only AC wires for the
system and dispensers can be installed in this conduit for this application. Wiring between a Fuel
Point Reader (FPR) and its pre-amp junction box is intrinsically safe and must be run in a conduit
with only other intrinsically safe wiring. It cannot be run in conduit with AC, DC, RS-485, or
pulser wiring, regardless of the cable type used. See the
Fuel Point Reader Installation and
Retrofit Manual, C35628
for details.
The GASBOY Warranty will not apply to any dispenser in which the AC and DC wires are run in
the same conduit, J-Box or wireway except as noted. The GASBOY Warranty will not apply to
any dispenser using PVC as conduit.
When the GASBOY Series 9820Q dispensing unit is being installed with a fuel management
system other than a GASBOY system, see the manufacturer's installation manual for their specific
conduit requirements.
All wiring and conduit runs must conform with all building/fire codes, all Federal, State, and Local
codes, National Electrical Code, (NFPA 70), NFPA 30, and Automotive and Marine Service
Station Code (NFPA 30A) codes and regulations. Canadian users must also comply with the
Canadian Electrical Code.
Use the following charts as a guideline for determining the necessary conduit sizes for wiring of
the GASBOY Series 9820Q dispensing unit. When actually determining the size of conduit, it
may be necessary to increase the size of conduit because of a long run or large amount of bends.
The installer should determine the orientation of the wire runs according to the layout of the
components at the site and the applicable GASBOY wiring diagrams.
To determine conduit size needed, use the THHN/THWN Wire Areas table (left) to find the area
for each wire gauge. Add up all wire areas. Use the Areas of Trade Size Conduit Table (right) to
select the smallest number in the 25% fill area (based on NEC 501-1) that comes closest without
exceeding the total wire area.
Содержание ASTRA 9820Q Series
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