4.5 - GREEN MACHINE
™
- North America - Installation, Operation, Maintenance, & Troubleshooting Manual
Chapter 3: Electrical
Page 52
3.2
Electrical Installation
•
The VST Control Panel and the GREEN MACHINE Internal Junction Box arrive from the factory pre-wired
and completely tested.
•
The Electrical Contractor is responsible for supplying all additional wires, conduits, fittings, seal-offs,
outlets, and the Safety Disconnect Switch required to install the GREEN MACHINE and meet regulation
requirements and standards.
•
All wiring must be gasoline and oil resistant.
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A LOCKABLE SAFETY DISCONNECT-SWITCH MUST BE INSTALLED BY THE GREEN MACHINE:
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Must be wired per included drawings.
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Should be installed within eye-sight of the GREEN MACHINE for safety reasons.
•
Must not be installed within 3 feet of the GREEN MACHINE.
•
Consult the NEC for restrictions, location, and type of disconnect.
•
The GREEN MACHINE is installed in a Class I, Division 2 hazardous location and therefore requires
electrical seal-offs when connecting to ordinary, non-hazardous electrical locations. Consult the NEC and
NFPA for installation instructions.
•
All wiring (115 VAC and 24 VDC) to be TFFN or THHN with 600V insulation.
•
The contractor is responsible for sizing the wire, cable, and conduit according to the NEC.
•
All power (115 VAC and 24 VDC), the neutral, and the ground wires connected to the GREEN MACHINE
will be disconnected when:
•
The Power Switch on the front of the VST Control Panel is turned OFF.
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The station Emergency Shut-Off is activated.
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The Safety Disconnect Switch at the GREEN MACHINE is opened.
•
Power is turned OFF to the VST Control Panel at the electrical distribution panel.
•
CAUTION: SAFETY PRECAUTION
•
BE SURE THE BREAKER INSIDE THE PANEL IS LOCKED OUT/TAGGED OUT PRIOR TO THE
INSTALLATION.
3.3
Electrical Installation Code Requirements
•
According to NFPA 30:
•
“Electrical wiring and
electrical utilization equipment shall be a type specified by and be
installed in accordance with NFPA 70. Electrical wiring and electrical utilization equipment
shall be approved for the locations in which they are installed.”
•
All electrical wiring and electrical utilization equipment must be installed to meet federal, state, and local
codes.
•
Flexible electrical conduit connections to the GREEN MACHINE may be required by local jurisdictions to
meet code requirements.
•
Following such procedures may be required by local, state, and national authorities.
•
You must install the GREEN MACHINE in accordance with the National Electric Code (NEC),
NFPA 70, and with the Automotive and Marine Service Station Code
(NFPA 30A).
•
According to NFPA 30A:
“Electrically energized vapor
-recovery equipment shall be directly connected to and controlled
by the emergency pump
shut off in Section 5202.4.7.”