4.5 - GREEN MACHINE
™
- North America - Installation, Operation, Maintenance, & Troubleshooting Manual
Page 18
GREEN MACHINE Theory of Operation
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The VST GREEN MACHINE operates based on monitoring the Underground Storage Tank
(UST) system pressure.
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The GREEN MACHINE controller provides UST pressure data via a pressure transducer,
located in the GREEN MACHINE, and manages the GREEN MACHINE operation.
•
The pressure data is provided to the VST Control Panel for system monitoring functions.
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The closed loop vapor piping solution continuously operates the system to control UST
pressure below 0.2 IWC.