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PIP® (Power Interruption Protection)
United States Patent No. 5,649,818
Description:
The Banner-Day
PIP® Power Interruption
Protection System, used in conjunction with the Banner-Day Automatic Ignitor
Sensor System, allows direct-fired oven burners to automatically re-light without the need to re-purge the oven,
in the event of brief electrical power interruptions.
Operation:
During typical direct
fired oven operation, when an electrical power failure occurs, the main gas
safety shutoff valves close, and the exhaust and combustion air blowers stop.
A direct fired oven equipped with a DSI System and the Banner-Day PIP® gas train option would not require
the oven to be re-purged, provided the power outage is less than 8 seconds. The patented Banner-Day
PIP® system allows the main gas safety
shutoff valves and each burner solenoid valve to close for the duration of the
power outage. Upon the restoration of power, the exhaust fan and combustion
blower will re-start, the main gas safety shutoff valves will open and the DSI System will automatically re-light each
burner. The Banner-Day PIP® System has been Factory Mutual approved and
meets all OSHA and NFPA 86 requirements.
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