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6. Pressing the “Maintenance Button” followed by the “H” button will display a sequence of error
codes, if any, stored in memory that has been experience. Any current error codes will be
displayed on the digital monitor.
7. To display the water flow through the water heater with hot water in use, depress the “H” button
for 2 seconds and then simultaneously press the “M” button. (GPM = Display Readout X 0.1).
8. To display the outlet water temperature while in use, depress the “C” button for 2 seconds and
then simultaneously press the “M” button.
Main Control for Commercial Models (Fig 7)
CAUTION
Check local codes for the maximum water temperature setting allowed when used in nursing homes,
schools, day care centers, and all other public use applications.
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