Haws 9327 - Manual (Page 9)

5) The LEFT and RIGHT buttons shift the display from one
screen to another. From the INLET TEMP screen, one
press of the RIGHT button will shift the display to the
SETPOINT TEMP screen. INLET TEMP shows the actual
temperature of the water entering the heater.
6) From the SETPOINT TEMP screen, one press of the
RIGHT button will shift the display to the ACTUAL TEMP
screen. This shows the actual temperature of the water
leaving the heater.
7) From the ACTUAL TEMP screen, one press of the RIGHT
button will shift the display to the LOAD PCT screen. This
shows the electrical power consumption as a percentage
of full power.
8) From the LOAD PCT screen, one press of the RIGHT
button will shift the display to the FLOWRATE screen. This
shows the rate of flow of water through the heater.
9) From the FLOWRATE screen, one press of the RIGHT
button will shift the display to the UNITS screen. This
shows the units of measure in either the ENGLISH or
METRIC systems. ENGLISH units are degrees Fahrenheit
and gallons per minute. METRIC units are degrees Celsius
and liters per second. Use the UP and Down buttons to
select the desired units of measure.
10) From the UNITS screen, one press of the RIGHT button
will shift the display to the SOFTWARE REVISION screen.
This shows the revision level of the software in the
control.
11) From the SOFTWARE REVISION screen, one press of
the RIGHT button will shift the display to the ERRORS
screen. This shows the error history of the heater.
“0 ERRORS” means that no errors have occurred.
If the heater has an error history of 4 errors; this history
will be displayed on the screen as shown. “CODE 1:E0”
refers to the first error and indicates it to be an E0 error.
One press of the UP button will show the second error as
“CODE 2:E0” and having the same E0 error.
Continued pressing of the UP or Down buttons will scroll
through each of the errors in the history (in this case a
total of 4). ERRORS indicate an undesirable condition but
will not shut down the operation of the heater.
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