American Water Heater Residential Gas Water Heaters Benutzerhandbuch

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DISPLAY SETTINGS
DESCRIPTION/ACTION
DISPLAY
Select  Display  Settings  from  the  Main  Menu  and  press  the 
Operational Button under "SELECT" to enter this menu. This menu 
contains adjustable display options for viewing information on the 
LCD screen. Use the Up & Down Buttons to navigate the menu.
• 
Temperature Units - Adjustable user setting that changes 
temperature units display to Celsius °C or Fahrenheit °F.
• 
Backlight Delay - Adjustable user setting that determines how 
long the LCD backlight remains illuminated after a key has 
been pressed. Available settings are; Always Off, 10, 30 or 60 
seconds and Always On.
• 
Contrast - Adjustable user setting to adjust the LCD screen 
contrast between text and background.
NOTE: These settings are adjusted in the same way described 
for the Operating Set Point and Differential Adjustment.
Temperature Units  
°F
Backlight Delay  
30s
Contrast  
60%
  CHANGE 
BACK 
HELP
Display Settings
HEATER INFORMATION
DESCRIPTION/ACTION
DISPLAY
Select  Heater  Information  from  the  Main  Menu  and  press  the 
Operational Button under "SELECT" to enter this menu. This menu 
contains non adjustable operational information.
• 
Elapsed Time - Total accumulated time the control system 
(water heater) has been energized.
• 
Burner On Time - Total accumulated time the control system 
has been in the heating operating state; burner run time.
• 
Total Cycle Count - Total accumulated count of heating 
cycles.
• 
Config CRC - A number associated with the configuration 
data.
• 
CCB Version - Software version for central control board.
• 
UIM Version - Software version for user interface module.
NOTE: Historical data is stored in the CCB's memory. If this CCB 
is replaced during servicing the historical data on the CCB being 
replaced will be lost. The data stored in the new circuit board will 
no longer reflect the entire history of the water heater.
The Elapsed Time, Burner On Time and Cycle Count indicate 
age, usage and wear.
If the Cycle Count per day is high (divide cycle count by days 
to  determine  cycles  per  day)  or  the  cycle  duration  is  short 
(determine burner on time total minutes, divide burner on time 
total  minutes  by  cycle  count)  consider  raising  the  Differential 
setting to avoid short cycling and excessive component wear, 
see Operating Set Point and Differential Adjustment.
This historical data can also be used to assist facilities managers 
in forecasting planned replacement of equipment to help avoid 
lengthy and costly hot water supply interruptions.
• 
Use External Enable - Enable/ Disable external control 
function.
• 
External Enable Status - Status of external enable if Use 
External Enable is Yes.
• 
Ignition Trials - The maximum number of ignition trials before 
lockout.
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