Display Settings |
|
|
| ||
| Description/Action |
| Display |
| |
Select Display Settings from the Main Menu and press the |
| Display Settings |
| ||
Operational Button under "SELECT" to enter this menu. This |
|
| |||
Temperature Units | °F | ||||
menu contains adjustable display options for viewing information | |||||
on the UIM’s LCD screen. Use the Up & Down Buttons to | Backlight Delay | 30s | |||
navigate the menu. | Contrast |
| 60% | ||
• | 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 UIM’s LCD backlight remains illuminated after |
|
|
| |
| a key has been pressed. Available settings are; Always Off, | CHANGE | BACK | HELP | |
| 10, 30 or 60 seconds and Always On. | ||||
•Contrast - Adjustable user setting to adjust the UIM’s 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 on page 45.
Heater Information
Description/Action | Display |
Select Heater Information from the Main Menu and press the | Heater Information | ||||
Operational Button under "SELECT" to enter this menu. This | |||||
Elapsed Time |
|
| |||
menu contains non adjustable operational information. | 10 day 0 hrs 0 mins | ||||
• Elapsed Time - Total accumulated time the control system | Burner On Time | ||||
| (water heater) has been energized. |
| 5 hrs 22 mins | ||
• Burner On Time - Total accumulated time the control |
|
| |||
| system has been in the heating operating state; burner run | Cycle Count |
| 00000035 | |
| time. | CCB Version |
| X.XX | |
• Cycle Count - Total accumulated count of heating cycles. | UIM Version |
| X.XX | ||
• | CCB Version - Software version for central control board. | CHANGE | BACK | HELP | |
• | 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 rasing the |
|
|
| |
| Differential setting to avoid short cycling and excessive |
|
|
| |
| component wear, see Operating Set Point And Differential |
|
|
| |
| Adjustment on page 45. |
|
|
| |
| 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. |
|
|
| |
47