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ALARM OUTPUT SETUP MENU
Permits user to set the condition (from a list of options) for when
the CCB's integral alarm output relay will be energized. Alarm relay
connections (common, normally open, normally closed) are located
on the J3 terminal strip on the CCB. See "Wiring Diagrams" on
page 13. Alarm output relay contacts are capable of switching
1 amp maximum at 120 VAC.
The alarm relay operates in the background according to the
settings in this menu and is not capable of disabling water heater
operation. The alarm relay is used for external notification/
verification of various operational conditions such as fault
conditions and heating mode status. This relay can be used with
building EMS (Energy Management System) and other external
supervisory controls.
Output Function - Adjustable user setting. Available options for
the Alarm Output Function setting are:
Heating Mode: Used for heating mode on/off status
•
notification.
•
Enable / Disable Closed: Used for notification and/or
verification of the enable/disable circuits open/closed status.
There are two enable/disable circuits available for external
supervisory control(s) at the J7 socket on the CCB. See
"Wiring Diagrams" on page 13. The Enable/disable circuit(s)
status can be viewed in the Heater Status Menu.
•
Temp < Heater SP: Used for external notification when current
tank temperature drops below Operating Set Point.
•
Temp < Alarm SP: Used for external notification when current
tank temperature drops below programmable Alarm SP.
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Fault or Alert: Used for external notification whenever a Fault
or Alert condition is active.
•
Fault: Used for notification whenever a Fault condition is
active.
Disabled: Disables the Alarm Relay Output Function.
•
Alarm SP - Adjustable user setting (90°F to 190°F) the control
system uses for the "Temp < Alarm SP" function described above.
This setting has no effect with any other Alarm Output functions.
ALARM OUTPUT SETTINGS
Changing the user settings in this menu is done using the same
methods for changing the Operating Set Point.
Note: Adjustable user settings in the Alarm Output Setup
menu are unaffected by Restore Factory Defaults.
DISPLAY SETTINGS MENU
Permits user to set display options for viewing information on the
UIM's LCD screen.
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, 10, 30 or 60
seconds and Always On.
Contrast - Adjustable user setting to adjust the UIM's LCD screen
contrast between text and background.
Display Settings - Changing the user settings in this menu is done
using the same methods for changing the Operating Set Point.
Note: Adjustable user settings in the Display Settings menu
are unaffected by Restore Factory Defaults.
HEATER INFORMATION MENU
This menu displays non adjustable operational information.
Bottom of Menu
Elapsed Time - Total accumulated time the control system (water
heater) has been energized.
Total Heating Time - Total accumulated time the control system
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