State Water Heaters SSED 120, Instruction Manual

Page: 27 / 36

27
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 starting on page 12. 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. 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.
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.
service 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.
service note: Adjustable user settings in the Display Settings menu
are unaffected by Restore Factory Defaults.
Water heater InforMatIon Menu
This menu displays non adjustable operational information.
top of Menu