A.O. Smith 101 Series User Manual

30
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. Alarm output relay contacts are
capable of switching 1 amp maximum at 120 VAC. This can only be
set up by a Qualied Installer or Service Technician
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 notication/verication 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.
Table 15. Alarm Output Setup
ACTION DISPLAY
Adjustable user setting. Available options for the Alarm Output
Function setting are:
Heating Mode: Used for heating mode on/o󰀨 status notication.
Enable / Disable Closed: Used for notication and/or verication 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 (page 39). Enable/disable
circuit(s) status can be viewed in the Heater Status Menu.
Temp < Heater SP: Used for external notication when current tank
temperature drops below Operating Set Point.
Temp < Alarm SP: Used for external notication when current tank
temperature drops below programmable Alarm SP.
Fault or Alert: Used for external notication whenever a Fault or
Alert condition is active.
Fault: Used for notication whenever a Fault condition is active.
Disabled: Disables the Alarm Relay Output Function.
Alarm SP: Adjustable user setting from 90°F (32°C) to 190°F
(88°C) the control system uses for the “Temp < Alarm SP” function
described above. This setting has no e󰀨ect 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 una󰀨ected by Restore Factory Defaults.
Printed on 5/6/2022 7:17 AM CT

A.O. Smith 101 Series Specifications

General

Brand	A.O. Smith
Model	101 Series
Category	Water Heater
Language	English