A.O. Smith 101 Series User Manual

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OPERATING STATES
The current operational state of the water heater is displayed on the Home screen as the “Status.” The common operational states
are described in the table below.
Table 7. Operating States
STATE DESCRIPTION
Standby
The water heater is not in an active heating cycle. This usually indicates the temperature in the tank has reached the
Operating Set Point and the control system has terminated the heating cycle.
Heating The control system is in the Heating Mode. At least one bank of heating elements has been energized.
Alert
The control system has detected/declared an Alert Condition. The controls system will continue heating operation. How-
ever, a Qualied Service Agent should be contacted to check/service the water heater.
Fault
The control system has detected/declared a Fault Condition. The control system will discontinue heating operation and
“lock out.” Power to the water heater must be cycled o󰀨 and on to reset the control system. Note; cycling power will not
reset the control system until the condition that caused the fault has been corrected
Table 8. Control System Menus
MENUS DESCRIPTION
Temperatures
Most commonly accessed menu. Operating Set Point, Di󰀨erential settings, Tank Temperature and Tank Probe O󰀨set are
located in this menu.
Heater Status
Current Operating State/Mode (heating/standby etc) and status (open/closed - on/o󰀨 - yes/no) of monitored water heater
functions and components are displayed in this menu.
Economy Mode Setup
Seven day 24 hour time clock with temperature set back capability to reduce operating costs during unoccupied or
reduced demand periods.
Alarm Output Setup
The control system’s CCB (Central Control Board) features on board SPDT (single pole double throw) relay contacts for
building EMS (Energy Management System) notication of operational conditions such as Fault Conditions and heating
mode status. This menu features a list of user denable conditions for relay activation.
Display Settings
Temperature units (°F or °C), appearance (brightness contrast) and backlight delay user adjustable settings are located
in this menu.
Heater Information
Elapsed time of operation, total heating cycle time, heating cycle count, heating element bank(s) cycle count and heat-
ing bank on time along with UIM and CCB software revisions can be viewed in this menu.
Current Fault/Alert Displays any current Alert or Fault messages.
Fault History
Retains 9 event history of Fault/Alert messages with time stamp. The Fault History is useful when dealing with intermit-
tent operational problems or when the customer has reset the control system prior to a service agent’s arrival.
Fault Occurrence
Running total of all Fault and Alert Conditions that have occurred are displayed in this menu. Can help determine poten-
tial root cause(s) of related operational problems.
Restore Factory
Defaults
This control system feature allows the user to restore control system user settings to their factory default settings. Alarm
Output Setup and Display Settings menu items ARE NOT changed when factory defaults are restored.
Help Menu
Accessible by pressing the corresponding Operational Button from most menus and screen displays. This menu
provides access to instructions and explanations for user settings, Operating States, Status Icons, manufacturer’s web
address, technical support phone number and service agent contact information.
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