American Water Heater 120 series, Инструкция по эксплуатации

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RESTORE FACTORY DEFAULTS MENU
This control system menu allows the user to restore most of the control system’s user settings to their factory default settings. User
settings in the Alarm Output Setup and Display Settings menus are unaffected by executing Restore Factory Defaults.
Table 13. Restore Factory Defaults
ACTION DISPLAY
From the Main Menu use the Up/Down buttons to select (highlight in black)
the “Restore Factory Defaults” menu.
Press the Operational Button underneath “SELECT.” The Restore Factory
Defaults menu will be displayed.
From the Restore Factory Defaults menu press the Operational Button
underneath “YES.” The display will show text confirming the factory default
settings have been restored.
Press the Operational Button underneath “BACK” to exit the Restore Factory
Defaults menu.
GENERAL
Periodically the drain valve should be opened and the water
allowed to run until it flows clean. This will help to prevent sediment
buildup in the tank bottom.
Burn hazard.
Hot water discharge.
Keep clear of Temperature-
Pressure Relief Valve
discharge outlet.
Periodically check the temperature and pressure relief valve to
ensure that it is in operating condition. Lift the lever at the top of
the valve several times until the valve seats properly and operates
freely.
Water heater maintenance includes periodic tank flushing and
cleaning, and removal of lime scale from the heating element.
The heater tank is equipped with an anode rod to aid in corrosion
control and should be inspected periodically (see Anode Rod
Inspection).
MAINTENANCE